479 Avenue over South Fork Whetstone Rv
Good Condition23 years old40 vehicles/day
Location
| State | South Dakota |
| County | Grant |
| Location | 1e & 0.6n Milbank |
| Carries | 479 Avenue |
| Crosses | South Fork Whetstone Rv |
| Coordinates | 45.23285, -96.61901 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 71.2 ft (21.7 m) |
| Max Span | 66.6 ft (20.3 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 201.8 sq m |
| Main Spans | 1 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 40 (2022) |
| Truck Traffic | 3% |
| 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 | 000000026300064 |