Erdman Anthony provided a concept study, preliminary design, final design,
and post-design services for the rehabilitation of a 700-foot, three-span Warren
truss bridge over the Delaware River between Pennsylvania and New Jersey. Our
design team performed an in-depth inspection and load rating analysis of the
existing bridge, and surveyed it using a combination of 3-D laser scanning and
conventional field survey techniques. An evaluation of the existing deck
determined that a deck replacement was preferred over rehabilitation. Among new
deck alternatives, a concrete filled grid deck was selected as a cost effective
alternative that would best meet the needs of the client and the local
community. Design tasks included final design of the bridge deck and floor
system replacement, as well as bridge superstructure and substructure repairs.
The repairs included replacement of deteriorated or damaged steel bridge
superstructure members, and repairs to the masonry piers and abutments. The
scope also included blast cleaning and repainting of the entire structure,
repaving of the bridge approaches, and upgrading lighting.
An intensive public involvement program drove many design decisions for this
project. The local economy relies on river-based tourism, and the owners of bed
and breakfast establishments at both ends of the bridge voiced concerns
regarding construction scheduling, noise, and associated impacts to their
business. The owner and design team responded to these concerns by scheduling
construction to be completed during the winter, minimizing impacts to the summer
tourist season. In addition, an open bridge deck alternative was abandoned in
favor of the concrete filled deck to reduce surface noise, and aesthetic
treatments such as lighting, sidewalks, railings, and bridge painting were
designed to mimic the original bridge's 1930's vintage.
Contact Us Today
Erdman Anthony is a multidisciplinary firm specializing in infrastructure engineering and support services.
The Erdman Anthony headquarters is located in Rochester, NY. We have 250+ personnel dispersed throughout offices in New York, Pennsylvania, Maine and Florida.
Be sure to check out our latest social media topics on Twitter and LinkedIn.
© 2017 Erdman Anthony | All Rights Reserved | Site Map