Sd240 over I090
Fair Condition52 years old1,154 vehicles/day
Location
| State | South Dakota |
| County | Jackson |
| Location | Cactus Flat Interchange |
| Carries | Sd240 |
| Crosses | I090 |
| Coordinates | 43.84086, -101.89967 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 307.1 ft (93.6 m) |
| Max Span | 83.0 ft (25.3 m) |
| Deck Width | 46.6 ft (14.2 m) |
| Deck Area | 1329.1 sq m |
| Main Spans | 4 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 1,154 (2024) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 325 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000036120107 |