Bridge conditions in Pembina County, North Dakota
203 inventoried bridges · 47 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Of the 203 Pembina County bridges in the federal inventory, 47 carry a poor rating. That 23.2% share is roughly 3x the national average.
- 47 of the 203 bridges in Pembina County, North Dakota, are rated in poor condition (23.2%) in the 2025 National Bridge Inventory, as of .
- 40 bridges (19.7%) are rated good and 116 (57.1%) fair.
- The median Pembina County bridge was built in 1967.
- The busiest poor-rated bridge is Interstate 29 over Drain Ditch #39 (built 1958), carrying about 2,850 vehicles a day.
Good 19.7% · Fair 57.1% · Poor 23.2% of 203 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 Drain Ditch #39 | 1958 | 2,850 | Poor |
| City Street over Tongue River | 1907 | 397 | Poor |
| County Highway over Willow Creek | 1950 | 240 | Poor |
| County Highway 12 over Drain Ditch | 1967 | 167 | Poor |
| County Highway over Cart Creek | 1927 | 120 | Poor |
| County Highway over Tongue River | 1967 | 108 | Poor |
| County Road over Creek | 1977 | 59 | Poor |
| County Highway over Tongue River | 1964 | 59 | Poor |
| County Highway over Creek | 1949 | 59 | Poor |
| County Highway over Tongue River | 1955 | 27 | Poor |
| County Road over Creek | 1979 | 27 | Poor |
| County Road over Cart Creek | 1977 | 27 | Poor |
| County Highway over Drain Ditch | 1964 | 27 | Poor |
| County Highway over Drain Ditch | 1973 | 27 | Poor |
| County Road over Tongue River | 1948 | 26 | Poor |
| County Road over Creek | 1980 | 25 | Poor |
| County Highway over Drain Ditch | 1982 | 25 | Poor |
| County Highway over North Fork Park River | 1976 | 24 | Poor |
| County Road over North Branch Park River | 1960 | 24 | Poor |
| County Road over Ditch | 1960 | 24 | Poor |
| County Road over Willow Creek | 1979 | 24 | Poor |
| County Road over Drain Ditch | 1950 | 24 | Poor |
| County Highway over Willow Creek | 1968 | 24 | Poor |
| County Road over Creek | 1977 | 24 | Poor |
| County Road over Creek | 1966 | 24 | Poor |
| County Road over Tongue River | 1921 | 24 | Poor |
| County Highway over Drain Ditch | 1976 | 24 | Poor |
| County Road over Ditch | 1976 | 24 | Poor |
| County Road over Rosebud Creek | 1955 | 20 | Poor |
| County Highway over Willow Creek | 1956 | 15 | Poor |
| County Highway over Creek | 1930 | 10 | Poor |
| County Trail over Tongue River | 1958 | 10 | Poor |
| County Highway over North Fork Park River | 1942 | 10 | Poor |
| County Highway over North Fork Park River | 1954 | 10 | Poor |
| County Trail over Drain Ditch | 1965 | 10 | Poor |
| County Trail over Rosebud Creek | 1965 | 10 | Poor |
| County Highway over Creek | 1950 | 10 | Poor |
| County Highway over Creek | 1946 | 10 | Poor |
| County Highway over Drain Ditch | 1980 | 10 | Poor |
| County Trail over Willow Creek | 1960 | 5 | Poor |
| County Road over Willow Creek | 1965 | 5 | Poor |
| County Road over Creek | 1955 | 5 | Poor |
| County Highway over Rosebud Coulee | 1968 | 5 | Poor |
| County Trail over Auger Coulee | 1950 | 5 | Poor |
| County Highway over Ditch | 1935 | 5 | Poor |
| County Road over North Fork Park River | 1988 | 2 | Poor |
| County Road over Tongue River | 1917 | 2 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Interstate 29 over Drainage Ditch | 2021 | 3,825 | Good |
| Nd Highway 5 over Tongue River | 1996 | 3,640 | Fair |
| Interstate 29 over Legal Drain #64 | 2023 | 3,295 | Good |
| Interstate 29 over Drain Ditch #39 | 1958 | 2,850 | Poor |
| Nd Highway 66 over I-29/DRAYTON Interchange | 1959 | 1,830 | Fair |
| US 81 & Nd 5 over I-29/JOLIETTE Int | 1959 | 1,830 | Fair |
| Nd Highway 32 over Pembina River | 1989 | 1,680 | Good |
| Nd Highway 5 over Tongue River | 1988 | 1,640 | Good |
| Nd Highway 66 over Red River of the North | 2010 | 1,538 | Fair |
| Interstate 29 over Drainage Ditch | 2004 | 1,475 | Good |
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.