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Manners Road Bridge North

Manners Road Bridge North

Primary Photographer(s): Nathan Holth

Bridge Documented: November 7, 2015

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Key Facts

Facility Carried / Feature Intersected
Manners Road (CR-609) Over Neshanic River
Rural: Hunterdon County, New Jersey: United States
Construction Date and Builder / Engineer
By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
Main Span Length
70 Feet (21.34 Meters)
Structure Length
71 Feet (21.64 Meters)
Roadway Width
18.7 Feet (5.7 Meters)
1 Main Span(s)
NBI Number

Historic Significance Rating (HSR)

Bridge Documentation

This Bridge Has Been Altered, Resulting In Complete Loss of Historic Significance!

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

This is one of two similar bridges on this road that originally was a historic riveted pony truss and was replaced with a modern bridge. However, the historic truss lines were salvaged and placed on the new bridges as decorative elements. While this cannot be described as historic bridge preservation, this type of work is an outstanding example of  Section 106 mitigation for demolition and replacement of a historic bridge, because this form of mitigation preserves a substantial amount of the original materials and original appearance of the replaced historic bridge.

The mystery with these two bridges is that according to the Historic Bridge Inventory this one of the two was not considered officially National Register Eligible which would mean Section 106 didn't apply and mitigation was not required. Did the county just save these trusses out of respect of the fact that even ineligible bridge still has historic and aesthetic value... and perhaps because the other (nearly identical) truss down the road WAS considered eligible?

This pony truss bridge was built at an unknown location at an unknown date and relocated and reused here in 1957 where it replaced a stone arch bridge.

Dimensions given above are for the pony truss prior to replacement. See the National Bridge Inventory sheet for current bridge dimensions.

Information and Findings From New Jersey's Historic Bridge Inventory

Discussion of Bridge

The 5-panel Warren with verticals pony truss uses riveted construction. It is supported on concrete abutments with wingwalls. It was installed at this site in 1957, replacing an 1830 2-span stone arch bridge, and it appears that it is an earlier truss rebuilt for this location. The original date of the trusses is not documented, but stylistically it is a ca. 1920 span. The bridge is a representative example of a common type and is not technologically or historically distinguished.

Discussion of Surrounding Area

The bridge carries a 2-lane county road over the Neshanic River in a wooded rural setting. The surrounding land is used for agricultural purposes.

Bridge Considered Historic By Survey: No


Photos and Videos: Manners Road Bridge North

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