I090 E over Sd090 L
Good Condition55 years old4,382 vehicles/day
Location
| State | South Dakota |
| County | Lyman |
| Location | Oacoma Interchange |
| Carries | I090 E |
| Crosses | Sd090 L |
| Coordinates | 43.80086, -99.39494 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 194.9 ft (59.4 m) |
| Max Span | 74.1 ft (22.6 m) |
| Deck Width | 40.7 ft (12.4 m) |
| Deck Area | 736.6 sq m |
| Main Spans | 3 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 4,382 (2024) |
| Truck Traffic | 25% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 123 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000043485273 |