Chance Road over Thunder Butte Ck
Fair Condition46 years old26 vehicles/day
Location
| State | South Dakota |
| County | Perkins |
| Location | 8.2e & 8.3s Bison |
| Carries | Chance Road |
| Crosses | Thunder Butte Ck |
| Coordinates | 45.41052, -102.28753 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 49.9 ft (15.2 m) |
| Max Span | 49.2 ft (15 m) |
| Deck Width | 23.0 ft (7 m) |
| Deck Area | 106.4 sq m |
| Main Spans | 1 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 26 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000053322373 |