Artba top 10 structurally deficient bridges by state

Data from the 2014 National Bridge Inventory, released in January 2015 by FHWA.
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2014
State
Rank
State County Year Built Daily Crossings Type of Bridge Location
1 Alabama Jefferson 1970 136,370 Urban Interstate I-65 over US-11, railroad and city streets
2 Alabama Mobile 1964 85,510 Urban Interstate I-10 WB & EB over Halls Mill Creek
3 Alabama Jefferson 1972 78,675 Urban Interstate I-59/20 over US-31, railroads and city streets
4 Alabama Mobile 1966 75,350 Urban Interstate I-10 WB & EB over the Southern Drain Canal
5 Alabama Baldwin 1969 52,690 Rural Interstate I-10 over D'Olive Stream
6 Alabama Mobile 1964 43,710 Rural Interstate I-10 over Warren Creek
7 Alabama Jefferson 1968 41,015 Urban Interstate I-59/20 over Arron Aronov Drive
8 Alabama Jefferson 1936 39,710 Urban other principal arterial US-78 over Village Creek & the Frisco Railroad
9 Alabama Houston 1958 34,500 Urban other principal arterial SR 210 over a stream
10 Alabama Mobile 1967 33,770 Urban Interstate I-65 over Hells Swamp Creek
1 Alaska Anchorage 1976 23,751 Urban other principal arterial Muldoon Road over Glenn Highway
2 Alaska Anchorage 1966 21,225 Urban other principal arterial Lake Otis Road over Campbell Creek
3 Alaska Fairbanks North Star 1963 17,904 Urban other principal arterial University Avenue over the Chena River
4 Alaska Ketchikan Gateway 1955 17,125 Urban minor arterial South Tongass Highway over the Water Street Viaduct
5 Alaska Ketchikan Gateway 1957 16,530 Urban minor arterial South Tongass Highway over Hoadley Creek
6 Alaska Fairbanks North Star 1953 11,343 Urban minor arterial Wendell Street over the Chena River (N Hall Street)
7 Alaska Ketchikan Gateway 1975 5,209 Urban minor arterial North Tongass Highway over Ward Creek
8 Alaska Anchorage 1967 4,852 Rural Interstate Seward Highway over Portage Creek No 2
9 Alaska Anchorage 1966 4,852 Rural Interstate Seward Highway over Portage Creek No 1
10 Alaska Anchorage 1966 4,778 Rural Interstate Seward Highway over Peterson Creek
1 Arizona Maricopa 1961 123,000 Urban Interstate I-17 over 19th Avenue
2 Arizona Maricopa 1962 113,000 Urban Interstate I-17 NB & SB over Central Avenue
3 Arizona Pima 1965 76,500 Urban Interstate I-10 EB over Ruthrauff Rd
4 Arizona Pima 1965 39,000 Urban Interstate I-10 WB over Ina Road
5 Arizona Pima 1965 38,500 Urban Interstate I-10 EB over Ajo Way
6 Arizona Pima 1965 38,500 Urban Interstate I-10 WB over Ajo Way
7 Arizona Pima 1966 37,000 Urban other principal arterial 22nd Street over the Southern Pacific Railroad; Aviation Highway
8 Arizona Pima 1965 37,000 Urban Interstate I-10 EB over Ina Road
9 Arizona Coconino 1934 36,000 Urban other principal arterial I-40 SB over Rio De Flag
10 Arizona Pima 1970 35,500 Rural Interstate I-19 NB & SB over Wash
1 Arkansas Pulaski 1961 116,000 Urban Interstate I-30 over the Union Pacific Railroad
2 Arkansas Pulaski 1977 54,500 Urban Interstate I-630 WB over Mississippi Avenue and Rushing Creek
3 Arkansas Pulaski 1977 54,500 Urban Interstate I-630 EB over Mississippi Avenue and Rushing Creek
4 Arkansas Pulaski 1972 45,000 Urban Interstate I-430 NB over Breckenridge Drive
5 Arkansas Pulaski 1972 45,000 Urban Interstate I-430 SB over Breckenridge Drive
6 Arkansas Garland 1977 35,200 Rural arterial US-270 over Bull Bayou
7 Arkansas Prairie 1958 30,000 Rural Interstate US-67 NB over Redmond Road and the Union Pacific Railroad
8 Arkansas Pulaski 1968 30,000 Urban freeway/expressway I-40 over the White River
9 Arkansas Saline 1958 27,000 Rural Interstate I-30 WB over the Saline River Relief
10 Arkansas Saline 1958 27,000 Rural Interstate I-30 EB over the Saline River Relief
Top 10 Most Traveled U.S. Structurally Deficient Bridges by State, 2014

2014
State
Rank
1 California Los Angeles 1959 296,000 Urban Interstate I-405 over Olympic Boulevard
2 California Los Angeles 1963 294,000 Urban Interstate I-405 over Sepulveda Boulevard
3 California Los Angeles 1960 294,000 Urban Interstate I-405 over McDonald Street
4 California Los Angeles 1956 289,000 Urban freeway/expressway I-110 over Exposition Boulevard
5 California Orange 1959 286,000 Urban Interstate I-5 over Aliso Creek
6 California Los Angeles 1957 283,000 Urban Interstate I-405 over Constitution Avenue
7 California Los Angeles 1961 283,000 Urban Interstate I-5 over E2-N5 and W2-S5 connecting ramps
8 California Los Angeles 1962 274,000 Urban Interstate I-405 over Sepulveda Boulevard
9 California Los Angeles 1960 273,760 Urban Interstate I-110 over Dominguez Channel
10 California Los Angeles 1960 273,760 Urban Interstate I-110 over SR 91
1 Colorado Denver 1964 183,000 Urban Interstate I-70 over Havana Street and the Union Pacific Railroad
2 Colorado Denver 1956 137,000 Urban freeway/expressway US-6 over the South Platte River
3 Colorado Denver 1956 137,000 Urban freeway/expressway US-6 over the BNSF Railroad
4 Colorado Denver 1958 131,000 Urban freeway/expressway US-6 over Bryant Street
5 Colorado Jefferson 1964 102,000 Urban freeway/expressway US-6 over Garrison Street
6 Colorado Jefferson 1972 101,000 Urban freeway/expressway US-6 over SH 121
7 Colorado Jefferson 1967 84,000 Urban Interstate I-70 over Harlan Street
8 Colorado Denver 1973 83,000 Urban freeway/expressway US-85 SB over the South Platte River
9 Colorado Denver 1964 65,000 Urban Interstate I-70 WB over the Union Pacific Railroad
