I090 Wf over Big Ck
Good Condition55 years old85 vehicles/day
Location
| State | South Dakota |
| County | Lyman |
| Location | 2.1 W Oacoma Interch |
| Carries | I090 Wf |
| Crosses | Big Ck |
| Coordinates | 43.81716, -99.43001 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 93.2 ft (28.4 m) |
| Max Span | 33.1 ft (10.1 m) |
| Deck Width | 22.6 ft (6.9 m) |
| Deck Area | 196.0 sq m |
| Main Spans | 3 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 85 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000043467261 |