KING OF PRUSSIA PA – Westbound lanes of U.S. 422 west will be closed and detours established overnights at its Route 100 interchange, next Tuesday through Friday (Feb. 16-19, 2016) from 9 p.m. to 4 a.m., so construction crews can place 10 concrete beams for the new bridge being built over the Schuylkill River near Stowe.
During the operation, U.S. 422 west traffic will be detoured and directed onto Route 100 north. Drivers will follow Route 100 north to westbound High Street, and take High Street west to return to U.S. 422 west, the Pennsylvania Department of Transportation office in King of Prussia announced Thursday (Feb. 11). Motorists were advised to allow extra time for travel through the area.
PennDOT’s contractor, J.D. Eckman Inc. of Atglen PA, is currently replacing the westbound U.S. 422 bridge over the Schuylkill River between the Route 100 and Stowe interchanges as part of the $36.2 million bridge improvement project. One lane of eastbound and westbound traffic is traveling over the river on the U.S. 422 bridge that formerly carried eastbound drivers only.
The new U.S. 422 crossing is being built in three stages to keep one travel lane open in each direction during construction. The westbound U.S. 422 structure is being replaced first, then eastbound U.S. 422 bridge will be rebuilt second, and a center median between the two, third. Construction is scheduled to finish in September 2018.
The new U.S. 422 crossing will be 924 feet long and 95 feet wide. The new structures will carry two 12-foot travel lanes, a 10-foot outside shoulder and an eight-foot inside shoulder. The existing U.S. 422 crossing is 869 feet long and 72 feet wide.
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