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Robert Street over Raritan Canal

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

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

Robert Street over Raritan Canal in Somerset 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 1931 and reconstructed in 1982, making it 94 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 34 of the 397 inventoried bridges in Somerset County rated poor (8.6%); 34 (8.6%) 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 48 ft
Location	0.1 mi S of OLD YORK Rd
NBI structure number	18E0709
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Route I-287 over Canal Rd D&r Raritan&rr	1960	159,760	Fair
I-287 over NJT (Raritan Valley)	1960	148,249	Fair
I-287 over Main St (CR 533)	1960	138,097	Fair
I-287 over Sky Brook	1959	122,240	Fair
Route I-287 S.B. over Elizabeth Ave (CR 621)	1961	120,175	Fair
I-78 over Corys Brook	1965	105,645	Fair