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Old Cranbury Rd over Millstone River

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

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

Old Cranbury Rd over Millstone River in Middlesex 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 deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1982, making it 43 years old at the 2025 inventory.
It carries about 2,761 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 24 of the 563 inventoried bridges in Middlesex County rated poor (4.3%); 24 (4.3%) 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	Prestressed concrete multiple box beam
Length	about 63 ft
Location	1 Mi South of Trenton Rd
NBI structure number	124B098
Condition class	Poor

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