Us085 over I090
Fair Condition55 years old4,211 vehicles/day
Location
| State | South Dakota |
| County | Lawrence |
| Location | US 85 Interchange |
| Carries | Us085 |
| Crosses | I090 |
| Coordinates | 44.52025, -103.86413 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 330.7 ft (100.8 m) |
| Max Span | 106.0 ft (32.3 m) |
| Deck Width | 86.6 ft (26.4 m) |
| Deck Area | 2661.1 sq m |
| Main Spans | 4 |
| Year Built | 1971 (reconstructed 2011) |
Traffic
| Avg Daily Traffic | 4,211 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000041095059 |