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Bilby Rd (CR 665) over Washington Secondary

Warren County, New Jersey · rated Fair in the 2025 National Bridge Inventory

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

Bilby Rd (CR 665) over Washington Secondary in Warren County, New Jersey, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1973, making it 52 years old at the 2025 inventory.
It carries about 6,705 vehicles a day (traffic count year 2023).
It is one of 206 of the 268 inventoried bridges in Warren County rated fair (76.9%); 12 (4.5%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 132 ft
Location	1.3MI NE US46&CR517 Jct
NBI structure number	2154171
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-80 over Kittatinny Beach Road	1953	74,343	Fair
I-80 over Camp Weygant Road	1953	74,343	Fair
I-80 & Service Rd over Dunnfield Creek	1953	62,106	Fair
I-80 over Pequest River	1969	60,200	Fair
I-80 over Bear Creek	1967	59,709	Fair
I-80 & CR 675 over Stoney Brook	1953	55,570	Fair