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Route 64 over Hop Brook

New Haven County, Connecticut · rated Fair in the 2025 National Bridge Inventory

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

Route 64 over Hop Brook in New Haven County, Connecticut, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1928, making it 97 years old at the 2025 inventory.
It carries about 10,000 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 585 of the 893 inventoried bridges in New Haven County rated fair (65.5%); 33 (3.7%) 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

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

Bridge	Built	Vehicles/day	Condition
Interstate 95 over Canal Dock Road	2015	187,800	Good
Interstate-95 over West River & SR 745	2018	142,200	Good
Route 71 over Sodom Brook	2019	141,900	Good
Interstate-91 over I-91 Ramp 002	1965	141,200	Fair
Interstate-91&rt15 over Willow Brook	1964	136,800	Fair
Interstate-91 over Grand Avenue	1965	135,400	Fair