257th Street over Trib To Split Rock Ck
Fair Condition88 years old19 vehicles/day
Location
| State | South Dakota |
| County | Minnehaha |
| Location | 4s & 0.5e Garretson |
| Carries | 257th Street |
| Crosses | Trib To Split Rock Ck |
| Coordinates | 43.65961, -96.50129 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 5 (Fair) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 24.6 ft (7.5 m) |
| Max Span | 12.8 ft (3.9 m) |
| Deck Area | 54.8 sq m |
| Main Spans | 2 |
| Year Built | 1938 |
Traffic
| Avg Daily Traffic | 19 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 622 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000050315130 |