Bridge conditions in Ramsey County, North Dakota
48 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Ramsey County tracks close to typical: 4 of its 48 inventoried bridges (8.3%) are rated poor, against a national rate of about 7%.
- 4 of the 48 bridges in Ramsey County, North Dakota, are rated in poor condition (8.3%) in the 2025 National Bridge Inventory, as of .
- 21 bridges (43.8%) are rated good and 23 (47.9%) fair.
- The median Ramsey County bridge was built in 1991.
- The busiest poor-rated bridge is County Highway over St. Joe Coulee (built 1983), carrying about 50 vehicles a day.
Good 43.8% · Fair 47.9% · Poor 8.3% of 48 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 |
|---|---|---|---|
| County Highway over St. Joe Coulee | 1983 | 50 | Poor |
| Irrft County Hiway over Coulee | 1935 | 20 | Poor |
| County Highway over Coulee | 1937 | 10 | Poor |
| County Highway over Coulee | 1940 | 5 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US Highway 2 over Coulee | 2013 | 5,400 | Good |
| US Highway 2 over Channel A | 2005 | 2,750 | Fair |
| US Highway 2 over Channel A | 2005 | 2,750 | Fair |
| US Highway 2 over Mauvais Coulee | 2001 | 1,475 | Fair |
| US Highway 2 over Mauvais Coulee | 2001 | 1,475 | Good |
| Nd Highway 20 over Sweetwater Lake Overflow | 1967 | 1,400 | Fair |
| Nd Highway 20 over Creek | 1966 | 1,370 | Good |
| Nd Highway 19 over Six Mile Bay | 2001 | 1,320 | Good |
| Irrft Nd Hiway 20 over Devils Lake Narrows | 2001 | 1,150 | Fair |
| Nd Highway 17 over Creek | 1958 | 580 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of North Dakota: North Dakota 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.