Bridge conditions in Towner County, North Dakota
57 inventoried bridges · 14 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 4 bridges in Towner County is rated in poor condition: 14 of 57 on the federal inventory, one of the higher shares in North Dakota.
- 14 of the 57 bridges in Towner County, North Dakota, are rated in poor condition (24.6%) in the 2025 National Bridge Inventory, as of .
- 20 bridges (35.1%) are rated good and 23 (40.4%) fair.
- The median Towner County bridge was built in 1978.
- The busiest poor-rated bridge is Nd Highway 17 over Creek (built 1931), carrying about 640 vehicles a day.
Good 35.1% · Fair 40.4% · Poor 24.6% of 57 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 |
|---|---|---|---|
| Nd Highway 17 over Creek | 1931 | 640 | Poor |
| Nd Highway 17 over Mauvais Coulee | 1962 | 560 | Poor |
| County Highway over Coulee | 1974 | 20 | Poor |
| County Highway over Creek | 1953 | 20 | Poor |
| County Highway over Creek | 1979 | 20 | Poor |
| County Highway over Creek | 1960 | 10 | Poor |
| County Highway over Creek | 1945 | 10 | Poor |
| County Highway over Mauvais Coulee | 1966 | 10 | Poor |
| County Highway over Mauvais Coulee | 1979 | 10 | Poor |
| County Highway over Creek | 1945 | 5 | Poor |
| County Highway over Creek | 1945 | 5 | Poor |
| County Highway over Creek | 1947 | 5 | Poor |
| County Highway over Creek | 1938 | 5 | Poor |
| County Highway over Coulee | 1939 | 1 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US Highway 281 over Creek | 1983 | 1,860 | Fair |
| US Highway 281 over Creek | 1983 | 1,690 | Fair |
| Nd Highway 17 over Creek | 1961 | 800 | Fair |
| US Highway 281 over Big Coulee | 2000 | 690 | Good |
| US Highway 281 over Creek | 2000 | 670 | Good |
| Nd Highway 17 over Creek | 1931 | 640 | Poor |
| Nd Highway 17 over Mauvais Coulee | 1962 | 560 | Poor |
| US Highway 281 over Creek | 1952 | 500 | Fair |
| Nd Highway 17 over Creek | 1961 | 460 | Good |
| Nd Highway 17 over Creek | 1961 | 440 | 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.