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Calhoun Street Bridge

Calhoun Street Toll-Supported Bridge

Calhoun Street Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: September 6, 2019

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Key Facts

Location
Trenton and Morrisville: Mercer County, New Jersey and Bucks County, Pennsylvania: United States
Construction Date and Builder / Engineer
1884 By Builder/Contractor: Phoenix Bridge Company of Phoenixville, Pennsylvania

Technical Facts

Rehabilitation Date
2010
Main Span Length
180 Feet (55 Meters)
Structure Length
1,277 Feet (389 Meters)
Roadway Width
18.4 Feet (5.61 Meters)
Spans
7 Main Span(s)
NBI Number
7689

Historic Significance Rating (HSR)
View Information About HSR Ratings

Bridge Documentation

Visit Delaware River Joint Toll Bridge Commission's Page For This Historic Bridge

This is the second longest surviving Phoenix column truss bridge, and it has been preserved for continued vehicular use. The bridge was extensively rehabilitated in 2010 and it continues to carry vehicular traffic as a result. The truss lines retain good historic integrity, however one major alteration is that all sway bracing appears to have been replaced with modern welded beams. While these beams are shaped similar to Phoenix columns, the flanges are simple plate welded to tube, and no rivets are present. Another, much older alteration is the repair of a pair of end posts and portal bracing of one of the intermediate spans on the bridge. Steel plates were riveted around the original Phoenix columns at this span. Another unusual feature of this bridge is the old riveted cable towers that are positioned in front of the portals at each end of the bridge. These towers no longer hold cables, but the towers have been preserved in place.

This bridge is owned by the Delaware River Joint Toll Bridge Commission (DRJTBC). The DRJTBC has a unique commitment to maintaining the many historic bridges under its ownership, and working with the communities the bridges serve, and sets an example for the rest of the country to follow. The front page of their website often features a photo of a historic bridge, and their slogan is Preserving Our Past, Enhancing Our Future. How many other road/bridge agencies in the United States promote their commitment to historic bridges in this way? Not many. Not only is the DRJTBC an example of how money might be better spent in regards to non-toll bridges, the DRJTBC bridges are also a great reference when arguing that a historic bridge can be rehabilitated and can also safely continue to function as a vehicular crossing.

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

View National Register of Historic Places Nomination Form For This Bridge

Above: Historical photo of bridge showing cable tower in use.

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Photo Galleries and Videos: Calhoun Street Bridge

 
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Bridge Photo-Documentation
Mobile Optimized Photos
A collection of overview and detail photos. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer

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Maps and Links: Calhoun Street Bridge

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