Mystic Road over Castle Ck
Fair Condition46 years old128 vehicles/day
Location
| State | South Dakota |
| County | Pennington |
| Location | 0.5 S Mystic |
| Carries | Mystic Road |
| Crosses | Castle Ck |
| Coordinates | 44.07199, -103.64161 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 25.9 ft (7.9 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 64.8 sq m |
| Main Spans | 1 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 128 (2022) |
| Truck Traffic | 7% |
| 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 | 000000052206308 |