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Cth A over Willow River

St. Croix County, Wisconsin · rated Fair in the 2025 National Bridge Inventory

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

Cth A over Willow River in St. Croix County, Wisconsin, 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 1982, making it 43 years old at the 2025 inventory.
It carries about 6,656 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 114 of the 297 inventoried bridges in St. Croix County rated fair (38.4%); 10 (3.4%) 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 Wisconsin department of transportation.

Bridge	Built	Vehicles/day	Condition
Ih 94-ush 12-sth 3 over Sth 35 SB	1972	83,400	Fair
Ih 94-ush 12-sth 3 over Lrd Front St	1972	82,400	Fair
Ih 94 Wb-ush 12 WB over Quixote Ave-st Croix Riv	1973	41,700	Fair
Ih 94 Eb-ush 12 EB over Lrd Quixote Ave-st Croix	1995	41,700	Fair
Lrd Carmichael Rd over Ih 94-ush 12-sth 35	1991	30,600	Fair
Ih 94 EB over Sth 35	2000	28,500	Good