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Csah 3 over Red Lake River

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

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

Csah 3 over Red Lake River in Pennington 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 1962, making it 63 years old at the 2025 inventory.
It carries about 2,100 vehicles a day (traffic count year 2019).
Its listed owner is the county highway agency.
It is one of 11 of the 49 inventoried bridges in Pennington County rated fair (22.4%); 1 (2.0%) 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	Continuous steel stringer or multi-beam girder
Length	about 309 ft
Location	0.5 Mi E of Jct Th 32
NBI structure number	7248
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 59 over Red Lake River	1934	9,400	Fair
Msas 115 over Red Lake River	2009	6,900	Fair
Mn 1 over Thief River	1956	5,800	Fair
Msas 111 over Red Lake River	1950	5,200	Fair
Mn 32 over Ditch	1928	2,500	Fair
Csah 3 over Cd # 96	1956	1,950	Good