475 Avenue over Ck
Poor Condition61 years old75 vehicles/day
Location
| State | South Dakota |
| County | Grant |
| Location | 3w & 0.9s Milbank |
| Carries | 475 Avenue |
| Crosses | Ck |
| Coordinates | 45.21026, -96.70241 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 53.1 ft (16.2 m) |
| Max Span | 50.9 ft (15.5 m) |
| Deck Width | 27.2 ft (8.3 m) |
| Deck Area | 134.5 sq m |
| Main Spans | 1 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 75 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000026260079 |