Bridge conditions in Ransom County, North Dakota
35 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Of the 35 Ransom County bridges in the federal inventory, 4 carry a poor rating. That 11.4% share is roughly 2x the national average.
- 4 of the 35 bridges in Ransom County, North Dakota, are rated in poor condition (11.4%) in the 2025 National Bridge Inventory, as of .
- 20 bridges (57.1%) are rated good and 11 (31.4%) fair.
- The median Ransom County bridge was built in 1979.
- The busiest poor-rated bridge is County Highway over Sheyenne River (built 1920), carrying about 24 vehicles a day.
Good 57.1% · Fair 31.4% · Poor 11.4% of 35 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 Sheyenne River | 1920 | 24 | Poor |
| County Highway over Sheyenne River | 1907 | 24 | Poor |
| County Highway over Sheyenne River | 1915 | 24 | Poor |
| County Highway over Sheyenne River | 1915 | 24 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Nd Highway 32 over Timber Coulee | 1950 | 2,960 | Fair |
| Nd Highway 27 over Sheyenne River | 1953 | 2,380 | Good |
| Nd Highway 32 over Sheyenne River | 1936 | 2,350 | Fair |
| Nd Highway 46 over Cp Railway | 1994 | 1,970 | Good |
| Nd Highway 46 over Maple River | 1994 | 1,900 | Good |
| Nd Highway 32 over Dead Colt Creek | 1991 | 1,850 | Fair |
| Nd Highway 46 over Maple River | 1981 | 1,200 | Good |
| Nd Highway 32 over Creek | 1980 | 1,170 | Good |
| County Highway over Sheyenne River | 1974 | 750 | Fair |
| Nd Highway 27 over Sheyenne River | 1954 | 660 | 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.