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Enterprise Avenue over Assunpink Creek

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

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

Enterprise Avenue over Assunpink Creek in Mercer 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 1954, making it 71 years old at the 2025 inventory.
It carries about 630 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 212 of the 413 inventoried bridges in Mercer County rated fair (51.3%); 36 (8.7%) 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	Steel stringer or multi-beam girder
Length	about 71 ft
Location	0.6 Mi NE of Mulberry St
NBI structure number	1165401
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 29 Rampb over Assunpink Creek	1969	163,000	Fair
Nj Tpk(i-95) over Cedar Swamp Brook	1950	128,068	Fair
US 1 over Duck Pond Run	1928	120,147	Fair
I-295 Southbound over Franklin Corner Road	1973	100,463	Fair
Nj Tpk (I-95) over Nj 33	1950	99,482	Fair
Nsi & Sni Roadways over Monmouth Street	1950	99,482	Fair