475th Avenue over N. Fork Whetstone Rv
Poor Condition59 years old25 vehicles/day
Location
| State | South Dakota |
| County | Roberts |
| Location | 3e & 0.2n Of Corona |
| Carries | 475th Avenue |
| Crosses | N. Fork Whetstone Rv |
| Coordinates | 45.34384, -96.69870 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 33.1 ft (10.1 m) |
| Max Span | 32.2 ft (9.8 m) |
| Deck Width | 23.0 ft (7 m) |
| Deck Area | 70.7 sq m |
| Main Spans | 1 |
| Year Built | 1967 (reconstructed 2007) |
Traffic
| Avg Daily Traffic | 25 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000055260408 |