US 285 SR over Chalk Creek
Fair Condition94 years old7,553 vehicles/day
Location
| State | Colorado |
| County | Chaffee |
| Location | At Nathrop |
| Carries | US 285 SR |
| Crosses | Chalk Creek |
| Coordinates | 38.74160, -106.08280 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 62.0 ft (18.9 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 28.5 ft (8.7 m) |
| Deck Area | 164.4 sq m |
| Main Spans | 1 |
| Year Built | 1932 |
Traffic
| Avg Daily Traffic | 7,553 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | J-12-H |