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Project Overview

​A project to rehabilitate the Tilghman Street Bridge over the Lehigh River, Norfolk Southern Railroad, waterfront development and local streets in the City of Allentown, Lehigh County beginging on January 10.

Work on the project includes bridge rehabilitation, deck replacement, roadway approach reconstruction, lighting upgrades, drainage work, concrete curb and sidewalk upgrades, signing and pavement markings and other miscellaneous construction.

The Tilghman Street Bridge is a 12-span concrete open spandrel arch bridge originally constructed in 1929 and reconstructed in 1995. It is 1,387 feet long and 53 feet wide. This section of Tilghman Street has an average daily traffic of 17,398 vehicles.

Project Contact

Project Statistics

Contract Cost:$21,904,045  ​

Prime Contractor: D.A. Collins Construction Co., Inc. of Wilton, NY

Detour Information

​Tilghman Street will be closed and detoured between Front and Dauphin streets. The posted detour will utilize Front Street, American Parkway, North Bradford Street and Dauphin Street. Motorists are advised to expect delays and use caution traveling on the detour route.
Pedestrian access will be maintained on the bridge throughout construction.