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Cth S over Br Narrows Creek

Sauk County, Wisconsin · rated Fair in the 2025 National Bridge Inventory

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

Cth S over Br Narrows Creek in Sauk 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 5 (fair condition) on the 0-9 scale.
It was built in 1997, making it 28 years old at the 2025 inventory.
It carries about 227 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 112 of the 275 inventoried bridges in Sauk County rated fair (40.7%); 25 (9.1%) 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 90 Eb-ih 94 EB over Ush 12	1960	23,500	Fair
Ih 90 Wb-ih 94 WB over Ush 12	1960	23,500	Fair
Ih 90 Eb-ih 94 EB over Sth 23	1961	23,500	Fair
Ih 90 Wb-ih 94 WB over Sth 23	1961	23,500	Good
Ih 90 Eb-ih 94 EB over Mirror Lake	1961	23,500	Fair
Ih 90 Wb-ih 94 WB over Mirror Lake	1961	23,500	Fair