Thunder Butte Road over Thunder Butte Ck
Fair Condition57 years old143 vehicles/day
Location
| State | South Dakota |
| County | Ziebach |
| Location | 12 N 5 W Dupree |
| Carries | Thunder Butte Road |
| Crosses | Thunder Butte Ck |
| Coordinates | 45.22534, -101.70926 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 184.1 ft (56.1 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 30.2 ft (9.2 m) |
| Deck Area | 516.1 sq m |
| Main Spans | 3 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 143 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000069150171 |