A $3.4 million project to improve the Beulah Road bridge begins Friday, reducing the crossing over the Dulles Toll Road to a single lane for the next three months.
On Friday, crews will install two temporary traffic signals on either end of the bridge on Beulah Road, which will direct traffic until the project is completed.
Michael Gleasman, a Virginia Department of Transportation engineer, said the bridge is being widened to improve shoulder width and add pedestrian facilities.
The bridge, which opened in September 1963, has never seen such a major overhaul; crews did routine maintenance repair, like deck patching, overlay and replacing elastometric joints, in 1996, Gleasman said.
As it stands, the bridge has no pedestrian facilities. After construction, it will boast a 6-foot raised sidewalk on the west side of the bridge.
Both lanes will remain 11-feet wide, but the project will add more shoulder room, along with a pedestrian crossing and a new concrete deck, parapets, railings and fencing on the remaining portion of the bridge, Gleasman said.
The improvements should be complete by May 31.
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