48040 312th ST over East Union Ck
Poor Condition76 years old25 vehicles/day
Location
| State | South Dakota |
| County | Union |
| Location | 10.5s & 1.4e Alcester |
| Carries | 48040 312th ST |
| Crosses | East Union Ck |
| Coordinates | 42.86588, -96.59821 |
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 | 30.5 ft (9.3 m) |
| Max Span | 28.5 ft (8.7 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 79.0 sq m |
| Main Spans | 1 |
| Year Built | 1950 |
Traffic
| Avg Daily Traffic | 25 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000064104150 |