409th Avenue over Drainage Ditch
Fair Condition106 years old149 vehicles/day
Location
| State | South Dakota |
| County | Davison |
| Location | 1.6 S Mitchell |
| Carries | 409th Avenue |
| Crosses | Drainage Ditch |
| Coordinates | 43.67757, -98.02658 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 5 (Fair) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 93.1 sq m |
| Main Spans | 2 |
| Year Built | 1920 (reconstructed 1968) |
Traffic
| Avg Daily Traffic | 149 (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 | 000000018150116 |