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Pennsylvania Avenue Bridge

Pennsylvania Avenue Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: July 11, 2008

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Key Facts

Facility Carried / Feature Intersected
Pennsylvania Avenue Over Railroad (Black River and Western)
Flemington: Hunterdon County, New Jersey: United States
Construction Date and Builder / Engineer
1918 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
Main Span Length
74 Feet (22.6 Meters)
Structure Length
75 Feet (22.9 Meters)
Roadway Width
19.4 Feet (5.91 Meters)
1 Main Span(s)
NBI Number

Historic Significance Rating (HSR)
View Information About HSR Ratings

Bridge Documentation

This bridge no longer exists!

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

This bridge is a noteworthy structure because of its cambered deck, which is carried through in the shape of the top and bottom chord, which is why this bridge is considered a Pratt, not a Parker, even though the top chord is technically slightly polygonal. 

This bridge is at a sharp angle to the approaching roadway.

Information and Findings From New Jersey's Historic Bridge Inventory

Discussion of Bridge

The skewed, 6-panel riveted pony truss bridge is built with a slight camber, a common railroad overpass design detail. Vertical members are laced angles reinforced with battens at the bottom. Center panel diagonals are also reinforced with a central gusset plate and battens. One of over 10 Pratt pony truss bridges in the county, the undocumented span, which may have been moved to this location because of its skew angle, is eligible for listing in the National Register of Historic Places under Criterion C as a representative example of the over 70 metal truss bridges in Hunterdon County which date from the late 1860s until the late 1920s.

Discussion of Surrounding Area

The bridge carries Pennsylvania Avenue over the Central New Jersey South Branch Railroad. It is located on a sharp curve in a rural setting on the edge of Flemington. A gravel mill is nearby.

Bridge Considered Historic By Survey: Yes


Photo Galleries and Videos: Pennsylvania Avenue Bridge

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Bridge Photo-Documentation
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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


Maps and Links: Pennsylvania Avenue Bridge

This historic bridge has been demolished. This map is shown for reference purposes only.

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