US 550 Ml over Wild Cat Creek
Ouray County, Colorado · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 550 Ml over Wild Cat Creek in Ouray 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 1995, making it 30 years old at the 2025 inventory.
- It carries about 8,400 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 22 of the 39 inventoried bridges in Ouray County rated fair (56.4%); 1 (2.6%) 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 → (38.32766, -107.78013)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 38 ft |
| Location | 10 Mi S of Montrose |
| NBI structure number | K-05-BU |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Ouray County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 550 Ml over Chaffee Gulch | 1975 | 8,300 | Good |
| US 550 Ml over Uncomphagre River | 1989 | 8,300 | Good |
| US 550 Ml over Wildlife Crossing | 2011 | 8,300 | Good |
| US 550 Ml over Cow Creek | 1979 | 8,300 | Fair |
| SH 62 Ml over Uncompahgre River | 2013 | 6,600 | Good |
| US 550 Ml over Cutler Creek | 1938 | 4,800 | Fair |
All bridges nearby: Ouray County, CO bridge conditions · every bridge in Ouray County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.