31ST STREET BRIDGE REPLACEMENT
Location: 31st Street Bridge NW over C&O Canal, Washington, DC
Client: District Department of Transportation
Period of Performance: March 2019– August 2020
Contract Value: $4.6M FMCC
Job No.: 10630
The 31st Street Bridge Replacement project restored an existing two span bridge with a single span steel multi-girder superstructure with a new bridge constructed behind the existing canal walls. The existing pier was removed, salvaged, rehabilitated, and reset in its original location, but will no longer support the bridge and will have new ADA compliant sidewalks and ramps. Fort Myer was responsible for the installation of a temporary pedestrian bridge prior to the start of the bridge construction to maintain pedestrian access across the C&O Canal at all times.
The project also includes installation of temporary structures to laterally support the existing canal walls. Our team installing temporary utility supports, with protection of existing utilities, and coordination with all utility companies for relocation prior to bridge replacement. The removal, restoration, and re-installation of the historic pier and construction of a new bridge and railing, with ADA-compliant sidewalks and ramps.
This bridge is one of three Georgetown C&O Canal Historic Bridges that will be restored and replaced. This construction addresses deferred maintenance issues and related safety and accessibility concerns associated with the canal. It also improves connections between Georgetown and the canal and enhances visitors experience through increased signage and optimizing underutilized areas.
This project was also featured on the cover of Building Washington Magazine for its historical significance, challenging location, and our workmanship in Summer 2020.