IRR Sd063 over Rudy Ck Tributary
Fair Condition32 years old590 vehicles/day
Location
| State | South Dakota |
| County | Ziebach |
| Location | 9.4 S Dewey Co Line |
| Carries | IRR Sd063 |
| Crosses | Rudy Ck Tributary |
| Coordinates | 44.85705, -101.27854 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| 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 | 69.3 sq m |
| Main Spans | 2 |
| Year Built | 1994 |
Traffic
| Avg Daily Traffic | 590 (2024) |
| Truck Traffic | 8% |
| 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 | 000000069360425 |