US 491 Ml over Alkali Creek
Poor Condition89 years old3,400 vehicles/day
Location
| State | Colorado |
| County | Dolores |
| Location | 1.5 Miles NW Cahone |
| Carries | US 491 Ml |
| Crosses | Alkali Creek |
| Coordinates | 37.67575, -108.81601 |
Condition Ratings
| Overall Condition | Poor |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 4 (Poor) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 28.9 ft (8.8 m) |
| Max Span | 14.1 ft (4.3 m) |
| Deck Width | 87.9 ft (26.8 m) |
| Deck Area | 235.8 sq m |
| Main Spans | 2 |
| Year Built | 1937 (reconstructed 1960) |
Traffic
| Avg Daily Traffic | 3,400 (2020) |
| Truck Traffic | 22% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | N-01-A |