Bridge over Parkway North to close

Written by Jon Schmitz on .

The Levi Bird Duff Bridge over the Parkway North in Ross will close for a $3 million rehabilitation project next Monday. That’s why you’re seeing road work signs along the parkway, but Allegheny County officials said they don’t expect the work to cause traffic restrictions on the expressway.


The 30-year-old bridge, which carries Cornell Avenue over the parkway, is scheduled to remain closed to vehicles through Nov. 1 but will stay open to pedestrians throughout the project.

The six-mile detour uses Center Avenue, Perry Highway, Highland Avenue, Gass Road, Union Avenue, North Starr Avenue, Lincoln Avenue, North Balph Avenue, Bellevue Avenue and Cornell Road.

Tree trimming and removal will resume at the Parkway West-Banksville Road interchange on Tuesday. Short-term lane and shoulder closures are possible on ramps from 9 a.m. to 2 p.m. weekdays through mid-March, but all ramps will stay open and parkway traffic will not be restricted.

Installation of protective shielding under the bridge that carries McKnight Road over Ingomar Road in McCandless will cause lane restrictions in both directions from 9 a.m. to 3 p.m. Tuesday and Wednesday. No restrictions will occur on McKnight Road.

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