Dark Canyon Road over Rapid Ck
Fair Condition54 years old262 vehicles/day
Location
| State | South Dakota |
| County | Pennington |
| Location | 2.1w 0.7s Fish Hatch |
| Carries | Dark Canyon Road |
| Crosses | Rapid Ck |
| Coordinates | 44.04737, -103.34219 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 109.9 ft (33.5 m) |
| Max Span | 48.9 ft (14.9 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 274.7 sq m |
| Main Spans | 3 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 262 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000052355324 |