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Congress Street #1 over Route 15

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

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

Congress Street #1 over Route 15 in Fairfield County, Connecticut, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1938, making it 87 years old at the 2025 inventory.
It carries about 650 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 640 of the 862 inventoried bridges in Fairfield County rated fair (74.2%); 33 (3.8%) 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

Component	Rating (2025)	FHWA scale meaning
Superstructure	6	Satisfactory condition
Substructure	5	Fair condition

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

Bridge	Built	Vehicles/day	Condition
Interstate-95 over Kings Hwy-goodwives Rv	1952	154,700	Fair
Interstate-95 over Bostwick Ave	2006	154,600	Fair
Interstate-95 over Bport Harbor Rt 130 Mnrr	1959	153,100	Fair
Interstate-95 over Norwalk Rv Hendricks Ave	1957	147,500	Fair
Interstate-95 over Route 136	1952	143,900	Fair
Interstate-95 over Metro North RR & Station	1958	143,300	Fair