Map of construction project districts

Under Construction

Towlston Road Bridge Replacement

Over Rocky Run in Fairfax County

Area Maps

Project Photos

Project at a Glance

Begin Date
June 25, 2014

Est Completion Date
Late August 2014

Cost
$1.4 million total

Contractor
Shirley Contracting

Locality
Fairfax

District
Northern Virginia

Contact
Chan Basnayake, P.E.
703-259-2947
Dinesh Singh, P.E.
703-259-2216

About the Project

Crews are rebuilding the bridge over Rocky Run in Great Falls while Fairfax County schools are on summer break. Crews closed the road to through traffic on June 25, 2014 and will open the new bridge in late August 2014.

Plans were underway to replace the original 1949 bridge when it was washed out by Tropical Storm Lee in September 2011. Under an emergency contract, crews built five steel pipe culverts as a temporary structure to re-open the road to traffic as soon as possible. The current crossing is sound but does not have the hydraulic capacity to handle high water during storms.

Under a research project sponsored by the Virginia Center for Transportation Innovation and Research and the Federal Highway Administration, this project will replace the bridge using new Geosynthetic Reinforced-Integrated Bridge System technology for Abutments. The project also includes:

  • An additional 2 feet of shoulder on either side
  • Aesthetic treatments on railings and abutments (see rendering)
  • Stream restoration to stabilize Rocky Run and guide the creek through the restored opening
  • Overhead and underground utility coordination

No right-of-way is required.

Estimated project cost
Preliminary engineering: $433,000
Construction: $1 million
Total: $1.4 million

Traffic Impacts

Summer-long detour – During the summer construction, through traffic is using the same detour (see map).

Rendering of new Towlston Road bridge (click image for larger view).

Rendering of new Towlston Road bridge

Resources

Pre-advertisement meeting presentation (October 9, 2013)

Public information meeting presentation, brochure and comment sheet (May 23, 2013)
Project presentation (March 4, 2013)

 

State Project: 0676-029-389,P101,R201,C501,B637 UPC: 76247

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Page last modified: July 9, 2014