I090 W over American Crow Ck
Good Condition54 years old3,720 vehicles/day
Location
| State | South Dakota |
| County | Lyman |
| Location | 0.9 W Oacoma Interch |
| Carries | I090 W |
| Crosses | American Crow Ck |
| Coordinates | 43.80599, -99.41093 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 217.8 ft (66.4 m) |
| Max Span | 87.9 ft (26.8 m) |
| Deck Width | 40.7 ft (12.4 m) |
| Deck Area | 823.4 sq m |
| Main Spans | 3 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 3,720 (2024) |
| Truck Traffic | 29% |
| 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 | 000000043476268 |