I029 S over Big Sioux Rv
Good Condition36 years old18,090 vehicles/day
Location
| State | South Dakota |
| County | Union |
| Location | At Iowa State Line |
| Carries | I029 S |
| Crosses | Big Sioux Rv |
| Coordinates | 42.49543, -96.47816 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 557.1 ft (169.8 m) |
| Max Span | 225.1 ft (68.6 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 2207.4 sq m |
| Main Spans | 3 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 18,090 (2024) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000064164405 |