Sd Route 87 over Sd Route 87
Fair Condition86 years old326 vehicles/day
Location
| State | South Dakota |
| County | Custer |
| Location | On Sd Route 87 Mp 43.1; |
| Carries | Sd Route 87 |
| Crosses | Sd Route 87 |
| Coordinates | 43.60131, -103.49428 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 77.1 ft (23.5 m) |
| Max Span | 41.0 ft (12.5 m) |
| Deck Width | 21.7 ft (6.6 m) |
| Deck Area | 155.1 sq m |
| Main Spans | 3 |
| Year Built | 1940 (reconstructed 2007) |
Traffic
| Avg Daily Traffic | 326 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | National Park Service |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 1560003P0000000 |