Sd027 over Antelope Ck
Fair Condition56 years old428 vehicles/day
Location
| State | South Dakota |
| County | Day |
| Location | 1.2 S Marshall Co Line |
| Carries | Sd027 |
| Crosses | Antelope Ck |
| Coordinates | 45.57244, -97.83627 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 20.7 ft (6.3 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 69.3 sq m |
| Main Spans | 2 |
| Year Built | 1970 (reconstructed 2001) |
Traffic
| Avg Daily Traffic | 428 (2024) |
| Truck Traffic | 19% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000019070012 |