Dark Canyon Road over Rapid Ck
Fair Condition54 years old262 vehicles/day
Location
| State | South Dakota |
| County | Pennington |
| Location | 1.3w 0.9s Fish Hatch |
| Carries | Dark Canyon Road |
| Crosses | Rapid Ck |
| Coordinates | 44.04489, -103.32677 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 69.9 ft (21.3 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 174.7 sq m |
| Main Spans | 2 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 262 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000052363326 |