IRR BIA RTE 6 over Ash Creek
Good Condition58 years old814 vehicles/day
Location
| State | South Dakota |
| County | Ziebach |
| Location | 19km West Of Cherry Creek |
| Carries | IRR BIA RTE 6 |
| Crosses | Ash Creek |
| Coordinates | 44.69512, -101.66238 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 105.3 ft (32.1 m) |
| Max Span | 42.3 ft (12.9 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 298.5 sq m |
| Main Spans | 3 |
| Year Built | 1968 (reconstructed 2005) |
Traffic
| Avg Daily Traffic | 814 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | Bureau of Indian Affairs |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 00000000000A015 |