I029 S over River Drive
Good Condition45 years old9,870 vehicles/day
Location
| State | South Dakota |
| County | Union |
| Location | N Sioux City Interchange |
| Carries | I029 S |
| Crosses | River Drive |
| Coordinates | 42.52485, -96.49960 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 126.0 ft (38.4 m) |
| Max Span | 51.2 ft (15.6 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 499.2 sq m |
| Main Spans | 3 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 9,870 (2024) |
| Truck Traffic | 23% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000064154385 |