IRR I029 N over Burlington Northern Rr
Fair Condition47 years old3,650 vehicles/day
Location
| State | South Dakota |
| County | Roberts |
| Location | 0.6 S US 12 Interch |
| Carries | IRR I029 N |
| Crosses | Burlington Northern Rr |
| Coordinates | 45.30779, -97.05165 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 164.0 ft (50 m) |
| Max Span | 63.0 ft (19.2 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 650 sq m |
| Main Spans | 3 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 3,650 (2024) |
| Truck Traffic | 40% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000055085433 |