Sd240 over Big Buffalo Ck
Fair Condition74 years old1,145 vehicles/day
Location
| State | South Dakota |
| County | Jackson |
| Location | 1 S Cactus Flat |
| Carries | Sd240 |
| Crosses | Big Buffalo Ck |
| Coordinates | 43.82333, -101.90020 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 117.1 ft (35.7 m) |
| Max Span | 23.3 ft (7.1 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 374.9 sq m |
| Main Spans | 5 |
| Year Built | 1952 |
Traffic
| Avg Daily Traffic | 1,145 (2024) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 223 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000036119118 |