Sd030 over I029
Fair Condition56 years old1,620 vehicles/day
Location
| State | South Dakota |
| County | Brookings |
| Location | Sd 30 Interchange |
| Carries | Sd030 |
| Crosses | I029 |
| Coordinates | 44.42714, -96.75617 |
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 | 278.9 ft (85 m) |
| Max Span | 105.0 ft (32 m) |
| Deck Width | 46.6 ft (14.2 m) |
| Deck Area | 1,207 sq m |
| Main Spans | 2 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 1,620 (2024) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000006185080 |