Sd075 over Thunder Butte Ck
Good Condition32 years old192 vehicles/day
Location
| State | South Dakota |
| County | Perkins |
| Location | 0.2 N Jct Sd 20 |
| Carries | Sd075 |
| Crosses | Thunder Butte Ck |
| Coordinates | 45.53311, -102.64280 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 31.2 ft (9.5 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 104.5 sq m |
| Main Spans | 3 |
| Year Built | 1994 |
Traffic
| Avg Daily Traffic | 192 (2024) |
| Truck Traffic | 19% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 922 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000053150289 |