447 AVE over I090
Fair Condition62 years old25 vehicles/day
Location
| State | South Dakota |
| County | McCook |
| Location | 6 E US 81 Interch |
| Carries | 447 AVE |
| Crosses | I090 |
| Coordinates | 43.66674, -97.26817 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 253.9 ft (77.4 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 26.2 ft (8 m) |
| Deck Area | 619.2 sq m |
| Main Spans | 4 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 25 (2023) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 325 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000044170126 |