Calhoun Street Bridge, Road bridge at Trenton and Morrisville, United States
Calhoun Street Bridge is an iron road bridge crossing the Delaware River between New Jersey and Pennsylvania, built in a Pratt truss design across seven spans. It connects the cities of Trenton and Morrisville and carries vehicle traffic over the river.
The bridge was built in 1884 by the Phoenix Bridge Company after a fire destroyed the wooden crossing that had stood on the same site since 1861. The new iron structure was meant to provide a more lasting connection across the river.
The bridge was part of the Lincoln Highway, the first transcontinental route in America, until that route shifted to different crossing points in 1920. Visitors can still sense the historical importance of this major transportation corridor in how the structure connects two states.
The bridge has strict weight and height restrictions, so larger vehicles should plan an alternate route before arriving. The speed limit is very low, so drivers need to slow down well before reaching the crossing.
The Calhoun Street Bridge is the only wrought iron structure in the entire Delaware River Joint Toll Bridge Commission system. Wrought iron was already becoming rare as a bridge material by the time this crossing was built, making it an unusual example of late 19th-century construction.
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