Diversion Dam Road over Inlet Canal
Good Condition120 years old1 vehicles/day
Location
| State | South Dakota |
| County | Butte |
| Location | 1.3 Mi NE Belle Fourche |
| Carries | Diversion Dam Road |
| Crosses | Inlet Canal |
| Coordinates | 44.69071, -103.83093 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Channel Beam |
| Total Length | 80.4 ft (24.5 m) |
| Max Span | 37.4 ft (11.4 m) |
| Deck Width | 19.4 ft (5.9 m) |
| Deck Area | 144.6 sq m |
| Main Spans | 2 |
| Year Built | 1906 (reconstructed 1989) |
Traffic
| Avg Daily Traffic | 1 (2017) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | Bureau of Reclamation |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 10-110-361 |