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Sth 57 | Cth Dk over Red River

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

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

Sth 57 | Cth Dk over Red River in Kewaunee County, Wisconsin, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
It was built in 1958 and reconstructed in 2005, making it 67 years old at the 2025 inventory.
It carries about 10,100 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 52 of the 92 inventoried bridges in Kewaunee County rated fair (56.5%); 5 (5.4%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	5	Fair condition


Structure	Continuous concrete culvert
Length	about 44 ft
Location	0.5M N Jct Cth X
NBI structure number	B31000800000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Sth 57 over Unnamed Stream	2005	10,800	Fair
Sth 54 over Br School Creek	1981	7,800	Fair
Sth 54 over School Creek	1997	7,800	Good
Sth 54 over School Creek	1997	7,800	Good
Sth 54 over School Creek	1997	7,800	Fair
Sth 54 over Luxemburg Creek	1981	7,400	Fair