Entrance Road over Belle Fourche River
Fair Condition46 years old1,000 vehicles/day
Location
| State | Wyoming |
| County | Crook |
| Location | 26.6 Miles Northeast Of I |
| Carries | Entrance Road |
| Crosses | Belle Fourche River |
| Coordinates | 44.58971, -104.70386 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Single/Spread |
| Total Length | 299.9 ft (91.4 m) |
| Max Span | 120.1 ft (36.6 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 987.1 sq m |
| Main Spans | 3 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 1,000 (2011) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | National Park Service |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 1390001P0000000 |