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Perrineville Road over Millstone River

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

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

Perrineville Road over Millstone River 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 deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2018, making it 7 years old at the 2025 inventory.
It carries about 6,298 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
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


Structure	Prestressed concrete multiple box beam
Length	about 75 ft
Location	0.71 Mile North of Nj 33
NBI structure number	125B131
Condition class	Good

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