Bridge conditions in Traill County, North Dakota
147 inventoried bridges · 26 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Of the 147 Traill County bridges in the federal inventory, 26 carry a poor rating. That 17.7% share is roughly 3x the national average.
- 26 of the 147 bridges in Traill County, North Dakota, are rated in poor condition (17.7%) in the 2025 National Bridge Inventory, as of .
- 46 bridges (31.3%) are rated good and 75 (51.0%) fair.
- The median Traill County bridge was built in 1970.
- The busiest poor-rated bridge is Interstate 29 over Goose River (built 1970), carrying about 4,550 vehicles a day.
Good 31.3% · Fair 51.0% · Poor 17.7% of 147 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 |
|---|---|---|---|
| Interstate 29 over Goose River | 1970 | 4,550 | Poor |
| Interstate 29 over Goose River | 1970 | 4,550 | Poor |
| Nd Highway 200 over Goose River | 1977 | 2,010 | Poor |
| Nd Highway 200 over Intermittent Stream | 1971 | 1,970 | Poor |
| County Highway over Red River of the North | 1957 | 340 | Poor |
| County Highway over Red River of the North | 1939 | 270 | Poor |
| County Highway over Red River of the North | 1952 | 260 | Poor |
| County Highway over Goose River | 1934 | 200 | Poor |
| County Highway over Creek | 1950 | 65 | Poor |
| County Highway over N. Mayville Drain No. 8 | 1967 | 50 | Poor |
| County Highway over Elm River | 1940 | 40 | Poor |
| County Highway over North Branch Goose River | 1930 | 20 | Poor |
| County Highway over North Branch Goose River | 1991 | 20 | Poor |
| County Highway over North Branch Goose River | 1937 | 20 | Poor |
| County Highway over Miller Drain No. 29 | 1920 | 20 | Poor |
| County Highway over Goose River | 1912 | 20 | Poor |
| County Highway over Intermittent Stream | 1920 | 20 | Poor |
| County Highway over Elm River | 1979 | 20 | Poor |
| County Highway over North Branch Elm River | 1950 | 20 | Poor |
| County Highway over Buffalo Coulee | 1950 | 20 | Poor |
| County Highway over North Branch Elm River | 1966 | 20 | Poor |
| County Highway over North Branch Goose River | 1950 | 10 | Poor |
| County Highway over Creek | 1930 | 10 | Poor |
| County Highway over Nelson Drain No. 28 | 1936 | 10 | Poor |
| County Highway over Elm River | 1930 | 10 | Poor |
| County Highway over Elm River | 1965 | 5 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Interstate 29 over North Branch Elm River | 2021 | 11,635 | Good |
| Interstate 29 over Buffalo Coulee | 1969 | 9,400 | Good |
| Interstate 29 over Branch of Buffalo Coulee | 1969 | 9,100 | Good |
| Interstate 29 over Branch of Buffalo Coulee | 1969 | 9,100 | Good |
| Nd Highway 18 over Goose River | 1966 | 4,800 | Fair |
| Interstate 29 over Goose River | 1970 | 4,550 | Poor |
| Interstate 29 over Goose River | 1970 | 4,550 | Poor |
| Interstate 29 over BNSF Separation | 1969 | 4,550 | Fair |
| Interstate 29 over BNSF Separation | 1969 | 4,550 | Fair |
| Interstate 29 over South Branch Elm River | 1970 | 4,350 | 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.