Bridge conditions in Washington County, Minnesota
113 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
4 of the 113 bridges the federal inventory lists in Washington County are rated poor; the rest split 48 good and 61 fair.
- 4 of the 113 bridges in Washington County, Minnesota, are rated in poor condition (3.5%) in the 2025 National Bridge Inventory, as of .
- 48 bridges (42.5%) are rated good and 61 (54.0%) fair.
- The median Washington County bridge was built in 1997.
- The busiest poor-rated bridge is Csah 5 over Mz Ltd; Browns Creek (built 1967), carrying about 5,200 vehicles a day.
Good 42.5% · Fair 54.0% · Poor 3.5% of 113 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 |
|---|---|---|---|
| Csah 5 over Mz Ltd; Browns Creek | 1967 | 5,200 | Poor |
| M 232 over Clearwater Creek | 2004 | 525 | Poor |
| M 26 over Valley Creek | 1924 | 268 | Poor |
| M 62 over Hardwood Creek | 1920 | 61 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 494 over Mississippi R; UP RR | 2008 | 51,236 | Good |
| I 494 over Mississippi R; UP RR | 2003 | 51,236 | Fair |
| I 694 over I 94; Collector Roads | 2020 | 45,534 | Good |
| I 494 over Csah 25 (century Ave) | 1960 | 45,500 | Fair |
| I 694 over I 94; Collector Roads | 2019 | 43,894 | Good |
| I 94 over Th 95 | 1982 | 43,000 | Fair |
| Mn 36 over DNR Gateway Trail | 1987 | 40,818 | Good |
| I 494 over Maxwell Ave | 2003 | 40,000 | Good |
| I 494 over Cp; BNSF RR; Th 61 | 2003 | 40,000 | Fair |
| I 494 over Th 61 NB Off Ramp | 2003 | 40,000 | Good |
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.