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Old Clinton Road Bridge

   


Old Clinton Road Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: July 11, 2008
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Key Facts

Facility Carried / Feature Intersected
Old Clinton Road Over South Branch Raritan River
Location
Rural: Hunterdon County, New Jersey
Construction Date and Builder / Engineer
1901 By Builder/Contractor: Canton Bridge Company of Canton, Ohio

Technical Facts

Rehabilitation Date
1991
Main Span Length
62 Feet (18.9 Meters)
Structure Length
128 Feet (39 Meters)
Roadway Width
15 Feet (4.6 Meters)
Spans
2 Main Span(s)
NBI Number
10XXF76

Historic Significance Rating (HSR)

Bridge Documentation

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

This bridge is one of Hunterdon County's unusually large population of multi-span pony truss bridges. Multi-span pony trusses are uncommon in other parts of the country, where single span pony trusses are usually the only type of pony truss commonly found, with most multi-span truss bridges being through trusses.

This bridge is a warren (without verticals) pony truss which had outriggers added to it. It is a relatively early example of a highway truss bridge with riveted connections.

Information and Findings From New Jersey's Historic Bridge Inventory

Discussion of Bridge

The riveted Warren pony truss bridge is supported on random stone abutments, pier and wingwalls. The bottom chord is toe-out angles with battens. Lacing joins the toe-down angles of the diagonals. Alterations include a new detail where new floorbeams are supported by rods bolted to brackets welded to original gusset plates and concrete repairs to the substructure made in 1989. A documented but altered example of a field-riveted bridge by a notable fabricator, it has no distinguishing details.

Discussion of Surrounding Area

The bridge carries one lane of a lightly traveled country road over the South Branch of the Raritan River. It adjoins a smaller stone arch bridge and is adjacent to an altered 19th-century house and milling complex.

Bridge Considered Historic By Survey: No

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Photos and Videos: Old Clinton Road Bridge

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