US 6M Ml over Horsethief Creek [N] SR
Mesa County, Colorado · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 6M Ml over Horsethief Creek [N] SR in Mesa County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1980, making it 45 years old at the 2025 inventory.
- It carries about 1,200 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 210 of the 321 inventoried bridges in Mesa County rated fair (65.4%); 6 (1.9%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (39.33234, -108.19693)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 43 ft |
| Location | Just E. of Debeque Interc |
| NBI structure number | G-04-AZ |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Mesa 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 |
All bridges nearby: Mesa County, CO bridge conditions · every bridge in Mesa County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.