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Csah 9 over Knife River

Lake County, Minnesota · rated Good in the 2025 National Bridge Inventory

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

Csah 9 over Knife River in Lake County, Minnesota, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2021, making it 4 years old at the 2025 inventory.
It carries about 744 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 46 of the 90 inventoried bridges in Lake County rated good (51.1%); 11 (12.2%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 104 ft
Location	2.0 Mi W of Jct Mn 61
NBI structure number	38534
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Mn 61 over Stewart River	1922	6,474	Good
Mn 61 over Silver Creek; Pedestrian	2022	6,474	Good
Mn 61 over Crow Creek	1968	4,763	Fair
Mn 61 over Encampment River	1941	4,763	Good
Mn 61 over Conveyer	1952	4,217	Fair
Mn 61 over Conveyor Tunnel	1978	4,217	Fair