10 Colorado Denver 1964 65,000 Urban Interstate I-70 EB over SH 35
1 Connecticut Fairfield 1999 161,100 Urban Interstate I-95 over Metro North Railroad and City Street S
2 Connecticut New Haven 1957 151,500 Urban Interstate West River Bridge
3 Connecticut Fairfield 1957 149,400 Urban Interstate Yankee Doodle Bridge
4 Connecticut New Haven 1958 136,100 Urban Interstate I-95 over the Wepawaug River
5 Connecticut Fairfield 1957 133,200 Urban Interstate I-95 over Route 33
6 Connecticut Fairfield 1958 131,300 Urban Interstate I-95 over US-1 SB
7 Connecticut Fairfield 1958 129,600 Urban Interstate I-95 over the Byram River and S Water Street
8 Connecticut New Haven 1964 127,400 Urban Interstate I-91 over N Front St and the Quinn River
9 Connecticut Fairfield 1958 126,400 Urban Interstate I-95 & I-95 ramps over the Metro North Railroad & local roads
10 Connecticut Fairfield 1958 112,500 Urban Interstate I-95 over the Housatonic River and Naugatuck Avenue
1 Delaware New Castle 1978 68,304 Urban other principal arterial SR 141 over the Christina River, Amtrak and SR 4
2 Delaware New Castle 1960 47,350 Urban Interstate I-295 SB over Abandoned Prison Road
3 Delaware New Castle 1960 47,350 Urban Interstate I-295 SB over Norfolk Southern Railroad - abandoned
4 Delaware New Castle 1958 46,057 Urban Interstate I-295 NB over the area of old ramp 6117
5 Delaware New Castle 1955 34,091 Urban other principal arterial Capitol Trail/SR 2 over White Clay Creek
6 Delaware New Castle 1978 31,205 Urban other principal arterial SR 4 to SR 141 S over Ayres Street
7 Delaware Sussex 1916 29,085 Rural arterial US-113/Dupont Boulevard over the Iron Branch
8 Delaware New Castle 1958 28,557 Urban other principal arterial Dupont Highway/US-13 over Baylor Boulevard
9 Delaware New Castle 1965 22,555 Urban minor arterial Foulk Rd/SR 261 over South Branch Naamans Creek
10 Delaware New Castle 1963 21,307 Urban other principal arterial Basin Rd/SR 141 SB over I-95, I-295 and 6099

2014
State
Rank
1 District of Columbia District of Columbia 1932 60,300 Urban local road Arlington Memorial Bridge
2 District of Columbia District of Columbia 1963 58,000 Urban freeway/expressway Anacostia Freeway over Park Road Connection
3 District of Columbia District of Columbia 1950 53,800 Urban freeway/expressway Frederick Douglass Memorial Bridge (also known as the South Capitol Street Bridge)
4 District of Columbia District of Columbia 1958 30,100 Urban other principal arterial 16th Street, NW over Military Road
5 District of Columbia District of Columbia 1934 13,383 Urban local road Rock Creek and Potomac Parkway over NPS Storage Area
6 District of Columbia District of Columbia 1956 8,600 Urban collector 44th Street, NE over the Watts Branch
7 District of Columbia District of Columbia 1964 7,000 Urban Interstate Ramp 1 of the Whitehurst Freeway over I-66 to the Whitehurst Freeway
8 District of Columbia District of Columbia 1955 5,000 Urban other principal arterial Ramp from Benning Road over Kenilworth Avenue SB
9 District of Columbia District of Columbia 1951 2,900 Urban minor arterial Division Avenue over the Watts Branch
10 District of Columbia District of Columbia 1963 2,250 Urban freeway/expressway Ramp 6 over the Park Road Connection
1 Florida Duval 1959 146,000 Urban Interstate Fuller Warren Bridge
2 Florida Miami-Dade 1968 104,000 Urban freeway/expressway SR 836 EB over NW 72nd Avenue (Dolphin Expy)
3 Florida Miami-Dade 1967 61,250 Urban freeway/expressway SR 836 WB over SR 826 (Palmetto Expressway)
4 Florida Escambia 1960 51,700 Urban other principal arterial Pensacola Bay Bridge
5 Florida Okaloosa 1964 50,256 Urban other principal arterial US-98 (SR 30) over ICWW & Brooks Street
6 Florida Duval 1972 48,500 Urban freeway/expressway SR 202 over the Mill Dam Branch
7 Florida Broward 1957 45,000 Urban minor arterial SR 838 over the Middle River
8 Florida Broward 1949 39,000 Urban other principal arterial SR 842 EB over the North Fork New River
9 Florida Miami-Dade 1967 31,152 Urban other principal arterial SR 826 to SR 836 over SR 836 WB
10 Florida Miami-Dade 1944 30,804 Urban other principal arterial Rickenbacker Causeway over Biscayne Bay/Bear Cut
1 Georgia Fulton 1966 137,730 Urban Interstate I-285 over South Utoy Creek
2 Georgia Cherokee 1976 105,710 Urban Interstate I-75 NB over Clark Creek
3 Georgia Cobb 1977 101,490 Urban Interstate I-75 NB over Clark Creek
4 Georgia Clayton 1959 78,270 Urban Interstate I-75 SB ramp to I-285 E over Mud Creek
5 Georgia Coweta 1969 62,330 Rural Interstate I-85 NB over Transco Gas Lines
6 Georgia Coweta 1969 62,330 Rural Interstate I-85 SB over Transco gas lines
7 Georgia Dooly 1960 41,740 Rural Interstate I-75 over Pennahatchee Creek
8 Georgia Newton 1964 40,200 Rural Interstate I-20 WB over the Alcovy River
9 Georgia Lowndes 1961 37,290 Rural Interstate I-75 over Bevel Creek
10 Georgia Bibb 1924 34,880 Urban other principal arterial US-41 SB and SR 49 over Rocky Creek
1 Hawaii Honolulu 1938 211,528 Urban Interstate Halona Street over the Kapalama Canal
2 Hawaii Honolulu 1949 80,780 Urban other principal arterial Nimitz Highway over the Kapalama Canal EB
3 Hawaii Honolulu 1952 74,765 Urban other principal arterial Nimitz Highway over the Slip Cover Honolulu Harbor
4 Hawaii Honolulu 1932 74,765 Urban other principal arterial Nimitz Highway over the Nuuanu Stream WB
5 Hawaii Honolulu 1934 65,342 Urban freeway/expressway Kalanianaole Hwy over the Niu Stream
