28430 420 Ave. over Lonetree Ck
Poor Condition42 years old45 vehicles/day
Location
| State | South Dakota |
| County | Hutchinson |
| Location | 4 W 1.7 N Hys 18 &25 |
| Carries | 28430 420 Ave. |
| Crosses | Lonetree Ck |
| Coordinates | 43.26620, -97.79667 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 30.5 ft (9.3 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 23.0 ft (7 m) |
| Deck Area | 65.1 sq m |
| Main Spans | 1 |
| Year Built | 1984 |
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 | 000000034160163 |