30040 478 Ave. over Drainage Ditch
Poor Condition43 years old45 vehicles/day
Location
| State | South Dakota |
| County | Union |
| Location | 0.5w & 0.6n Alcester |
| Carries | 30040 478 Ave. |
| Crosses | Drainage Ditch |
| Coordinates | 43.03336, -96.64776 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 3 (Serious) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 40.4 ft (12.3 m) |
| Max Span | 38.4 ft (11.7 m) |
| Deck Width | 28.5 ft (8.7 m) |
| Deck Area | 107.0 sq m |
| Main Spans | 1 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 45 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000064080034 |