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Csah 2 over Thief River

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

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

Csah 2 over Thief River in Marshall 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1979, making it 46 years old at the 2025 inventory.
It carries about 180 vehicles a day (traffic count year 2018).
Its listed owner is the county highway agency.
It is one of 60 of the 214 inventoried bridges in Marshall County rated fair (28.0%); 3 (1.4%) 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	Prestressed concrete tee beam
Length	about 144 ft
Location	0.5 Mi E of Jct Csah 44
NBI structure number	45526
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 75 over Snake River	1996	3,150	Good
Mn 32 over Middle River	1977	2,300	Fair
US 59 over Middle River	2020	1,950	Good
Mn 1 over Snake River	1971	1,800	Fair
Mn 32 over Judicial Ditch 19	2023	1,600	Good
Mn 1 over Snake R Watershed	2005	1,500	Good