291st AVE over Antelope Ck
Poor Condition91 years old130 vehicles/day
Location
| State | South Dakota |
| County | Stanley |
| Location | 10.3m S 2.25e Ft.pir |
| Carries | 291st AVE |
| Crosses | Antelope Ck |
| Coordinates | 44.19833, -100.32576 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 104.0 ft (31.7 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 20.3 ft (6.2 m) |
| Deck Area | 196.5 sq m |
| Main Spans | 3 |
| Year Built | 1935 |
Traffic
| Avg Daily Traffic | 130 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000059420398 |