474th Avenue over N. Fork Whetstone Rv
Good Condition23 years old125 vehicles/day
Location
| State | South Dakota |
| County | Roberts |
| Location | 2e & 1.4n Of Corona |
| Carries | 474th Avenue |
| Crosses | N. Fork Whetstone Rv |
| Coordinates | 45.36147, -96.71941 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 127.3 ft (38.8 m) |
| Max Span | 45.6 ft (13.9 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 388 sq m |
| Main Spans | 3 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 125 (2022) |
| Truck Traffic | 3% |
| 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 | 000000055250396 |