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N.C. Department of Transportation
   The Construction of I40/I77 Interchange
                August 9, 2012
I-40/ I-77 Need for Project

Very Important Crossroad of North Carolina
Built and opened in Late 1960’s
Has outlived its service life
Current configuration does not meet todays design
guidelines, i.e. weave distances, size of radiuses
Original Traffic Projections were 5000vpd, today the
 traffic on both interstates is about 70,000vpd, this
is projected to be about 110,000vpd in 2035
I-40/I-77 Interchange
         Project to Be Built in Three Phases

A I-40/US 21 Interchange and work along I-40 with
    Ramps from I77 NB to I40 WB and ramp from I-40
     WB to collector Dist.

B The I-40/I77 Interchange Proper

C Peripheral ends of Interstates
I-40/I-77 Interchange
                        Time Lines

I-3819A Let to contract June 19 2012

I-3819B Let to contract March 2016

I-3819C Post Year

R/W is being secured for entire corridor at this time
I-40/I-77 Interchange
                    What is being Built
I-40
Widen to six lanes from NC 115 to Old Mocksville Rd with
collector distributors at 21 (EB and WB)
I-77
Widen to six lanes from South of Broad St. to Jane Sowers
Construct Multi Level Interchange of the two
            Interstates
I-40/I-77 Interchange

                      What is being Built
US 21
Reconstruct from just north of Glenway Dr. to BB&T south
of the interstate with a Double Diverging Interchange at I-40


Broad Steet
Widen from just past Lower Mall Entrance to just
past Cynthia Street
I-40/I-77 Interchange
New Bridge at Radio Rd.

New Bridge Davie Ave.

Broad Street Bridge will be reconstructed

Existing Interchange at Old US 64 will be closed

I-40/Old Mocksville Rd will be upgraded
I-40/I-77 Interchange
          How Much will it cost?


Construction of entire project will cost approx.



          $251,000,000.00
Final Configuration of
         Interchange
    I-40/I-77 Interchange


N
I-3819 A
          What is being Constructed
I-40 WB Collector Distributor
I-40 WB complete to final configuration (Minus one lane)
Reconstruct Radio Rd Bridge
New Bridge over US 21 and 4th Creek
DDI Interchange at I-40 and US 21
I 77 NB ramp to I 40 WB
I 40 WB to I 77 NB and to Collector Dist.
Reconnection to Gaither Rd.
Noise Walls and Retaining Walls
I-40 at Old Movie Theater




       N
I-40/I-77 Initial Interchange




N
I3819 A

                   Time Line and Cost

Construction to begin August 2012

Project Completion Date March 2017

Cost approximately $90 million

Bridges being built to accommodate future projects
I-3819A… US 21 DDI
                   What is DDI
1.DDI  is Double Diverging Interchange
2.Will require traffic to cross over onto opposite
side
3.Eliminated the need for conflicting left turn
movements…thus eliminating conflicts and
congestion
4.Will allow US 21 to flow freely
5.Median Island will prevent left turns out
The Construction of the I-40/I-77 Interchange August 9, 2012
US 21

Reconstruct US 21 to 4 lanes with a median island

Sidewalks will be constructed on both sides

Median Island from 4th Creek Bridge south thru DDI to the
 south end of construction, this will prevent left turns

Full access will be allowed at Carolina Ave. via a
 signal
Gaither Rd

The two way traffic on the existing interstate ramp will be
 closed off

Gaither will access US 21 via a new Rd from just beside
 the Furniture Store and will intersect US 21 at a Signal at
 Glenway Dr, between Chili’s and Wendy’s.
US 21 Gaither Rd Connection
Noise and Retaining Walls
Both Noise and Retaining Walls will be built:

Retaining Walls will be a combination of MSEs (Segmental
 Precast Units) and Soil Nails with a shotcreate facades.

Noise walls will be precast modules with concrete piles, the
 facade will be a simulated stone masonry pattern on both
 sides.
Noise Walls
Noise Wall Locations:
I-40 Westbound
  Begins directly across from Western Ave. Baptist Church

 (just west of Radio Rd Bridge) and runs to where
 Museum Rd. moves away from I-40

I-40 Eastbound
   Begins at east side of Radio Rd and continues
   down interstate and down ramp at US 21 to
Noise Walls
I-77 Southbound

 Begins just south of Davie Ave and runs southward and
 up ramp to Broad St.

 Begins again at the Creek just south of Broad St and runs
 southward to behind the Catholic Church
I-40/I-77 Interchange
NCDOT will do significant Public Relations
 as the project nears and during the life of
 the project

The project will have its own dedicated
 Website where up to date information
 will be posted
Contact Info
                Contractor
Zachary Construction Corp.
www.zachryconstructioncorp.com
12625 Wetmore Road, Suite 301
 San Antonio, Texas 78347
(210) 871-2700
Contact Info
                  NCDOT
John Cook, Resident Engineer
124 Prison Camp Road
Statesville, NC 28625
Email: jrcook@ncdot.gov
Phone: (704) 876-3543
Questions?
Feel Free to contact any
of the NCDOT Personnel
in attendance tonight.

