Bridge conditions in Norman County, Minnesota
149 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Norman County tracks close to typical: 4 of its 149 inventoried bridges (2.7%) are rated poor, against a national rate of about 7%.
- 4 of the 149 bridges in Norman County, Minnesota, are rated in poor condition (2.7%) in the 2025 National Bridge Inventory, as of .
- 113 bridges (75.8%) are rated good and 32 (21.5%) fair.
- The median Norman County bridge was built in 1981.
- The busiest poor-rated bridge is Csah 25 over Red River of the North (built 1952), carrying about 175 vehicles a day.
Good 75.8% · Fair 21.5% · Poor 2.7% of 149 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 25 over Red River of the North | 1952 | 175 | Poor |
| CR 113 over Marsh River | 1920 | 36 | Poor |
| CR 146 over Co Ditch # 18 | 1966 | 30 | Poor |
| T 258 over Jud Ditch # 53 Lat # 2 | 1961 | 5 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mn 9 over S Br Wild Rice River | 1979 | 1,650 | Fair |
| Mn 9 over Wild Rice River | 2016 | 1,650 | Fair |
| Mn 9 over Marsh River | 1948 | 1,650 | Fair |
| Mn 9 over Co Ditch # 37 | 1948 | 1,650 | Fair |
| US 75 over Co Ditch # 1 | 1986 | 1,637 | Good |
| Mn 200 over Jud Ditch # 51 | 2001 | 1,632 | Fair |
| US 75 over Marsh River | 2010 | 1,500 | Fair |
| US 75 over Wild Rice River | 2004 | 1,466 | Good |
| Mn 9 over Jd #51 | 2013 | 1,436 | Good |
| Mn 200 over Red River of the North | 1997 | 1,289 | 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.