Sd324 over I029
Fair Condition60 years old1,336 vehicles/day
Location
| State | South Dakota |
| County | Brookings |
| Location | Sd 324 Interchange |
| Carries | Sd324 |
| Crosses | I029 |
| Coordinates | 44.23908, -96.75670 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 253.9 ft (77.4 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 758.5 sq m |
| Main Spans | 4 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 1,336 (2024) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000006185210 |