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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