Sd020 over Big Slough Ck
Fair Condition71 years old972 vehicles/day
Location
| State | South Dakota |
| County | Spink |
| Location | 2.1 W Jct US 281 |
| Carries | Sd020 |
| Crosses | Big Slough Ck |
| Coordinates | 45.15874, -98.55616 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 54.1 ft (16.5 m) |
| Max Span | 18.4 ft (5.6 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 173.2 sq m |
| Main Spans | 3 |
| Year Built | 1955 |
Traffic
| Avg Daily Traffic | 972 (2024) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000058079060 |