Union County Kelly & Buffalo Townships, PA

Bridge Replacement Project

This bridge replacement project involved the construction of a 133′-6″ two-span prestressed concrete spread box beam bridge on a 90 degree skew. The bridge has a 28′-6 3/4″ curb-to-curb. This project involved the construction of 210 feet of new roadway, including drainage, signing, and guide rail. Traffic during construction was detoured.

The existing bridge was a one-lane bridge. The new structure provides a safer crossing for vehicles by eliminating a structurally hazardous condition, which now allows unlimited vehicular access. The load posting of the existing structure prevented larger vehicles from using the roadway.

Larson Design Group (LDG) provided full design services, including structural and roadway design, and survey. LDG coordinated with Union County, PennDOT, PADEP, the County Conservation District, Pennsylvania Historical and Museum Commission, local utilities, and local residents throughout the design process. In addition, LDG coordinated with the Union County Historical Society (UCHS) and the Merrill W. Linn Land and Waterways Conservancy as part of the project. The UCHS owns the property adjacent to the structure and the Linn Conservancy maintains a trail on the UCHS property. As part of the project, LDG was able to incorporate a canoe and kayak launch into the finished grading at the site.

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