231 ST over East Fork Vermillion Rv
Poor Condition96 years old55 vehicles/day
Location
| State | South Dakota |
| County | Lake |
| Location | 2.3n & 1.2e Winfred |
| Carries | 231 ST |
| Crosses | East Fork Vermillion Rv |
| Coordinates | 44.03701, -97.33917 |
Condition Ratings
| Overall Condition | Poor |
| Channel/Waterway | 5 (Fair) |
| Culvert | 4 (Poor) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 21.0 ft (6.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 25.6 ft (7.8 m) |
| Deck Area | 49.9 sq m |
| Main Spans | 2 |
| Year Built | 1930 |
Traffic
| Avg Daily Traffic | 55 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000040015110 |