Mail RD over Indian Ck
Poor Condition86 years old22 vehicles/day
Location
| State | South Dakota |
| County | Butte |
| Location | 2w 5.8n Nisland |
| Carries | Mail RD |
| Crosses | Indian Ck |
| Coordinates | 44.76255, -103.58805 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 141.1 ft (43 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 28.2 ft (8.6 m) |
| Deck Area | 369.8 sq m |
| Main Spans | 1 |
| Year Built | 1940 (reconstructed 1980) |
Traffic
| Avg Daily Traffic | 22 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000010230310 |