231 ST over Ck
Fair Condition86 years old55 vehicles/day
Location
| State | South Dakota |
| County | Lake |
| Location | 2n & 3.2w Madison |
| Carries | 231 ST |
| Crosses | Ck |
| Coordinates | 44.03655, -97.17289 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 26.9 ft (8.2 m) |
| Max Span | 7.9 ft (2.4 m) |
| Deck Area | 45.1 sq m |
| Main Spans | 3 |
| Year Built | 1940 |
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 | 000000040098110 |