Bridge conditions in Pennington County, Minnesota
49 inventoried bridges · 1 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Pennington County tracks close to typical: 1 of its 49 inventoried bridges (2.0%) are rated poor, against a national rate of about 7%.
- 1 of the 49 bridges in Pennington County, Minnesota, are rated in poor condition (2.0%) in the 2025 National Bridge Inventory, as of .
- 37 bridges (75.5%) are rated good and 11 (22.4%) fair.
- The median Pennington County bridge was built in 1994.
- The busiest poor-rated bridge is CR 52 over Black River (built 1965), carrying about 35 vehicles a day.
Good 75.5% · Fair 22.4% · Poor 2.0% of 49 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 |
|---|---|---|---|
| CR 52 over Black River | 1965 | 35 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 59 over Red Lake River | 1934 | 9,400 | Fair |
| Msas 115 over Red Lake River | 2009 | 6,900 | Fair |
| Mn 1 over Thief River | 1956 | 5,800 | Fair |
| Msas 111 over Red Lake River | 1950 | 5,200 | Fair |
| Mn 32 over Ditch | 1928 | 2,500 | Fair |
| Csah 3 over Red Lake River | 1962 | 2,100 | Fair |
| Csah 3 over Cd # 96 | 1956 | 1,950 | Good |
| Csah 3 over Black River | 1955 | 1,950 | Good |
| Csah 7 over Red Lake River | 1970 | 940 | Fair |
| Mn 219 over Jud Ditch # 13 | 2017 | 890 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Minnesota: Minnesota 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.