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Still Valley Road Bridge

Still Valley Road Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: November 7, 2015

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Key Facts

Facility Carried / Feature Intersected
Still Valley Road Over Pohatcong Creek
Rural: Warren County, New Jersey: United States
Construction Date and Builder / Engineer
By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
Main Span Length
52.2 Feet (15.91 Meters)
Structure Length
56 Feet (17.07 Meters)
Roadway Width
15.7 Feet (4.79 Meters)
1 Main Span(s)
NBI Number

Historic Significance Rating (HSR)

Bridge Documentation

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

This bridge is noted for its distinctive decorative cast iron caps at the ends of the top chord. It is not the only bridge in New Jersey to have this sort of a detail, yet no builder has been associated with any of them. Additionally, these distinctive caps have not been noted by HistoricBridges.org in other states either. The bridges with these details therefore are likely all the work of a local bridge company. The company also appears to have had an affinity for using rivets with heads other than the typical round head. This bridge displays cone head rivets (on the floor beams for example) and steeple (cone-shaped) rivet heads (on the end post cover plates for example). See this website for a diagram of rivet head types.

Among western New Jersey bridges, this truss bridge also is noted for retaining its original floor beams, which in this case are riveted built-up beams. Many trusses in this region have replaced floor beams.

Information and Findings From New Jersey's Historic Bridge Inventory

Discussion of Bridge

The one-span pony truss is set on concrete abutments with stone wingwalls along the south abutment. The truss is built-up of channel sections, lacing, batten and cover plates and eyebars, with some additional welded bars to the diagonals and bottom chord from 1936. At the ends of the top chord, decorative plates cover the end of the rectangular section. Despite the alterations, the bridge is sited well enough between the mill and the miller's house to be a contributing element to the district.

Discussion of Surrounding Area

The bridge is located in a well-preserved mill complex dating to the early-19th century and including a mill with its machinery and the miller's dwelling. The bridge contributes to the historic character of the National Register-listed complex. The one-lane bridge carries a narrow road over a stream.

Bridge Considered Historic By Survey: Yes


Photos and Videos: Still Valley Road Bridge

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