PennDOT Starts 4-Year Project on Rt. 420 Bridges Over Darby Creek

A photo issued by PennDOT late last year of the southbound Route 420 bridge
Image via Daily Times
A photo issued by PennDOT late last year of the southbound Route 420 bridge.

PennDOT is starting work on a $35.8 million federally-funded project replacing the Route 420 bridges connecting Prospect Park and Tinicum Township, reports the Daily Times.

The southbound and northbound bridges have deteriorated and are listed in poor and fair condition.

The construction will last until the summer of 2027.

Two lanes will be maintained during construction northbound and one lane southbound.

Part of the work includes creating a pedestrian trail crossing under the structures next to the southern abutment.

An 8- to 10-foot shared-use trail will be built on the western side of Route 420 to the north of Darby Creek and will connect to the John Heinz National Wildlife Refuge.

Another shared-use path on both sides of Route 420 south of Darby Creek will connect to existing parking lots at the refuge.

Lighting will be replaced or upgraded.

Beginning Friday, May 19, the left southbound lane will close 24/7 between Fourth Avenue and Interstate 95 to allow the bridge reconstruction.  The single-lane closure will be in place until the new bridge opens.

Motorists will be prohibited access to southbound Route 420 from Lazaretto Road and access to north and southbound Rt. 420 from Lafayette Avenue at Second Avenue.

Read more about the Route 420 bridges in the Daily Times.

Learn about the Columbia Wrightsville bridge in Lancaster County, the world’s longest bridge in 1814.

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