26970 417 Ave. over Twelve Mile Ck
Poor Condition48 years old45 vehicles/day
Location
| State | South Dakota |
| County | Hutchinson |
| Location | 6.3n 7.0e Parkston |
| Carries | 26970 417 Ave. |
| Crosses | Twelve Mile Ck |
| Coordinates | 43.47565, -97.85836 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 49.9 ft (15.2 m) |
| Max Span | 48.9 ft (14.9 m) |
| Deck Width | 23.0 ft (7 m) |
| Deck Area | 106.4 sq m |
| Main Spans | 1 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 45 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000034130017 |