Durham Road over Interstate-91

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

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

• Durham Road over Interstate-91 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 1965, making it 60 years old at the 2025 inventory.
• It carries about 1,300 vehicles a day (traffic count year 2022).
• 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.

View this bridge on a map → (41.46691, -72.77518)

Component ratings

Bridge details

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

Busiest bridges in New Haven County

All bridges nearby: New Haven County, CT bridge conditions · every bridge in New Haven County · Connecticut bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.