190th Street over Big Sioux River
Fair Condition46 years old75 vehicles/day
Location
| State | South Dakota |
| County | Hamlin |
| Location | 7s & 2e Of Castlewood |
| Carries | 190th Street |
| Crosses | Big Sioux River |
| Coordinates | 44.63042, -96.98633 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 99.4 ft (30.3 m) |
| Max Span | 37.4 ft (11.4 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 303 sq m |
| Main Spans | 3 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 75 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000029250120 |