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Csah 9 over Watonwan River

Cottonwood County, Minnesota · rated Fair in the 2025 National Bridge Inventory

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

Csah 9 over Watonwan River in Cottonwood County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1933, making it 92 years old at the 2025 inventory.
It carries about 156 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 30 of the 150 inventoried bridges in Cottonwood County rated fair (20.0%); 9 (6.0%) 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	Steel stringer or multi-beam girder
Length	about 32 ft
Location	0.2 Mi S of Jct Csah 9
NBI structure number	89567
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Mn 60 over Des Moines River	1971	11,239	Poor
Mn 60 over UP RR	1987	3,684	Fair
Mn 60 over UP RR	1987	3,684	Fair
US 71 over Des Moines River	2010	2,550	Good
Mn 62 over Des Moines River	1974	2,533	Fair
M 74 over Perkins Creek	2009	2,500	Good