408th Avenue over South Fork Twelve Mile C
Poor Condition96 years old81 vehicles/day
Location
| State | South Dakota |
| County | Davison |
| Location | 1w & 13.7 S Mitchell |
| Carries | 408th Avenue |
| Crosses | South Fork Twelve Mile C |
| Coordinates | 43.50325, -98.04386 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Width | 20.3 ft (6.2 m) |
| Deck Area | 45.3 sq m |
| Main Spans | 1 |
| Year Built | 1930 |
Traffic
| Avg Daily Traffic | 81 (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 | 000000018140237 |