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The Construction of the I-40/I-77 Interchange August 9, 2012

  • 1. N.C. Department of Transportation The Construction of I40/I77 Interchange August 9, 2012
  • 2. I-40/ I-77 Need for Project Very Important Crossroad of North Carolina Built and opened in Late 1960’s Has outlived its service life Current configuration does not meet todays design guidelines, i.e. weave distances, size of radiuses Original Traffic Projections were 5000vpd, today the traffic on both interstates is about 70,000vpd, this is projected to be about 110,000vpd in 2035
  • 3. I-40/I-77 Interchange Project to Be Built in Three Phases A I-40/US 21 Interchange and work along I-40 with Ramps from I77 NB to I40 WB and ramp from I-40 WB to collector Dist. B The I-40/I77 Interchange Proper C Peripheral ends of Interstates
  • 4. I-40/I-77 Interchange Time Lines I-3819A Let to contract June 19 2012 I-3819B Let to contract March 2016 I-3819C Post Year R/W is being secured for entire corridor at this time
  • 5. I-40/I-77 Interchange What is being Built I-40 Widen to six lanes from NC 115 to Old Mocksville Rd with collector distributors at 21 (EB and WB) I-77 Widen to six lanes from South of Broad St. to Jane Sowers Construct Multi Level Interchange of the two Interstates
  • 6. I-40/I-77 Interchange What is being Built US 21 Reconstruct from just north of Glenway Dr. to BB&T south of the interstate with a Double Diverging Interchange at I-40 Broad Steet Widen from just past Lower Mall Entrance to just past Cynthia Street
  • 7. I-40/I-77 Interchange New Bridge at Radio Rd. New Bridge Davie Ave. Broad Street Bridge will be reconstructed Existing Interchange at Old US 64 will be closed I-40/Old Mocksville Rd will be upgraded
  • 8. I-40/I-77 Interchange How Much will it cost? Construction of entire project will cost approx. $251,000,000.00
  • 9. Final Configuration of Interchange I-40/I-77 Interchange N
  • 10. I-3819 A What is being Constructed I-40 WB Collector Distributor I-40 WB complete to final configuration (Minus one lane) Reconstruct Radio Rd Bridge New Bridge over US 21 and 4th Creek DDI Interchange at I-40 and US 21 I 77 NB ramp to I 40 WB I 40 WB to I 77 NB and to Collector Dist. Reconnection to Gaither Rd. Noise Walls and Retaining Walls
  • 11. I-40 at Old Movie Theater N
  • 13. I3819 A Time Line and Cost Construction to begin August 2012 Project Completion Date March 2017 Cost approximately $90 million Bridges being built to accommodate future projects
  • 14. I-3819A… US 21 DDI What is DDI 1.DDI is Double Diverging Interchange 2.Will require traffic to cross over onto opposite side 3.Eliminated the need for conflicting left turn movements…thus eliminating conflicts and congestion 4.Will allow US 21 to flow freely 5.Median Island will prevent left turns out
  • 16. US 21 Reconstruct US 21 to 4 lanes with a median island Sidewalks will be constructed on both sides Median Island from 4th Creek Bridge south thru DDI to the south end of construction, this will prevent left turns Full access will be allowed at Carolina Ave. via a signal
  • 17. Gaither Rd The two way traffic on the existing interstate ramp will be closed off Gaither will access US 21 via a new Rd from just beside the Furniture Store and will intersect US 21 at a Signal at Glenway Dr, between Chili’s and Wendy’s.
  • 18. US 21 Gaither Rd Connection
  • 19. Noise and Retaining Walls Both Noise and Retaining Walls will be built: Retaining Walls will be a combination of MSEs (Segmental Precast Units) and Soil Nails with a shotcreate facades. Noise walls will be precast modules with concrete piles, the facade will be a simulated stone masonry pattern on both sides.
  • 20. Noise Walls Noise Wall Locations: I-40 Westbound Begins directly across from Western Ave. Baptist Church (just west of Radio Rd Bridge) and runs to where Museum Rd. moves away from I-40 I-40 Eastbound Begins at east side of Radio Rd and continues down interstate and down ramp at US 21 to
  • 21. Noise Walls I-77 Southbound Begins just south of Davie Ave and runs southward and up ramp to Broad St. Begins again at the Creek just south of Broad St and runs southward to behind the Catholic Church
  • 22. I-40/I-77 Interchange NCDOT will do significant Public Relations as the project nears and during the life of the project The project will have its own dedicated Website where up to date information will be posted
  • 23. Contact Info Contractor Zachary Construction Corp. www.zachryconstructioncorp.com 12625 Wetmore Road, Suite 301 San Antonio, Texas 78347 (210) 871-2700
  • 24. Contact Info NCDOT John Cook, Resident Engineer 124 Prison Camp Road Statesville, NC 28625 Email: jrcook@ncdot.gov Phone: (704) 876-3543
  • 25. Questions? Feel Free to contact any of the NCDOT Personnel in attendance tonight.