Sd049 over Black Dog Ck
Fair Condition62 years old371 vehicles/day
Location
| State | South Dakota |
| County | Tripp |
| Location | 0.3 SW Lyman Co Line |
| Carries | Sd049 |
| Crosses | Black Dog Ck |
| Coordinates | 43.64189, -99.62741 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 72.2 ft (22 m) |
| Max Span | 67.9 ft (20.7 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 215.6 sq m |
| Main Spans | 1 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 371 (2024) |
| Truck Traffic | 22% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000062308092 |