30999 477th AVE over Ck
Poor Condition37 years old300 vehicles/day
Location
| State | South Dakota |
| County | Union |
| Location | 9s & 2w Alcester |
| Carries | 30999 477th AVE |
| Crosses | Ck |
| Coordinates | 42.89487, -96.66575 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 3 (Serious) |
| Substructure | 3 (Serious) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete |
| Design | Channel Beam |
| Total Length | 25.6 ft (7.8 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 28.9 ft (8.8 m) |
| Deck Area | 68.6 sq m |
| Main Spans | 1 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 300 (2022) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000064070130 |