145 Street over North Fork Whetstone Rv
Fair Condition60 years old370 vehicles/day
Location
| State | South Dakota |
| County | Grant |
| Location | 0.5s & 6.5w Big Stone |
| Carries | 145 Street |
| Crosses | North Fork Whetstone Rv |
| Coordinates | 45.28409, -96.59753 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 146.0 ft (44.5 m) |
| Max Span | 55.1 ft (16.8 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 413.9 sq m |
| Main Spans | 3 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 370 (2022) |
| Truck Traffic | 37% |
| 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 | 000000026309029 |