I090 E over 312 AVE
Fair Condition56 years old3,839 vehicles/day
Location
| State | South Dakota |
| County | Lyman |
| Location | 6 E US 183 Interch |
| Carries | I090 E |
| Crosses | 312 AVE |
| Coordinates | 43.89724, -99.92548 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 106.0 ft (32.3 m) |
| Max Span | 38.1 ft (11.6 m) |
| Deck Width | 40.7 ft (12.4 m) |
| Deck Area | 400.5 sq m |
| Main Spans | 3 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 3,839 (2024) |
| Truck Traffic | 27% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000043220206 |