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Csah 1 over Red River of the North

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

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

Csah 1 over Red River of the North in Polk County, Minnesota, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 0 (failed condition, out of service) on the 0-9 scale.
It was built in 1939, making it 86 years old at the 2025 inventory.
It carries about 205 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 8 of the 269 inventoried bridges in Polk County rated poor (3.0%); 8 (3.0%) 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

Component	Rating (2025)	FHWA scale meaning
Deck	0	Failed condition, out of service
Superstructure	1	Imminent failure condition
Substructure	1	Imminent failure condition

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

Bridge	Built	Vehicles/day	Condition
US 2 over Red River	1963	15,475	Fair
US 2 over 4th ST NW	1964	13,700	Fair
US 2B over Red River	1929	13,400	Fair
Msas 119 over Red Lake River	1980	7,400	Fair
Msas 113 over Red River of the North	1967	6,630	Fair
US 2 over Red Lake River	1990	4,760	Fair