Bridge conditions in Cavalier County, North Dakota
65 inventoried bridges · 19 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 3 bridges in Cavalier County is rated in poor condition: 19 of 65 on the federal inventory, one of the higher shares in North Dakota.
- 19 of the 65 bridges in Cavalier County, North Dakota, are rated in poor condition (29.2%) in the 2025 National Bridge Inventory, as of .
- 15 bridges (23.1%) are rated good and 31 (47.7%) fair.
- The median Cavalier County bridge was built in 1977.
- The busiest poor-rated bridge is Nd Highway 1 over Creek (built 1931), carrying about 490 vehicles a day.
Good 23.1% · Fair 47.7% · Poor 29.2% of 65 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 1 over Creek | 1931 | 490 | Poor |
| County Highway over Park River | 1978 | 50 | Poor |
| County Highway over Creek | 1975 | 35 | Poor |
| County Highway over South Branch Park River | 1938 | 25 | Poor |
| County Highway over Little So. Pembina River | 1958 | 24 | Poor |
| County Highway over Park River | 1982 | 24 | Poor |
| County Highway over North Branch Park River | 1938 | 24 | Poor |
| County Highway over Little So. Pembina River | 1958 | 15 | Poor |
| County Highway over Pembina River | 1919 | 15 | Poor |
| County Highway over Creek | 1975 | 15 | Poor |
| County Trail over Creek | 1959 | 10 | Poor |
| County Highway over Little So. Pembina River | 1954 | 10 | Poor |
| County Trail over South Branch Park River | 1948 | 10 | Poor |
| County Trail over Creek | 1950 | 10 | Poor |
| County Highway over Tongue River | 1938 | 10 | Poor |
| Trail over Cypress Creek | 1950 | 2 | Poor |
| County Trail over Creek | 1949 | 2 | Poor |
| County Trail over Creek | 1955 | 2 | Poor |
| County Highway over Creek | 1953 | 2 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Nd Highway 5 over Creek | 1929 | 1,200 | Fair |
| Nd Highway over Creek | 1929 | 810 | Fair |
| Nd Highway 5 over Tongue River | 1974 | 670 | Fair |
| Nd Highway 5 over Tongue River | 1953 | 630 | Fair |
| Nd Highway 1 over Creek | 1931 | 490 | Poor |
| Nd Highway 66 over North Branch Park River | 1963 | 390 | Fair |
| County Highway over Tongue River | 1980 | 330 | Good |
| County Highway over Creek | 2018 | 330 | Fair |
| Nd Highway 1 over Little So. Pembina River | 1980 | 310 | Fair |
| Nd Highway 66 over South Branch Park River | 1973 | 260 | 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.