Sd Route 87 over Wash
Fair Condition70 years old326 vehicles/day
Location
| State | South Dakota |
| County | Custer |
| Location | On Sd Route 87 Mp 46.3; |
| Carries | Sd Route 87 |
| Crosses | Wash |
| Coordinates | 43.63647, -103.47902 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 20.7 ft (6.3 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 61.7 sq m |
| Main Spans | 2 |
| Year Built | 1956 |
Traffic
| Avg Daily Traffic | 326 (2022) |
| Truck Traffic | 2% |
| Lanes On 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 | 1560002P0000000 |