48020 309 Str. over East Union Ck
Poor Condition76 years old45 vehicles/day
Location
| State | South Dakota |
| County | Union |
| Location | 7.5s & 1.2e Alcester |
| Carries | 48020 309 Str. |
| Crosses | East Union Ck |
| Coordinates | 42.90895, -96.60133 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| 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 | 27.9 ft (8.5 m) |
| Deck Area | 104.5 sq m |
| Main Spans | 1 |
| Year Built | 1950 (reconstructed 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 | 000000064102120 |