270 ST over Twelve Mile Ck
Good Condition6 years old257 vehicles/day
Location
| State | South Dakota |
| County | Hutchinson |
| Location | 7e Of Dimock |
| Carries | 270 ST |
| Crosses | Twelve Mile Ck |
| Coordinates | 43.47090, -97.84916 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 89.9 ft (27.4 m) |
| Max Span | 88.9 ft (27.1 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 268.5 sq m |
| Main Spans | 1 |
| Year Built | 2020 |
Traffic
| Avg Daily Traffic | 257 (2022) |
| Truck Traffic | 1% |
| 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 | 000000034134020 |