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Main Street Bridge

Kenneth "Red" Vandegrift Bridge

Main Street Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: November 7, 2015

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Key Facts

Facility Carried / Feature Intersected
Main Street Over Railroad (New Jersey Transit Raritan Valley Line)
Location
Phillipsburg: Warren County, New Jersey: United States
Construction Date and Builder / Engineer
1914 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
1992
Main Span Length
137 Feet (41.76 Meters)
Structure Length
149 Feet (45.42 Meters)
Roadway Width
36 Feet (10.97 Meters)
Spans
1 Main Span(s)
NBI Number
2160166

Historic Significance Rating (HSR)

Bridge Documentation

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

This is an impressive bridge with some unusual details. Firstly, it is a very wide bridge for its age, and typical of wide through truss bridges from this period the overhead bracing system includes a longitudinal bracing line running through the middle of the overhead bracing system. The bridge has a very heavy skew of 45 degrees and some of the floorbeams actually rest on the abutments as a result. The bridge's truss configuration is an unusual variation of the Warren truss configuration, where the traditional repeating "V" pattern is interrupted in the center panel of the truss where instead an "X" pattern of diagonals is found. Finally, the bridge trusses are not trapezoidal in shape. Look closely and you will see this bridge is barely a Polygonal Warren truss, with the top chord having two very shallow slopes.

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