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Csah 42 over Wing River

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

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

Csah 42 over Wing River in Otter Tail County, Minnesota, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1966, making it 59 years old at the 2025 inventory.
It carries about 245 vehicles a day (traffic count year 2019).
Its listed owner is the county highway agency.
It is one of 11 of the 148 inventoried bridges in Otter Tail County rated poor (7.4%); 11 (7.4%) 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 30 ft
Location	0.1 Mi S of Jct Csah 48
NBI structure number	56511
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I 94 over Otter Tail River	1960	17,300	Fair
Msas 104 over Ottertail River	2002	11,700	Good
I 94 over Csah 88	1964	9,100	Fair
Msas 104 over Otv Railroad	1939	8,700	Fair
US 10 over Otter Tail River	1972	8,640	Good
I 94 over Csah 88	1964	8,156	Fair