US 285 Ml over Chalk Creek
Fair Condition61 years old9,000 vehicles/day
Location
| State | Colorado |
| County | Chaffee |
| Location | 0.2 Mi S. Of Nathrop |
| Carries | US 285 Ml |
| Crosses | Chalk Creek |
| Coordinates | 38.74008, -106.08337 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 21.0 ft (6.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 122.4 ft (37.3 m) |
| Deck Area | 238.7 sq m |
| Main Spans | 2 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 9,000 (2020) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | J-12-B |