IRR Us012 over Ck
Good Condition35 years old391 vehicles/day
Location
| State | South Dakota |
| County | Corson |
| Location | 2.0 W Jct Sd 63 |
| Carries | IRR Us012 |
| Crosses | Ck |
| Coordinates | 45.82955, -100.85838 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 20.7 ft (6.3 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 76.9 sq m |
| Main Spans | 2 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 391 (2024) |
| Truck Traffic | 32% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000016562082 |