Bridge conditions in Mesa County, Colorado
321 inventoried bridges · 6 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 321 bridges in Mesa County: 105 rated good, 210 fair, and 6 poor.
- 6 of the 321 bridges in Mesa County, Colorado, are rated in poor condition (1.9%) in the 2025 National Bridge Inventory, as of .
- 105 bridges (32.7%) are rated good and 210 (65.4%) fair.
- The median Mesa County bridge was built in 1982.
- The busiest poor-rated bridge is SH 141 Ml over Colorado River (built 1968), carrying about 8,300 vehicles a day.
Good 32.7% · Fair 65.4% · Poor 1.9% of 321 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 |
|---|---|---|---|
| SH 141 Ml over Colorado River | 1968 | 8,300 | Poor |
| US 6 Ml over Colorado River | 1949 | 2,900 | Poor |
| I 70 Frontage Rd over Adobe Creek SR | 1969 | 2,532 | Poor |
| US 6 Ml over Colorado River | 1945 | 1,200 | Poor |
| I.9 Road over Local Drainage | 1901 | 309 | Poor |
| County Road M.80 over West Salt Wash | 1931 | 131 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| 25 Road over Rvrsd Pw Ind Av UPRR | 2009 | 40,819 | Good |
| I 70 Business Rt over Leach Creek | 1968 | 26,000 | Fair |
| Patterson Road over Grand Valley Canal | 1985 | 24,727 | Fair |
| I 70 Ml over Indian Wash | 1964 | 22,000 | Fair |
| I 70 Ml over Lewis Gulch | 1964 | 22,000 | Fair |
| I 70 Ml over Horsethief Creek | 1980 | 18,000 | Fair |
| I 70 Ml over Draw | 1951 | 18,000 | Fair |
| I 70 Ml over US 6 Ml UPRR Colo River | 1962 | 18,000 | Fair |
| I 70 Ml over Rapid Creek | 1963 | 18,000 | Fair |
| 29 Road over RR/I70 Business | 2010 | 17,784 | Good |
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.