The Levi Bird Duff Bridge in Ross Township, which carries Center Avenue over Interstate 279 to Cornell Road in Bellevue, will close to vehicular traffic during rehabilitation work, which is scheduled to start Monday and run through Nov. 1, according to the Allegheny County Department of Public Works.
The bridge will be open to pedestrians for the duration of the project. While work occurs to replace the sidewalk, a temporary pedestrian walkway will be in use on the bridge deck.
A six-mile vehicular detour will be in effect and will direct traffic in Ross Township to the intersection of Perry Highway and then to Highland Avenue, Gass Road, Union Avenue, North Starr Avenue, Lincoln Avenue, North Balph Avenue, Bellevue Avenue and Cornell Road. Traffic in Bellevue will use the detour in reverse.
Some Port Authority of Allegheny County bus routes will be affected, and the Port Authority will notify riders about changes.
The $3 million bridge-preservation project will rehabilitate the existing steel-girder bridge, which was built in 1983. Work includes rehabilitation of the concrete piers, hydro-demolition and replacement of the deck surface with latex concrete, steel and abutment repairs, new sidewalks and guide rails, installation of protective fencing and installation of new strip-seal dams.
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