IRR Sd063 over Grand Rv
Fair Condition56 years old220 vehicles/day
Location
| State | South Dakota |
| County | Corson |
| Location | 11.3 S Of Mclaughlin |
| Carries | IRR Sd063 |
| Crosses | Grand Rv |
| Coordinates | 45.65845, -100.81777 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 503.9 ft (153.6 m) |
| Max Span | 140.1 ft (42.7 m) |
| Deck Width | 34.8 ft (10.6 m) |
| Deck Area | 1628.2 sq m |
| Main Spans | 4 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 220 (2024) |
| Truck Traffic | 23% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000016578202 |