Bridge conditions in Grand Forks County, North Dakota
337 inventoried bridges · 36 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Grand Forks County has 36 bridges rated poor out of 337 inventoried, a 10.7% share that puts it well above the national rate of about 7%.
- 36 of the 337 bridges in Grand Forks County, North Dakota, are rated in poor condition (10.7%) in the 2025 National Bridge Inventory, as of .
- 105 bridges (31.2%) are rated good and 196 (58.2%) fair.
- The median Grand Forks County bridge was built in 1973.
- The busiest poor-rated bridge is Interstate 29 over ND297/DEMERS Ave Int-gf (built 1968), carrying about 8,200 vehicles a day.
Good 31.2% · Fair 58.2% · Poor 10.7% of 337 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 ND297/DEMERS Ave Int-gf | 1968 | 8,200 | Poor |
| US Highway 81 over Creek | 2006 | 2,820 | Poor |
| County Highway over Cole Creek | 1950 | 180 | Poor |
| County Road over Turtle River | 1964 | 100 | Poor |
| County Highway over So. Branch Turtle River | 1966 | 95 | Poor |
| County Highway over Creek | 1946 | 70 | Poor |
| County Highway over Creek | 2002 | 45 | Poor |
| County Highway over So Branch Forest River | 1950 | 40 | Poor |
| County Road over N Branch Turtle River | 1991 | 40 | Poor |
| County Highway over Turtle River | 1913 | 40 | Poor |
| County Highway over Salt Water Coulee | 1958 | 40 | Poor |
| County Highway over Morias River | 1926 | 40 | Poor |
| County Highway over Creek | 1975 | 35 | Poor |
| County Road over Turtle River | 1966 | 35 | Poor |
| County Highway over Drain Ditch | 1961 | 30 | Poor |
| County Highway over Creek | 1981 | 30 | Poor |
| County Highway over Creek | 1949 | 30 | Poor |
| County Road over Forest River | 1959 | 30 | Poor |
| County Highway over Creek | 1959 | 30 | Poor |
| County Road over N. Branch Turtle River | 1951 | 25 | Poor |
| County Road over Creek | 1951 | 25 | Poor |
| County Road over N Branch Turtle River | 1962 | 25 | Poor |
| County Highway over Drain Ditch | 1969 | 25 | Poor |
| County Highway over Drain Ditch | 1954 | 25 | Poor |
| County Highway over Turtle River | 1958 | 25 | Poor |
| County Highway over Drain Ditch | 1960 | 24 | Poor |
| County Highway over Drain No. 2 | 1975 | 24 | Poor |
| County Highway over South Marias River | 1926 | 24 | Poor |
| County Highway over Creek | 1920 | 24 | Poor |
| County Highway over Creek | 1950 | 20 | Poor |
| County Highway over Coulee | 1960 | 20 | Poor |
| County Highway over Creek | 1951 | 5 | Poor |
| County Highway over Creek | 1949 | 5 | Poor |
| Park Road over Turtle River | 1910 | 5 | Poor |
| Approach Drive over Drain Ditch | 1954 | 2 | Poor |
| Field Drive over English Coulee Drain | 1919 | 1 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US Highway 2 over Red River of the North | 1963 | 21,500 | Fair |
| US Highway 2 over English Coulee | 1988 | 20,450 | Good |
| Columbia Road over Demers Ave & Bnrr | 1984 | 19,000 | Fair |
| Nd 297/DEMERS Ave over Bnrr-city Street | 1972 | 18,500 | Fair |
| Interstate 29 over English Coulee | 1967 | 16,700 | Fair |
| Nd Highway 297 over English Coulee | 1970 | 14,000 | Fair |
| Interstate 29 over County Drain 11 | 2024 | 13,240 | Good |
| US Highway 81 over I29/32ND Avenue Intercha | 1967 | 13,000 | Fair |
| US 2 Business Loop over Red River of the North | 1929 | 12,600 | Fair |
| University Avenue over English Coulee | 1985 | 11,625 | 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.