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Locktown-Sergeantsville Road Bridge

Locktown-Sergeantsville Road Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: November 7, 2015

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Facility Carried / Feature Intersected
Locktown-Sergeantsville Road Over Plum Brook
Location
Rural: Hunterdon County, New Jersey: United States
Construction Date and Builder / Engineer
1925 By Builder/Contractor: Unknown
Rehabilitation Date
2002
Main Span Length
47.0 Feet (14.3 Meters)
Structure Length
49.0 Feet (14.9 Meters)
Roadway Width
25 Feet (7.62 Meters)
Spans
1 Main Span(s)
Inventory Number
100D424

Historic Significance Rating (HSR)
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Bridge Documentation

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

This is a tiny pony truss bridge and its use of simple paired angles for members makes it look even smaller than it is. Despite its lightweight construction, the bridge was widened in 1947, something which is not often done with truss bridges because the increased deck area increases the dead load and potential live load placed on the trusses.

Information and Findings From New Jersey's Historic Bridge Inventory

Discussion of Bridge

The 3-panel riveted Warren pony truss bridge is supported on ashlar abutments which have been widened with concrete. One wingwall is stone, the others are concrete. When the bridge was widened in 1947, the entire flooring system was redone. The top chord of back-toback angles has an added welded cover plate, and welded reinforcing has been added to upper panel points. Design integrity has been compromised. The undocumented, altered span is one of more than 20 similar bridges in the county.

Discussion of Surrounding Area

The bridge carries a 2-lane lightly traveled rural road over a minor stream in a wooded rural setting. Nearby are open fields and scattered 18th- and 19th-century homes.

Bridge Considered Historic By Survey: No

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Photo Galleries and Videos: Locktown-Sergeantsville Road Bridge

 

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Maps and Links: Locktown-Sergeantsville Road Bridge

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Search For Additional Bridge Listings:

Bridgehunter.com: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

Bridgehunter.com: View listed bridges within 10 miles (16 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 10 miles (16 kilometers) of this bridge.

2021 National Bridge Inventory: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

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