480 Avenue over South Fork Whetstone Rv
Good Condition2 years old410 vehicles/day
Location
| State | South Dakota |
| County | Grant |
| Location | 1n & 1.5e Milbank |
| Carries | 480 Avenue |
| Crosses | South Fork Whetstone Rv |
| Coordinates | 45.24663, -96.59654 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 37.4 ft (11.4 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 111.7 sq m |
| Main Spans | 3 |
| Year Built | 2024 |
Traffic
| Avg Daily Traffic | 410 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000026310056 |