Bridge Replacement Project to Close Route 341 near Upper Lawn

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Harrisburg, PA – PennDOT recently set work zone signs announcing that on Monday, March 23, crews will close the single-lane bridge that carries Route 341 over the Little Conewago Creek in South Londonderry Township, Lebanon County. Initially crews will implement the detour, place erosion and sediment control devices, install a stream diversion dike system, and prepare to demolish the existing structure in advance of building a new bridge.


The $761,678 contract to replace the bridge was awarded on January 16 to Deblin, Inc., of Mechanicsburg, Cumberland County, and includes roadway approach reconstruction, guiderail updates and replacement of the existing structure with a new two-lane bridge that will carry Route 341 over the Little Conewago Creek between Lawn Road and the intersection of Colebrook Road and Gingrich Road in the Village of Upper Lawn.


PennDOT advises travelers that starting March 23 this bridge will be closed to through traffic for up to 166 days. Until then, a detour which follows Bachmanville Road and Gingrich Road will be in place.


Work under this construction contract is scheduled to be completed by mid-September at which point the roadway will be reopened to traffic.

Route 341, known locally as Colebrook-Upper Lawn Road, averages 1,660 vehicles traveled daily. The existing two-span concrete encased steel I-beam bridge was built in 1925 and is considered structurally deficient.


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