Main Street over Antelope Ck
Fair Condition48 years old1,400 vehicles/day
Location
| State | South Dakota |
| County | Todd |
| Location | 0.1s Mission |
| Carries | Main Street |
| Crosses | Antelope Ck |
| Coordinates | 43.30273, -100.65854 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 8 (Very Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 71.9 ft (21.9 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 293.5 sq m |
| Main Spans | 1 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 1,400 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000061297061 |