6 Hawaii Honolulu 1963 37,533 Urban other principal arterial Farr Highway over the Ulehawa Stream
7 Hawaii Honolulu 1949 30,446 Urban other principal arterial Farr Highway over the MailiiliI Stream
8 Hawaii Honolulu 1967 30,446 Urban other principal arterial Farr Highway over the Maipalaoa Stream
9 Hawaii Kauai 1945 27,204 Rural Interstate Kuhio Highway over the Wailua River
10 Hawaii Honolulu 1963 26,472 Urban other principal arterial KahekilI Highway over the Ahuimanu Stream

2014
State
Rank
1 Idaho Ada 1965 39,000 Urban other principal arterial SH 69 (S Meridian Road) over I-84
2 Idaho Ada 1969 33,000 Urban other principal arterial US-20 (Sun Valley Highway) over I-84 EB & WB
3 Idaho Canyon 1966 30,500 Urban Interstate I 84 WBL over UPRR;EAST LATERAL CANAL
4 Idaho Ada 1956 25,000 Urban other principal arterial US 20 and I-84B over the Boise River
5 Idaho Bonneville 1957 23,000 Urban minor arterial SMA 7406/17th Street over Sand Creek
6 Idaho Nez Perce 1982 21,000 Urban minor arterial Southway Bridge
7 Idaho Ada 1969 18,500 Urban Interstate I-84 WB over the Union Pacific Railroad and the Gowen Spur
8 Idaho Ada 1969 18,500 Urban Interstate I-84 EB over the Union Pacific Railroad and the Gowen Spur
9 Idaho Kootenai 1936 14,000 Rural arterial SH 41 over the Burlington Northern Railroad
10 Idaho Bannock 1962 14,000 Urban Interstate I-15 SB over the I-86 WB Ramp
1 Illinois DuPage 1960 146,000 Urban Interstate I-55 over Lemont Road
2 Illinois DuPage 1970 131,400 Urban Interstate I-290 over Salt Creek
3 Illinois St. Clair 1963 114,100 Urban Interstate Poplar Street Bridge
4 Illinois Will 1955 102,100 Urban Interstate I-55 over Joliet Road
5 Illinois Cook 1933 96,800 Urban other principal arterial Lake Shore Drive over Wilson Avenue
6 Illinois Cook 1933 92,500 Urban other principal arterial Lake Shore Drive over Lawrence Avenue
7 Illinois Cook 1958 63,650 Urban Interstate I90 EB (NW Toll) over IL-62 (Oakton Street)
8 Illinois Cook 1958 63,650 Urban Interstate I90 WB (Nw Toll) over IL-62 (Oakton Street)
9 Illinois Cook 1965 61,700 Urban Interstate I-55 EB over the Martin Luther King Drive Ramp
10 Illinois Cook 1965 61,700 Urban Interstate I-55 WB over the Martin Luther King Drive Ramp
1 Indiana Marion 1974 186,289 Urban Interstate I-65 over the CSX Railroad and Ohio Street
2 Indiana Marion 1974 186,289 Urban Interstate I-65 over New York Street
3 Indiana Clark 1962 171,336 Urban Interstate I-65 over Court Avenue
4 Indiana Marion 1972 165,767 Urban Interstate I-65 over seven streets, Access Road and Monorail
5 Indiana Marion 1973 137,908 Urban Interstate I-70 over Meridian Street
6 Indiana Marion 1973 137,908 Urban Interstate I-70 ramp 8E-N over Madison Avenue
7 Indiana Clark 1952 88,299 Urban Interstate I-65 over SR 62X/10th Street
8 Indiana Johnson 1971 75,938 Rural Interstate I-65 over a drainage ditch
9 Indiana Lake 1980 72,167 Urban freeway/expressway Two ramps of SR 912 over Block Avenue
10 Indiana Lake 1963 71,204 Urban Interstate I-80 EB & WB over Burns Ditch and Deep River
1 Iowa Woodbury 1962 35,000 Urban Interstate I-29 over the Channel Floyd River
2 Iowa Woodbury 1959 35,000 Urban Interstate I-29 over the Floyd River
3 Iowa Scott 1940 31,800 Urban other principal arterial Centennial Bridge
4 Iowa Polk 1957 30,400 Urban Interstate I-35 NB over Railroad, E. P. True Parkway and Jordan Creek
5 Iowa Woodbury 1959 30,000 Urban Interstate I-29 over the Union Pacific Railroad and Wall Street
6 Iowa Polk 1957 22,650 Urban Interstate I-35 NB over Grand Avenue
7 Iowa Polk 1957 22,650 Urban Interstate I-35 SB over Grand Avenue
8 Iowa Polk 1942 21,900 Urban other principal arterial IA-415 over NW 66th Avenue
9 Iowa Polk 1959 20,050 Urban Interstate I-80 WB over US-65
10 Iowa Polk 1959 20,050 Urban Interstate I-80 EB over US-65

2014
State
Rank
1 Kansas Wyandotte 1964 51,000 Urban Interstate I-35 SB over Southwest Boulevard, Railroad and the I-35 SB Ramp
2 Kansas Wyandotte 1959 29,700 Urban freeway/expressway 18th Street Expressway Bridge
3 Kansas Wyandotte 1907 22,800 Urban Interstate I-70 EB over the Kansas River, three Railroads and five streets
4 Kansas Sedgwick 1960 22,050 Urban Interstate I-235 NB over the Little Arkansas River
5 Kansas Sedgwick 1960 22,050 Urban Interstate I-235 SB over the Little Arkansas River
6 Kansas Shawnee 1950 21,724 Urban other principal arterial SE 29th Street over Butcher Creek
7 Kansas Sumner 1955 15,000 Rural Interstate I-35 EB & WB over a drainage channel
8 Kansas Sedgwick 1970 14,850 Urban Interstate I-135 NB over Chisholm Creek
9 Kansas Sedgwick 1964 13,800 Urban other principal arterial 21st Street North over Center Drain Tributary
10 Kansas Saline 1934 13,300 Urban collector K-143 over the Mulberry Creek drainage
1 Kentucky Jefferson 1965 148,888 Urban Interstate I-64 Ramp over I-64 EB and Witherspoon Street
2 Kentucky Jefferson 1965 148,888 Urban Interstate I-64 Ramp over I-64 WB and River Road
3 Kentucky Jefferson 1965 148,888 Urban Interstate I-64 Ramp over I-64 EB Entrance Ramp to I-65 NB
4 Kentucky Jefferson 1965 148,888 Urban Interstate I-64 Ramp over I-64 WB, Ramp and River Road
5 Kentucky Jefferson 1963 148,888 Urban Interstate I-64 Ramp over I-64 EB and Witherspoon Street
6 Kentucky Jefferson 1964 139,968 Urban Interstate I-65 over I-64 EB & WB, ramps and River Road
7 Kentucky Jefferson 1957 125,421 Urban Interstate I-65 over Eastern Parkway
8 Kentucky Jefferson 1963 84,001 Urban Interstate I-65 over Floyd Street
