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CR 523 over Lamington River

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

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

CR 523 over Lamington River in Somerset 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1977, making it 48 years old at the 2025 inventory.
It carries about 5,588 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 233 of the 397 inventoried bridges in Somerset County rated fair (58.7%); 34 (8.6%) 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 120 ft
Location	1.15 mi N of CR 517
NBI structure number	18C1103
Condition class	Fair

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