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​Route 58 Bridge Project

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Project Overview

The purpose of the project is to replace portion of the bridge that carries Route 58 (East Main Street) over Wolf Creek in Grove City Borough, Mercer County. The bridge is located on Route 58 at the intersection with Route 173, near the entrance to Grove City College.

The project will include removing the existing barriers, sidewalks, deck and beams and replacing them with new prestressed beams, reinforced concrete deck, sidewalks, barrier and approach slabs. Work will also include new roadway approaches and updated guiderail and pavement markings.

Permanent and temporary right-of-way takes will be required on both sides of the structure for construction. Cunningham Mill Park is located in the southwest portion of the project area and will have temporary impacts during construction.

Work is expected to occur during the 2025 construction season.

Car and pedestrian traffic will be maintained with half-width construction at the bridge. A detour will be posted for truck traffic and is expected to be in place for approximately seven months. The proposed 14-mile detour route will be posted using Route 58, Route 8, and Route 208.

The existing prestressed spread box beam structure was constructed in 1967. The superstructure, which is the upper portion of the bridge, is rated in poor condition. Approximately 9,800 vehicles a day use the bridge, on average, including 8% of which is truck traffic. 

Project Handout

Please select the image below to view a PDF of the project handout

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Project Plans

Please select the image below to view a PDF of the project plans.

Mercer Co Rt 58 preliminary plans.jpg