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Sidney Rd (CR 617) over Lehigh Valley ML

Hunterdon County, New Jersey · rated Poor in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Sidney Rd (CR 617) over Lehigh Valley ML in Hunterdon County, New Jersey, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1970 and reconstructed in 1996, making it 55 years old at the 2025 inventory.
It carries about 2,825 vehicles a day (traffic count year 2024).
It is one of 26 of the 373 inventoried bridges in Hunterdon County rated poor (7.0%); 26 (7.0%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 163 ft
Location	1.02 mi South of CR513
NBI structure number	1050165
Condition class	Poor

Source: FHWA National Bridge Inventory, 2025 data as reported by the New Jersey department of transportation.

Bridge	Built	Vehicles/day	Condition
Rte I-78 & Ramp R over Beaver Brook	1948	130,244	Fair
I-78 over Beaver Brook	1941	130,244	Poor
I-78 over Branch Rockaway Creek	1966	129,446	Fair
I-78 EB over Beaver Brook	1958	109,955	Fair
I-78 over Tunnel Road	1960	108,465	Fair
I-78 EB over County Route 523	1965	107,826	Fair