IRR Sd034 over Cheyenne Rv
Poor Condition64 years old567 vehicles/day
Location
| State | South Dakota |
| County | Haakon |
| Location | Ziebach Co Line |
| Carries | IRR Sd034 |
| Crosses | Cheyenne Rv |
| Coordinates | 44.52891, -101.93007 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 1204.1 ft (367 m) |
| Max Span | 140.1 ft (42.7 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 3596.6 sq m |
| Main Spans | 9 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 567 (2024) |
| Truck Traffic | 35% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000028035151 |