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Bridge conditions in Kanabec County, Minnesota

82 inventoried bridges · 3 rated poor · 2025 National Bridge Inventory

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

The federal inventory lists 82 bridges in Kanabec County: 47 rated good, 32 fair, and 3 poor.

3 of the 82 bridges in Kanabec County, Minnesota, are rated in poor condition (3.7%) in the 2025 National Bridge Inventory, as of August 20, 2026.
47 bridges (57.3%) are rated good and 32 (39.0%) fair.
The median Kanabec County bridge was built in 1989.
The busiest poor-rated bridge is Csah 12 over Groundhouse River (built 1971), carrying about 380 vehicles a day.

Good 57.3% · Fair 39.0% · Poor 3.7% of 82 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
Csah 12 over Groundhouse River	1971	380	Poor
Csah 17 over Mud Creek	1975	115	Poor
CR 68 over Mud Creek	1962	50	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
Mn 65 over Snake River	2022	11,800	Good
Mn 65 over Ann River	2007	7,000	Good
Mn 23 over S Fk Groundhouse River	2024	6,290	Good
Mn 23 over Groundhouse River	1998	6,000	Good
Mn 65 over Groundhouse River	2007	5,975	Fair
Mn 23 over Ann River	1951	5,800	Fair
Mn 65 over Snake River	1989	3,788	Fair
Csah 6 over Snake River	1980	3,750	Fair
Mn 23 over Mud Creek	1953	3,343	Fair
Mn 107 over Snake River	2009	2,600	Good

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of Minnesota: Minnesota bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.