Bridge conditions in Gunnison County, Colorado
101 inventoried bridges · 5 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Gunnison County tracks close to typical: 5 of its 101 inventoried bridges (5.0%) are rated poor, against a national rate of about 7%.
- 5 of the 101 bridges in Gunnison County, Colorado, are rated in poor condition (5.0%) in the 2025 National Bridge Inventory, as of .
- 24 bridges (23.8%) are rated good and 72 (71.3%) fair.
- The median Gunnison County bridge was built in 1986.
- The busiest poor-rated bridge is Co Rd 10 over Gunnison River (built 1973), carrying about 211 vehicles a day.
Good 23.8% · Fair 71.3% · Poor 5.0% of 101 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 |
|---|---|---|---|
| Co Rd 10 over Gunnison River | 1973 | 211 | Poor |
| County Road 16 over Gunnison R. Diver. Canal | 1950 | 74 | Poor |
| Co Rd 7 over Ohio Creek | 1942 | 45 | Poor |
| County Road 749 over East River Diver. Canal | 1950 | 16 | Poor |
| Fdr 314 over N Fk Crystal Rv | 1970 | 5 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SH 135 Ml over Gunnison River | 1950 | 7,400 | Fair |
| SH 135 Ml over Slate River | 1995 | 7,200 | Fair |
| SH 135 Ml over Slate River | 1995 | 7,200 | Fair |
| US 50 Ml over Gunnison River | 1957 | 6,200 | Fair |
| US 50 Ml over Gunnison River | 1957 | 6,200 | Fair |
| Co Rd 317 over Slate River | 1983 | 5,823 | Fair |
| SH 135 Ml over East River | 1975 | 5,100 | Fair |
| Co Rd 740 over East River | 1998 | 3,622 | Fair |
| SH 135 Ml over East River | 1975 | 3,600 | Fair |
| US 50 Ml over Lake Fk Gunnsion River | 1963 | 3,000 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Colorado: Colorado 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.