9 Kentucky Jefferson 1963 84,001 Urban Interstate I-65 over Jackson Street
10 Kentucky Jefferson 1963 84,001 Urban Interstate I-65 over Brook Street and Muhammad Ali Boulevard
1 Louisiana Caddo 1965 134,300 Urban Interstate I-20 over St. Louis Southwestern Railroad
2 Louisiana Orleans 1960 84,720 Urban Interstate I-10 over city streets and railroad
3 Louisiana Calcasieu 1952 70,100 Urban Interstate Calcasieu River Bridge
4 Louisiana St. Martin 1970 63,700 Urban Interstate LA-354 over I-10
5 Louisiana Jefferson 1967 59,040 Urban Interstate I-10 EB over Veterans Memorial Highway
6 Louisiana Jefferson 1967 59,040 Urban Interstate I-10 WB over Veterans Memorial Highway
7 Louisiana Jefferson 1987 53,820 Urban freeway/expressway US-90B EB over the Harvey Canal, street and railroad
8 Louisiana Jefferson 1987 53,820 Urban freeway/expressway US-90B WB over the Harvey Canal, street and railroad
9 Louisiana Bossier 1966 53,400 Urban Interstate I-20 over the St. Louis Southwestern and Kansas City Southern Railroads and Westerfield
10 Louisiana Bossier 1966 53,400 Urban Interstate I-20 over US-71, the Kansas City Southern Railroad, and a SW ramp
1 Maine Cumberland 1956 27,415 Rural Interstate Piscataqua River Bridge
2 Maine Cumberland 1956 27,415 Rural Interstate I-95 over the Piscatiqua River STR#31
3 Maine Cumberland 1989 23,248 Urban other principal arterial Route 9/Route 22 over the Stroudwater River
4 Maine Cumberland 1956 22,850 Urban Interstate I-95 NB over the Stroudwater River
5 Maine Sagadahoc 1958 17,980 Urban freeway/expressway US-1 over the SMO Railroad and city streets
6 Maine Penobscot 1952 17,240 Urban minor arterial Stilwater Avenue over the S Chan Stillwater River
7 Maine Cumberland 1943 17,073 Urban collector Route 1 over the Presumpscot River
8 Maine Penobscot 1960 16,870 Urban other principal arterial Route 222 over I-95
9 Maine Lincoln 1931 16,461 Rural arterial US-1 over Montsweag Brook
10 Maine York 1933 16,381 Urban minor arterial US-1/Elm Street over the Saco River

2014
State
Rank
1 Maryland Baltimore 1957 192,702 Urban Interstate I-695 (Baltimore Beltway) inner loop over US-1, Amtrak and Leeds Avenue
2 Maryland Baltimore 1961 189,237 Urban Interstate I-695 (Baltimore Beltway) over Milford Mill Road
3 Maryland Howard 1970 187,920 Urban Interstate I-95/I-495 NB (Washington, DC Beltway) over MD-32 WB
4 Maryland Prince George's 1963 185,190 Urban Interstate I-95/I-495 (Washington, DC Beltway) outer loop over Suitland Parkway
5 Maryland Prince George's 1963 185,190 Urban Interstate I-95/I-495 (Washington, DC Beltway) inner loop over Suitland Parkway
6 Maryland Prince George's 1963 177,270 Urban Interstate I-95 inner loop over Suitland Road
7 Maryland Prince George's 1963 177,270 Urban Interstate I-95 outer loop over Suitland Road
8 Maryland Prince George's 1963 143,828 Urban Interstate I-95/495 over MD-414
9 Maryland Baltimore 1950 113,761 Urban Interstate I-83 NB over Padonia Road
10 Maryland Howard 1970 91,311 Urban freeway/expressway MD-32 EB over I-95 SB
1 Massachusetts Middlesex 1950 172,000 Urban freeway/expressway I-95/SR 128 over Railroad and MBTA/BMRR
2 Massachusetts Middlesex 1961 160,000 Urban Interstate I-95/SR 128 over the Charles River
3 Massachusetts Middlesex 1962 154,500 Urban minor arterial Grove Street over I-95/SR 128
4 Massachusetts Norfolk 1978 138,500 Urban freeway/expressway SR 3 NB over Highway Ramp C (Q Adams)
5 Massachusetts Norfolk 1978 138,200 Urban freeway/expressway SR 3 SB over Highway Ramp C (Q Adams)
6 Massachusetts Essex 1958 135,400 Urban Interstate I-93 NB over the Water Shawsheen River
7 Massachusetts Essex 1958 134,600 Urban Interstate I-93 SB over the Water Shawsheen River
8 Massachusetts Middlesex 1965 125,700 Urban Interstate I-90 over the CSX Railroad and MBTA
9 Massachusetts Suffolk 1964 125,000 Urban Interstate I-90 EB over a highway and Brooks Street
10 Massachusetts Suffolk 1964 125,000 Urban Interstate I-90 WB over a highway and Brooks Street
1 Michigan Wayne 1954 146,000 Urban minor arterial Second Ave over I-94
2 Michigan Wayne 1967 100,492 Urban Interstate I-75 over Fort Street
3 Michigan Wayne 1967 100,492 Urban Interstate I-75 over the Rouge River, Dearborn Street and Railroad
4 Michigan Genesee 1971 95,314 Urban Interstate I-69 over M-54 (Dort Highway)
5 Michigan Macomb 1994 87,420 Urban other principal arterial M-59 WB over M-53
6 Michigan Oakland 1963 78,894 Urban Interstate I-75 SB over 14 Mile Road
7 Michigan Oakland 1963 78,894 Urban Interstate I-75 NB over 13 Mile Road
8 Michigan Oakland 1963 78,894 Urban Interstate I-75 NB over 14 Mile Road
9 Michigan Oakland 1963 78,894 Urban Interstate I-75 SB over 13 Mile Road
10 Michigan Oakland 1964 65,985 Urban Interstate I-75 SB over M-150 (Rochester Road)
1 Minnesota Ramsey 1964 154,000 Urban Interstate I-35 E over Pennsylvania Avenue
2 Minnesota Ramsey 1963 149,000 Urban Interstate I-35 E over the BNSF Railroad
3 Minnesota Ramsey 1965 148,000 Urban Interstate I-35 E over Cayuga Street and the BNSF Railroad
4 Minnesota Ramsey 1938 85,000 Urban freeway/expressway SR 36 over Lexington Avenue (CR 51)
5 Minnesota St. Louis 1970 59,000 Urban Interstate I-35 over unstable material
6 Minnesota Hennepin 1967 48,500 Urban Interstate I-35W SB over SH 65 NB
7 Minnesota Hennepin 1965 42,000 Urban Interstate I-494 NB over the Canadian Pacific Railroad
8 Minnesota Hennepin 1965 42,000 Urban Interstate I-494 SB over the Canadian Pacific Railroad
