47730 309 Str. over Ck
Fair Condition49 years old180 vehicles/day
Location
| State | South Dakota |
| County | Union |
| Location | 7.5s & 1.7w Alcester |
| Carries | 47730 309 Str. |
| Crosses | Ck |
| Coordinates | 42.90910, -96.65834 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 9 (Excellent) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 32.8 ft (10 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 74 sq m |
| Main Spans | 1 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 180 (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 | 000000064073120 |