I090 E over Sd047
Fair Condition55 years old3,720 vehicles/day
Location
| State | South Dakota |
| County | Lyman |
| Location | Sd 47 Interchange |
| Carries | I090 E |
| Crosses | Sd047 |
| Coordinates | 43.84977, -99.56433 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 153.5 ft (46.8 m) |
| Max Span | 62.7 ft (19.1 m) |
| Deck Width | 40.7 ft (12.4 m) |
| Deck Area | 580.3 sq m |
| Main Spans | 3 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 3,720 (2024) |
| Truck Traffic | 29% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000043401238 |