9 Minnesota Hennepin 1939 36,000 Urban other principal arterial SH 7 over SH 100
10 Minnesota Ramsey 1961 28,500 Urban other principal arterial SH 5 (West 7 Street) over the Mississippi River and a city street

2014
State
Rank
1 Mississippi Jackson 1977 39,000 Rural Interstate I-10 over a stream
2 Mississippi Warren 1973 29,400 Urban Interstate Vicksburg Bridge
3 Mississippi Harrison 1975 18,000 Urban collector FAS 139 over the Biloxi River
4 Mississippi Harrison 1938 17,500 Urban other principal arterial US-9 over the Flat Branch
5 Mississippi Forrest 1950 16,500 Urban minor arterial East Hardy Street over the Leaf River
6 Mississippi Pearl River 1948 15,000 Urban other principal arterial US-11 over Hobolochitto Creek
7 Mississippi Tate 1959 14,000 Rural Interstate I-55 over SR 306
8 Mississippi Hinds 1950 14,000 Urban minor arterial Monument Street over Town Creek
9 Mississippi Coahoma 1936 11,000 Urban other principal arterial Second Street over the Sunflower River
10 Mississippi Hinds 1994 11,000 Urban collector Martin Luther King Jr. Drive over Tributary Town Creek
1 Missouri St. Louis 1964 200,596 Urban Interstate I-270 E over Conway Road
2 Missouri St. Louis 1968 120,770 Urban Interstate I-170 E over River Des Peres
3 Missouri Platte 1957 89,314 Urban Interstate I-29S over Route AA
4 Missouri St. Louis 1931 86,541 Urban Interstate I-270E over Watkins Creek
5 Missouri St. Louis 1958 75,994 Urban Interstate I-70W over the Missouri River and Main Street
6 Missouri Clay 1972 75,526 Urban Interstate I-435 S over the Missouri River
7 Missouri Clay 1967 75,150 Urban Interstate I-435 S over a drain ditch
8 Missouri St. Louis 1960 71,361 Urban Interstate I-270 E over Route N
9 Missouri St. Louis 1960 70,205 Urban Interstate I-270 W over Route N
10 Missouri Boone 1957 69,758 Urban Interstate I-70 E over Loop 70
1 Montana Missoula 1957 22,650 Urban other principal arterial Russell Street and other city streets over the Clark Fork River
2 Montana Missoula 1958 22,160 Urban other principal arterial US-12 over the Clark Fork River
3 Montana Gallatin 1966 18,410 Urban minor arterial city streets over I-90
4 Montana Missoula 1962 15,940 Urban minor arterial Higgins Avenue Bridge
5 Montana Flathead 1975 10,260 Rural arterial SR 40 over the Whitefish River
6 Montana Missoula 1963 10,230 Rural Interstate I-90 over Montana Rail Link
7 Montana Missoula 1963 10,230 Rural Interstate I-90 over Montana Rail Link
8 Montana Stillwater 1971 9,800 Rural Interstate I-90 over Keyser Creek
9 Montana Stillwater 1970 9,800 Rural Interstate I-90 over Hensley Creek and a country road
10 Montana Stillwater 1970 9,800 Rural Interstate I-90 over Hensley Creek and a country road
1 Nebraska Douglas 1970 42,568 Urban freeway/expressway US-75 over J Street
2 Nebraska Douglas 1938 37,540 Urban other principal arterial NE 85 over the BNSF Railroad and 073-047-W
3 Nebraska Douglas 1968 32,400 Urban other principal arterial Pacific Street over Big Papillion Creek
4 Nebraska Douglas 1962 24,205 Urban other principal arterial US-275/NE 92 over 72nd Street
5 Nebraska Douglas 1950 19,800 Urban minor arterial Q Street over 25th Street/Union Pacific Railroad
6 Nebraska Douglas 1971 15,433 Urban Interstate I-680 over Thomas Creek
7 Nebraska Sarpy 1941 13,470 Urban other principal arterial Fort Crook Road/FAU5145 over Betz Ditch
8 Nebraska Douglas 1971 11,470 Urban Interstate I-680 over US-75
9 Nebraska Madison 1933 10,325 Urban other principal arterial Norfolk Avenue/FAU6020 over a stream
10 Nebraska Dodge 1994 9,570 Urban minor arterial Bell Street over the Union Pacific Railroad

2014
State
Rank
1 Nevada Clark 1971 42,000 Urban other principal arterial Paradise Road over Tropicana Wash
2 Nevada Washoe 1905 20,570 Urban other principal arterial Virginia Street Bridge
3 Nevada Washoe 1921 13,000 Urban minor arterial Arlington Avenue North Bridge over the Truckee River
4 Nevada Washoe 1938 13,000 Urban minor arterial Arlington Avenue South Bridge over the Truckee River
5 Nevada Washoe 1966 13,000 Urban minor arterial Keystone Avenue over the Truckee River
6 Nevada Washoe 1937 11,000 Urban minor arterial SR 660/Sierra Street over the Truckee River
7 Nevada Elko 1974 7,900 Urban other principal arterial Idaho Street over Dry Wash
8 Nevada Pershing 1977 3,900 Rural Interstate I-80 over Fairview Ditch
9 Nevada Eureka 1964 3,450 Rural Interstate I-80W over the Union Pacific Railroad
10 Nevada Eureka 1964 3,450 Rural Interstate I-80 over the Southern Pacific Railroad
1 New Hampshire Hillsborough 1957 73,000 Urban Interstate I-293 over Spur D
2 New Hampshire Hillsborough 1957 73,000 Urban Interstate I-293 over the South Branch Piscataquog River
3 New Hampshire Hillsborough 1957 73,000 Urban Interstate I-293 over the North Branch Piscataquog River
4 New Hampshire Hillsborough 1956 73,000 Urban Interstate I-293 Ramp over I-293
5 New Hampshire Merrimack 1958 41,410 Urban Interstate I-393/US-4/US-202 over I-93
6 New Hampshire Rockingham 1961 40,500 Rural Interstate I-93 SB (temporary) over Pelham Road
7 New Hampshire Rockingham 1961 40,500 Rural Interstate I-93 NB over Pelham Road
8 New Hampshire Rockingham 1940 37,000 Urban freeway/expressway US-1 bypass over Hodgson Brook
9 New Hampshire Hillsborough 1957 36,500 Urban Interstate I-293 fee turnpike spur over the South Branch Piscataquog River
10 New Hampshire Merrimack 1957 35,023 Urban Interstate I-93 fee turnpike NB over I-89 and the Turkey River
