480 Avenue over North Fork Whetstone Rv
Good Condition8 years old200 vehicles/day
Location
| State | South Dakota |
| County | Grant |
| Location | 4n & 2e Milbank |
| Carries | 480 Avenue |
| Crosses | North Fork Whetstone Rv |
| Coordinates | 45.28390, -96.59644 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 94.2 ft (28.7 m) |
| Max Span | 89.9 ft (27.4 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 281.3 sq m |
| Main Spans | 1 |
| Year Built | 2018 |
Traffic
| Avg Daily Traffic | 200 (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 | 000000026310031 |