US 491ML over Yellow Jacket Creek
Montezuma County, Colorado · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 491ML over Yellow Jacket Creek in Montezuma County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1962, making it 63 years old at the 2025 inventory.
- It carries about 3,900 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 41 of the 60 inventoried bridges in Montezuma County rated fair (68.3%); 5 (8.3%) 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 → (37.51933, -108.69962)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 5 | Fair condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 32 ft |
| Location | 13.8 Mi NW of Jct US 160 |
| NBI structure number | N-02-B |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Montezuma County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Irr# US 160 Ml over Mc Elmo Creek | 1958 | 9,400 | Fair |
| US 160 Ml over Mc Elmo Creek | 1969 | 6,700 | Fair |
| US 160 Ml over Mancos River | 1958 | 6,000 | Fair |
| SH 145 Ml over Dolores River | 1972 | 4,300 | Fair |
| Irr# US 491 Ml over Mancos River | 1959 | 4,000 | Fair |
| Irr# US 491 Ml over Indian Creek | 1959 | 4,000 | Fair |
All bridges nearby: Montezuma County, CO bridge conditions · every bridge in Montezuma County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.