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US Route 6 WB over Willimantic River

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

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

US Route 6 WB over Willimantic River in Tolland 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1971, making it 54 years old at the 2025 inventory.
It carries about 8,950 vehicles a day (traffic count year 2017).
Its listed owner is the state highway agency.
It is one of 116 of the 207 inventoried bridges in Tolland County rated fair (56.0%); 17 (8.2%) 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 stringer or multi-beam girder
Length	about 210 ft
Location	1.5 Mile East of Route 66
NBI structure number	02561
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Interstate-84 over Cider Mill Road	1954	71,600	Fair
Interstate-84 over Skungamaug River	1954	64,200	Fair
Interstate-84 over Willimantic River	1953	58,100	Fair
Interstate-84 over New England Central RR	1953	58,100	Fair
I-84 EB & Ramp 061 over Hockanum River	1981	54,800	Fair
Interstate-84 over Roaring Brook	1940	54,200	Fair