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Bridge conditions in Roseau County, Minnesota

142 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory

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

Roseau County tracks close to typical: 4 of its 142 inventoried bridges (2.8%) are rated poor, against a national rate of about 7%.

4 of the 142 bridges in Roseau County, Minnesota, are rated in poor condition (2.8%) in the 2025 National Bridge Inventory, as of August 20, 2026.
99 bridges (69.7%) are rated good and 39 (27.5%) fair.
The median Roseau County bridge was built in 1991.
The busiest poor-rated bridge is T 26 over Stream (built 1922), carrying about 32 vehicles a day.

Good 69.7% · Fair 27.5% · Poor 2.8% of 142 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
T 26 over Stream	1922	32	Poor
T 26 over Stream	1922	32	Poor
Service Rd over Sprague Creek	1970	2	Poor
Ut 400 over E Br Warroad River	1989	1	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
Mn 11 over Warroad River	1970	6,870	Fair
Mn 11 over Roseau R Watershed	2005	5,800	Good
Mn 11 over Roseau River	1938	5,400	Fair
Mn 11 over Hay Creek	1969	3,071	Fair
Mn 11 over Roseau R Diversion Chan	2009	3,071	Good
Csah 72 over Roseau River	1971	2,912	Good
Mn 11 over Badger Creek	2005	2,600	Good
Mn 11 over Co Ditch # 13	2005	2,600	Good
Mn 32 over S Br Two Rivers	1977	2,225	Fair
Mn 11 over Stream	1954	1,700	Fair

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.