Sd258 over Snow Ck
Good Condition61 years old798 vehicles/day
Location
| State | South Dakota |
| County | Aurora |
| Location | 0.3n Plankinton Interch |
| Carries | Sd258 |
| Crosses | Snow Ck |
| Coordinates | 43.70969, -98.48557 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 57.1 ft (17.4 m) |
| Deck Area | 163.6 sq m |
| Main Spans | 3 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 798 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 00000000215C155 |