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West Thompson Road over French River

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

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

West Thompson Road over French River in Windham 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 1935 and reconstructed in 1987, making it 90 years old at the 2025 inventory.
It carries about 3,800 vehicles a day (traffic count year 2022).
Its listed owner is a town or township highway agency.
It is one of 162 of the 264 inventoried bridges in Windham County rated fair (61.4%); 23 (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	Prestressed concrete multiple box beam
Length	about 76 ft
Location	0.1 Mile West of Route 12
NBI structure number	05660
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Interstate-395 NB over US Route 6	1963	129,000	Fair
Interstate 95 over Noroton River	1958	123,700	Fair
Interstate-395 over Roper Road	1958	32,700	Fair
Interstate-395 over Plainfield Road	1958	30,400	Fair
Interstate-395 over Mill Brook	1958	30,000	Good
Interstate-395 over Lathrop Brook	1958	30,000	Good