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Csah 13 over S Fk Watonwan River

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

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

Csah 13 over S Fk Watonwan River in Cottonwood County, Minnesota, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 3 (serious condition) on the 0-9 scale.
It was built in 1959, making it 66 years old at the 2025 inventory.
It carries about 263 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 9 of the 150 inventoried bridges in Cottonwood County rated poor (6.0%); 9 (6.0%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Prestressed concrete channel beam
Length	about 31 ft
Location	0.4 Mi W of Co Line
NBI structure number	89551
Condition class	Poor

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