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Csah 15 over I 94

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

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

Csah 15 over I 94 in Otter Tail County, Minnesota, 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 1960, making it 65 years old at the 2025 inventory.
It carries about 1,300 vehicles a day (traffic count year 2019).
Its listed owner is the state highway agency.
It is one of 78 of the 148 inventoried bridges in Otter Tail County rated fair (52.7%); 11 (7.4%) 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


Structure	Continuous steel stringer or multi-beam girder
Length	about 210 ft
Location	1.1 Mi SE of Jct Th 210
NBI structure number	9876
Condition class	Fair

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