1 New Jersey Union 1953 193,870 Urban freeway/expressway Garden State Parkway NB & SB over Mill Road
2 New Jersey Essex 1954 177,072 Urban freeway/expressway Garden State Parkway over the Third River
3 New Jersey Passaic 1947 161,900 Urban freeway/expressway NJ Route 3 over Route 21 Ramp and Route 3 Ramp
4 New Jersey Passaic 1948 153,270 Urban freeway/expressway NJ Route 3 over NJ TRANSIT and Service Road
5 New Jersey Bergen 1931 153,000 Urban freeway/expressway NJ-4 over the Hackensack River and Road
6 New Jersey Passaic 1949 150,450 Urban freeway/expressway NJ Route 3 over the Passaic River and NJ-21
7 New Jersey Hudson 1939 148,163 Urban freeway/expressway NJ-495 over US-1, US-9 and Paterson Plank Road
8 New Jersey Passaic 1939 136,000 Urban other principal arterial US-46 over Lower Notch Road
9 New Jersey Hudson 1952 123,868 Urban Interstate New Jersey Turnpike over the Hackensack River and Erie River
10 New Jersey Bergen 1931 122,720 Urban other principal arterial NJ Route 17 over Central Avenue
1 New Mexico Valencia 1974 22,577 Urban minor arterial Main Street Bridge
2 New Mexico Bernalillo 1963 21,425 Urban Interstate I-25 SB over NM-500/Rio Bravo
3 New Mexico Santa Fe 1969 20,835 Urban other principal arterial FL-4777 over the Santa Fe River
4 New Mexico Dona Ana 1968 18,412 Urban Interstate I-25 SB over Missouri Avenue
5 New Mexico Dona Ana 1968 18,091 Urban Interstate I-25 NB over Missouri Avenue
6 New Mexico Otero 1933 15,750 Urban other principal arterial US-54/70 over an unnamed waterway
7 New Mexico Bernalillo 1969 15,503 Urban other principal arterial FL-4048 over North Diversion Channel
8 New Mexico Santa Fe 1958 14,018 Rural Interstate I-25 NB/SB over NM-300 Canoncito Exit
9 New Mexico Grant 1972 13,765 Urban other principal arterial NM-90 over San Vicente Arroyo/Road
10 New Mexico Grant 1961 13,765 Urban other principal arterial NM-90 over Pinos Altos Creek

2014
State
Rank
1 New York Richmond 1961 182,676 Urban Interstate I-278 over relief
2 New York Kings 1939 166,580 Urban freeway/expressway Route 907C over Gerritsen Inlet
3 New York Kings 1962 161,800 Urban Interstate I-278 over 6th Avenue and Gowanus Canal
4 New York Kings 1941 160,107 Urban freeway/expressway Route 907C over Mill Basin
5 New York Queens 1963 150,100 Urban Interstate I-495 over Route 907M, Route 907 and Route 9
6 New York Bronx 1932 147,078 Urban Interstate Route I-87 over an abandoned subway
7 New York New York 1985 139,400 Urban freeway/expressway FDR Drive NB over East River Shore
8 New York Kings 1942 138,983 Urban freeway/expressway Route 907C over Bedford Avenue
9 New York Kings 1942 138,983 Urban freeway/expressway Route 907C over Sheepshead Bay Road
10 New York Kings 1942 138,983 Urban freeway/expressway Route 907C over Nostrand Avenue
1 North Carolina Guilford 1955 123,000 Urban Interstate Greensboro Bridge
2 North Carolina Forsyth 1963 81,000 Urban freeway/expressway US-52 and US-311 over US-311
3 North Carolina Forsyth 1964 72,000 Urban freeway/expressway US-52 over 28th Street
4 North Carolina Forsyth 1964 72,000 Urban freeway/expressway US-52 over 25th Street
5 North Carolina Mecklenburg 1967 72,000 Urban Interstate I-277 and NC-1 over Brevard Street
6 North Carolina Forsyth 1955 72,000 Urban freeway/expressway I-40 BUS over SR 4315 (Liberty Street)
7 North Carolina Forsyth 1960 71,000 Urban freeway/expressway US-421 over Little Creek
8 North Carolina Forsyth 1971 59,000 Urban freeway/expressway US-52/US-311/NC-8 over Diggs Boulevard
9 North Carolina Forsyth 1971 56,000 Urban freeway/expressway US-52/US-311/NC-8 over I-40 and US-311
10 North Carolina Buncombe 1970 55,000 Urban freeway/expressway US-19 23 70 over NC-251
1 North Dakota Cass 1938 13,780 Urban other principal arterial US-10 over the Sheyenne River
2 North Dakota Ward 1940 9,200 Urban minor arterial 4th Avenue N.W. over the Mouse (Souris) River
3 North Dakota Grand Forks 1928 5,400 Rural arterial US-2 over Saltwater Coulee
4 North Dakota Williams 1970 5,000 Rural minor arterial ND-1804 over Beaver Creek
5 North Dakota Cass 1960 4,750 Urban other principal arterial US-10 over I-94
6 North Dakota Stutsman 1958 4,100 Urban Interstate I-94 over the Burlington Northern Railroad and the SE Jamestown Interchange
7 North Dakota Burleigh 1965 3,850 Rural Interstate I-94 over Apple Creek
8 North Dakota Grand Forks 1971 2,750 Rural Interstate I-29 over the Turtle River
9 North Dakota Cass 1960 2,650 Rural minor arterial ND-18 over I-94 (Casselton Interchange)
10 North Dakota Richland 1973 2,275 Rural Interstate I-29 over the Wild Rice River
1 Ohio Licking 1940 300,087 Urban minor arterial N Buena Vista Street over Cemetary Run
2 Ohio Hamilton 1961 180,350 Urban Interstate I-75N Hopple Street Ramp over ML 75 and Ramps for Hopple Street
3 Ohio Cuyahoga 1968 144,240 Urban Interstate I-71 over I-490, Ramp and I-90
4 Ohio Franklin 1973 139,740 Urban Interstate I-70 over Fisher Road
5 Ohio Montgomery 1969 122,680 Urban Interstate Ramp from US-35 EB to I-75 NB over US-35 Ramp, I-75 E and N UN Ramps
6 Ohio Summit 1961 112,688 Urban Interstate I-76 over Brown Street
7 Ohio Cuyahoga 1953 98,104 Urban Interstate I-77 over Abandoned Industrial Drive
8 Ohio Cuyahoga 1976 81,910 Urban Interstate I-77 over the Cuy River, SR 17 and Canal Road
9 Ohio Hamilton 1931 70,604 Urban other principal arterial Western Hills Viad over Western Hills Viaduct
10 Ohio Hamilton 2000 58,035 Urban Interstate IR 75 (closed) over Central Avenue (closed)

