Bridge conditions in Richland County, North Dakota
196 inventoried bridges · 24 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 8 bridges in Richland County is rated in poor condition: 24 of 196 on the federal inventory, one of the higher shares in North Dakota.
- 24 of the 196 bridges in Richland County, North Dakota, are rated in poor condition (12.2%) in the 2025 National Bridge Inventory, as of .
- 70 bridges (35.7%) are rated good and 102 (52.0%) fair.
- The median Richland County bridge was built in 1974.
- The busiest poor-rated bridge is County Highway over Sheyenne River (built 1917), carrying about 20 vehicles a day.
Good 35.7% · Fair 52.0% · Poor 12.2% of 196 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.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Nd Highway 13 over Bois De Sioux River | 1929 | 15,200 | Fair |
| Nd Highway 13 over Drain 18 | 1973 | 6,300 | Fair |
| Interstate 29 over County Drain 2 | 1973 | 5,600 | Good |
| Interstate 29 over County Drain | 1973 | 5,600 | Good |
| Nd Highway 13 over Small Creek | 1973 | 5,530 | Fair |
| Nd Highway 13 over Creek | 1973 | 5,170 | Good |
| Interstate 29 over County Drain 32 | 1973 | 5,100 | Good |
| Interstate 29 over County Drain 28 | 1973 | 5,100 | Good |
| Nd Highway 13 over Antelope Creek | 1973 | 4,820 | Fair |
| Interstate 29 over Branch of Antelope Creek | 1973 | 4,650 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
Every bridge in Richland County → - all 196, busiest first, each with its own condition record.
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.