30810 417th Avenue over Silver Creek
Fair Condition54 years old60 vehicles/day
Location
| State | South Dakota |
| County | Bon Homme |
| Location | 4.1s Of Tyndall |
| Carries | 30810 417th Avenue |
| Crosses | Silver Creek |
| Coordinates | 42.92207, -97.85229 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete |
| Design | Channel Beam |
| Total Length | 31.2 ft (9.5 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 31.8 ft (9.7 m) |
| Deck Area | 92.2 sq m |
| Main Spans | 1 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 60 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000005160171 |