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Gsp Southbound over Lake Avenue

Middlesex County, New Jersey · rated Good in the 2025 National Bridge Inventory

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

Gsp Southbound over Lake Avenue in Middlesex County, New Jersey, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
It was built in 1948 and reconstructed in 1976, making it 77 years old at the 2025 inventory.
It carries about 100,978 vehicles a day (traffic count year 2023).
It is one of 130 of the 563 inventoried bridges in Middlesex County rated good (23.1%); 24 (4.3%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings

Component	Rating (2025)	FHWA scale meaning
Superstructure	7	Good condition
Substructure	7	Good condition

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

Bridge	Built	Vehicles/day	Condition
Tpknso/nsi/sni/sno over Colonial Pipelines	1947	196,710	Good
Garden St Parkway over S Br Rahway River	1948	194,231	Fair
Washington Ave over I-287	1962	190,050	Fair
Nj Turnpike(i-95) over Mill Brook	1950	175,389	Fair
Nj Turnpike(i-95) over Mill Brook	1950	175,376	Fair
Nj Turnpike(i-95) over Mill Brook	1950	175,376	Fair