BL Companies was retained by Westfield Corporation to provide construction documents, Local, State and Federal permitting, and construction inspection services for the installation of a pedestrian bridge located immediately downstream of the existing vehicular bridge on East Town Road over the Indian River in Milford, Connecticut. The pedestrian bridge is an 85-ft simple span prefabricated weathered steel Pratt truss style superstructure that bears on cast-in-place reinforced concrete abutments. The reinforced concrete abutment substructure is supported on approximately 30-ft deep load bearing timber piles driven to bedrock. BL Companies designed the substructure per the AASHTO LRFD Bridge Specifications, Fourth Edition (2007) design criteria.
Steel z-shaped sheetpiling cofferdams were required to allow for vertical excavations, to maintain a dry work environment due to the close proximity of the wetlands and the tidally influenced Indian River while maintaining traffic along East Town Road. Maintenance and protection of traffic plans were created to reduce the roadway at the bridge to 2-lanes in order to provide a safe work area for the contractor. New concrete sidewalk approaches were also constructed to access the bridge.
Permits were required from the CTDEEP Long Island Sound Program, Army Corp of Engineers, Milford Planning and Zoning Commission, and the Milford Building Department.
BL Companies performed all the necessary studies to secure the required permits for construction of the bridge.