Us085 over East Br Antelope Ck
Fair Condition61 years old1,037 vehicles/day
Location
| State | South Dakota |
| County | Butte |
| Location | 13.3 S Harding Co Line |
| Carries | Us085 |
| Crosses | East Br Antelope Ck |
| Coordinates | 45.01820, -103.55017 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 140.1 ft (42.7 m) |
| Max Span | 27.9 ft (8.5 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 448.4 sq m |
| Main Spans | 5 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 1,037 (2024) |
| Truck Traffic | 21% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000010249135 |