2014
State
Rank
1 Oklahoma Oklahoma 1960 87,300 Urban Interstate I-40 over Crooked Oak Creek
2 Oklahoma Oklahoma 1973 77,000 Urban Interstate I-44 E-S Ramp over S.H. 66 and S.H. 3
3 Oklahoma Tulsa 1967 70,600 Urban Interstate I-244 over 73rd E Avenue
4 Oklahoma Tulsa 1967 70,600 Urban Interstate I-244 over Admiral Place
5 Oklahoma Oklahoma 1972 64,500 Urban Interstate I-240 over Crooked Creek Trib.
6 Oklahoma Oklahoma 1967 56,150 Urban Interstate I-40 WB over I-44
7 Oklahoma Oklahoma 1974 55,650 Urban Interstate I-44 NB over Independence Avenue
8 Oklahoma Oklahoma 1938 48,400 Urban other principal arterial SH 3 over Bluff Creek
9 Oklahoma Tulsa 1971 47,200 Urban Interstate I-444 over Houston Avenue
10 Oklahoma Tulsa 1965 47,100 Urban freeway/expressway US-64/SH 51 over Sheridan Road
1 Oregon Multnomah 1959 123,200 Urban Interstate I-5 (Highway 001) over Jantzen Pedestrian Tunnel
2 Oregon Multnomah 1959 118,000 Urban minor arterial Multnomah Boulevard over I-5
3 Oregon Lane 1967 59,600 Urban Interstate I-105 (Highway 227) over Future Highway 62
4 Oregon Lane 1967 59,600 Urban Interstate 1-105 (Highway 227) over the Willamette River
5 Oregon Multnomah 1916 47,000 Urban other principal arterial OR-99E (Highway 001E) over the Union Pacific Railroad
6 Oregon Lane 1961 44,307 Urban freeway/expressway Highway 69 WB over the Willamette River and River Avenue
7 Oregon Marion 1953 42,400 Urban freeway/expressway OR-22/Highway 30 WB over the Willamette River
8 Oregon Lane 1967 40,854 Urban freeway/expressway Highway 69 EB over the Willamette River and River Avenue
9 Oregon Multnomah 1925 33,495 Urban minor arterial Tacoma Street over the Willamette River
10 Oregon Josephine 1960 31,300 Urban Interstate I-5/Highway 1 over Hillcrest Drive
1 Pennsylvania Allegheny 1955 139,636 Urban Interstate Parkway East over the Squirrel Hill Tunnel Vult.
2 Pennsylvania Montgomery 1954 97,693 Urban Interstate PA Turnpike (I-276) over SR 2017, DB-146 and DB-146 W
3 Pennsylvania Philadelphia 1965 86,781 Urban Interstate Delaware Expressway over Wheatsheaf Lane
4 Pennsylvania Philadelphia 1965 86,781 Urban Interstate Delaware Expressway over Venango Street
5 Pennsylvania Philadelphia 1968 86,781 Urban Interstate I-95 over earth fill and sewer access
6 Pennsylvania Philadelphia 1967 77,040 Urban Interstate I-95 over Comly Street
7 Pennsylvania Philadelphia 1966 77,040 Urban Interstate I-95 over Unruh Avenue
8 Pennsylvania Philadelphia 1967 77,040 Urban Interstate I-95 over Fraley Street
9 Pennsylvania Philadelphia 1966 77,040 Urban Interstate I-95 ramp over New State Road and a railroad
10 Pennsylvania Philadelphia 1966 77,040 Urban Interstate I-95 over Ramp C
1 Rhode Island Providence 1965 186,500 Urban Interstate I-95 NB & SB over US-1 (Elmwood Avenue)
2 Rhode Island Providence 1964 179,600 Urban other principal arterial Broad Street over I-95 NB & SB and the P&W Railroad
3 Rhode Island Providence 1964 159,200 Urban Interstate I-95 NB & SB over Amtrak
4 Rhode Island Kent 1966 156,400 Urban Interstate I-95 NB & SB over Jefferson Boulevard
5 Rhode Island Providence 1964 147,934 Urban Interstate I-95 NB & SB over Wellington Avenue
6 Rhode Island Kent 1958 77,800 Urban Interstate I-95 NB & SB over RI-2/Quaker Lane
7 Rhode Island Providence 1969 76,700 Urban Interstate I-195 WB over the Seekonk River
8 Rhode Island Providence 1957 72,800 Urban freeway/expressway RI-146/Ed Dowl Highway over RI-15/Mineral Spring Avenue
9 Rhode Island Providence 1956 72,800 Urban freeway/expressway RI-146/Ed Dowl Highway over RI-246/Charles Street
10 Rhode Island Providence 1969 52,678 Urban minor arterial US-6 EB & WB over US-6A/Hartford Avenue

2014
State
Rank
1 South Carolina Greenville 1960 93,100 Urban Interstate I-85 over Trib. Laurel Creek
2 South Carolina Lexington 1958 79,900 Urban Interstate I-26 over Southern Railway (No. 1)
3 South Carolina Richland 1958 78,200 Urban Interstate I-26 over CN and L Railroads
4 South Carolina Lexington 1959 75,300 Urban Interstate I-26 over SC-302
5 South Carolina Lexington 1959 74,800 Urban Interstate I-26 over US-1
6 South Carolina Richland 1961 46,300 Urban Interstate I-126 over the Seaboard Coast Line Railroad
7 South Carolina Richland 1977 42,400 Urban freeway/expressway SC-277 over I-77
8 South Carolina Spartanburg 1953 33,700 Urban freeway/expressway SC-85 over the Southern Railroad and S-42-995
9 South Carolina Spartanburg 1953 32,000 Urban freeway/expressway SC-85 over S-2
10 South Carolina Greenville 1939 31,900 Urban other principal arterial US-29 over the Enoree River
1 South Dakota Lincoln 1958 24,285 Urban Interstate I-29N over I-229 S and I-29 S off ramp
2 South Dakota Lincoln 1958 24,285 Urban Interstate I-29S over I-229 S & I-29 S off ramp
3 South Dakota Minnehaha 1965 22,694 Urban other principal arterial West 12th Street over Ellis and Eastern Railroad
4 South Dakota Minnehaha 1979 18,174 Urban collector 49th Street over the Big Sioux River
5 South Dakota Minnehaha 1973 13,400 Urban minor arterial Cliff Avenue over the Big Sioux River
6 South Dakota Minnehaha 1912 10,163 Urban collector 8th Street over the Big Sioux River
7 South Dakota Lawrence 1967 10,150 Rural arterial US-14A/Pine Street over Whitewood Creek
8 South Dakota Lawrence 1971 10,000 Urban minor arterial US-14A over I-90
9 South Dakota Meade 1957 8,280 Rural Interstate I-90 W over Chimney Canyon Road
10 South Dakota Minnehaha 1975 7,850 Urban collector Sixth Street over the Big Sioux River
1 Tennessee Shelby 1963 148,110 Urban Interstate I-240 EB over the BNSF Railroad
2 Tennessee Davidson 1961 129,340 Urban Interstate I-24 over the CSX Railroad and Oldham Street
3 Tennessee Davidson 1961 111,470 Urban Interstate I-24 over Spring Street
4 Tennessee Davidson 1968 104,800 Urban Interstate I-40 over Jo Johnson Street
5 Tennessee Shelby 1963 99,000 Urban Interstate I-240 EB over Kerr Avenue
6 Tennessee Shelby 1963 99,000 Urban Interstate I-240 WB over I-240 WB/Kerr Avenue
7 Tennessee Davidson 1985 97,100 Urban Interstate I-440 over L4-SN167-RL/L3-SN164&165
8 Tennessee Davidson 1962 91,240 Urban Interstate I-40 over I-40/Westboro Road
9 Tennessee Davidson 1967 90,800 Urban Interstate I-65 over the Cumberland River and Cowan Street
10 Tennessee Davidson 1963 82,530 Urban Interstate I-65 over the CSX Railroad
1 Texas Harris 1961 124,280 Urban Interstate I-45 NB over White Oak Bayou
2 Texas Dallas 1943 88,900 Urban Interstate I-35E SB over Hutton Branch
3 Texas Harris 1964 78,320 Urban Interstate I-610S EB over Holmes Road, Union Pacific Railroad and Theresa
4 Texas Harris 1964 78,320 Urban Interstate I-610S WB over Holmes Road, Union Pacific Railroad and Theresa
5 Texas Denton 1960 75,357 Urban local road S Denton Drive over I-35E
