Mail RD over Ck
Good Condition28 years old53 vehicles/day
Location
| State | South Dakota |
| County | Butte |
| Location | 2w 7n Nisland |
| Carries | Mail RD |
| Crosses | Ck |
| Coordinates | 44.77463, -103.58807 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 61.7 ft (18.8 m) |
| Max Span | 59.7 ft (18.2 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 154.2 sq m |
| Main Spans | 1 |
| Year Built | 1998 |
Traffic
| Avg Daily Traffic | 53 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000010230302 |