6 Texas Orange 1952 73,490 Urban Interstate I-10 over the Neches River
7 Texas Tarrant 1961 70,850 Urban Interstate I-35W NB over Nixon Street
8 Texas Tarrant 1966 57,220 Urban Interstate I-35W SB over the Union Pacific Railroad/Fort Worth & Western Railroad/DART and 36th Street
9 Texas Potter 1964 48,050 Urban Interstate I-40 EB over Arthur Street
10 Texas Dallas 1964 45,310 Urban freeway/expressway SH 114 EB over Hackberry Creek

2014
State
Rank
1 Utah Davis 1959 69,360 Urban Interstate I-15 (SR 15) NB over SR 93 (W 2600 South Street)
2 Utah Davis 1959 66,853 Urban Interstate I-15 (SR 15) NB over SR 68 (W 500 South Street)
3 Utah Davis 1959 66,853 Urban Interstate I-15 (SR 15) SB over SR 68 (W 500 South Street)
4 Utah Salt Lake 1950 22,982 Urban local road 6400 South Street over Jordan and Salt Lake Canal
5 Utah Weber 1973 20,428 Urban minor arterial SR 26 over the Union Pacific Railroad
6 Utah Salt Lake 1967 18,995 Urban other principal arterial SR 186 SB over I-215 (SR 215) EB & WB
7 Utah Salt Lake 1966 18,995 Urban other principal arterial SR 186/Foothill Drive over Parley S Way WB Ramp
8 Utah Salt Lake 1961 18,430 Urban minor arterial US-89 NB Ramp to I-15 NB over I-15 NB ramp to US-89 NB
9 Utah Utah 1970 18,143 Urban other principal arterial SR 265 EB over the Provo River and walkway
10 Utah Utah 1970 18,143 Urban other principal arterial SR 265 WB over the Provo River
1 Vermont Washington 1928 15,500 Urban other principal arterial US-302 over Stevens Branch
2 Vermont Chittenden 1964 13,800 Urban other principal arterial US-2 over I-89
3 Vermont Chittenden 1964 13,350 Urban Interstate I-89 over Malletts Creek
4 Vermont Windham 1960 12,850 Urban Interstate I-91 over VT-30 and the West River
5 Vermont Windham 1960 12,850 Urban Interstate I-91 over VT-30 and the West River
6 Vermont Windsor 1966 12,800 Rural Interstate I-91 over US-5
7 Vermont Addison 1920 12,200 Urban minor arterial VT-30 over the Vermont Railway
8 Vermont Bennington 1938 11,600 Urban minor arterial Hunt Street over Roaring Branch Walloomsac Brook
9 Vermont Addison 1920 7,300 Urban collector Merchants Row over the Vermont Railway
10 Vermont Windham 1926 6,500 Rural minor arterial VT-100 over the North Branch Deerfield River
1 Virginia Virginia Beach 1967 133,892 Urban Interstate I-264 over Route 414/Lynnhaven Parkway
2 Virginia Virginia Beach 1967 105,572 Urban Interstate I-264 over London Bridge Road
3 Virginia Chesterfield 1958 96,759 Urban Interstate I-95 over Route 608 (Reymet Road)
4 Virginia Arlington 1965 95,402 Urban Interstate Custis Memorial Highway over Ramps B and F
5 Virginia Richmond 1977 94,483 Urban Interstate I-95 Ramps B & D over I-95
6 Virginia Richmond 1958 91,074 Urban Interstate I-95 over Deepwtr Terminal Service Road
7 Virginia Alexandria 1973 88,025 Urban Interstate Route 395 NB over ramp forFour Mile Run
8 Virginia Richmond 1975 85,749 Urban Interstate Route 195 over Hamilton Street
9 Virginia Norfolk 1967 74,756 Urban Interstate I-64 EB over US-13/Route 166/Northampton Boulevard
10 Virginia Richmond 1967 71,500 Urban Interstate Route 64 WB over Route I-195 NB and Ramp B
1 Washington King 1963 60,221 Urban freeway/expressway Evergreen Point Floating Bridge
2 Washington King 1959 57,671 Urban other principal arterial W Emerson Street over 15th Avenue W
3 Washington King 1989 57,428 Urban Interstate Homer M. Hadley Memorial Bridge
4 Washington King 1940 57,428 Urban Interstate Lacey V. Murrow Memorial Bridge
5 Washington King 1970 37,549 Urban other principal arterial SR 900 over I-90
6 Washington King 1966 35,000 Urban other principal arterial S 212th Street over the Green River
7 Washington Spokane 1963 34,707 Urban Interstate I-90 over Hangman Creek
8 Washington Spokane 1963 34,707 Urban Interstate I-90 over Hangman Creek
9 Washington King 1945 34,500 Urban other principal arterial S Boeing Access Road over the Burlington Northern Railroad
10 Washington King 1952 34,500 Urban other principal arterial S Boeing Access Road over the Airport Way Bar Ramp

2014
State
Rank
1 West Virginia Kanawha 1974 53,000 Urban Interstate I-77 NB & SB over Westmoreland Road
2 West Virginia Kanawha 1972 26,000 Urban Interstate I-77 NB over CR 119/37
3 West Virginia Ohio 1966 25,500 Urban Interstate I-70 WB over Wheeling Creek and city street
4 West Virginia Ohio 1965 25,500 Urban Interstate I-70 WB over Wheeling Creek
5 West Virginia Ohio 1966 25,500 Urban Interstate I-70 EB over Wheeling Creek and city street
6 West Virginia Ohio 1965 25,250 Urban Interstate I-70 EB over Big Wheeling Creek
7 West Virginia Ohio 1958 24,500 Urban Interstate I-70 EB over Mt. Dechantal Road
8 West Virginia Ohio 1958 24,500 Urban Interstate I-70 WB over Mt. Dechantal Road
9 West Virginia Ohio 1970 24,250 Urban Interstate I-70 over Middle Wheeling Creek, US-40 and a city street
10 West Virginia Marshall 1943 23,300 Urban other principal arterial WV-2 over Little Grave Creek
1 Wisconsin Washington 1952 71,200 Urban freeway/expressway US-41/US-45 over the Menomonee River
2 Wisconsin St. Croix 1972 61,790 Urban Interstate I-94/US-12/State Highway 3 over State Highway 35 SB
3 Wisconsin Racine 1959 32,270 Rural Interstate I-94 WB/US-41 NB over State Highway 20
4 Wisconsin Dane 1960 28,500 Rural Interstate I-90 WB/I-94 WB over Cuba Valley Road
5 Wisconsin Dane 1960 27,800 Rural Interstate I-90 EB/I-94 EB over Cuba Valley Road
6 Wisconsin Milwaukee 1963 26,950 Urban other principal arterial Route 241 S/27th Street over the Kinnickinnic River
7 Wisconsin Columbia 1961 26,100 Rural Interstate I-39/I-90/I-94 NB over S 60
8 Wisconsin Dane 1961 23,900 Rural Interstate I-90 WB over E Church Road
9 Wisconsin Rock 1961 23,800 Rural Interstate I-90 EB over N Newville Road
10 Wisconsin Rock 1961 23,600 Rural Interstate I-90 EB over the Chicago, Milwaukee, St. Paul and Pacific Railroad
1 Wyoming Teton 1969 30,774 Rural arterial US-26 over Flat Creek
2 Wyoming Campbell 1975 20,335 Urban other principal arterial WY-59 over Donkey Creek
3 Wyoming Sheridan 1980 20,102 Urban other principal arterial US-14 over Little Goose Creek
4 Wyoming Sweetwater 1991 18,087 Urban other principal arterial US-30 over Bitter Creek
5 Wyoming Laramie 1977 17,610 Urban other principal arterial WY-212 over Union Pacific and BN Railroads
6 Wyoming Fremont 1978 16,838 Urban other principal arterial US-287 over the Middle Popo Agie River
7 Wyoming Sweetwater 1977 16,581 Urban minor arterial WY-376 over Bitter Creek
8 Wyoming Sweetwater 1977 16,581 Urban minor arterial WY-376 over the Union Pacific Railroad overpass
9 Wyoming Sweetwater 1981 15,073 Urban other principal arterial US-30 over Bitter Creek
10 Wyoming Natrona 1977 13,092 Urban other principal arterial US-20 over Casper Creek

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