Us012 over Antelope Ck
Fair Condition54 years old3,468 vehicles/day
Location
| State | South Dakota |
| County | Brown |
| Location | 1.6 E Jct Sd 37 |
| Carries | Us012 |
| Crosses | Antelope Ck |
| Coordinates | 45.44326, -98.07982 |
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 | 38.4 ft (11.7 m) |
| Max Span | 12.5 ft (3.8 m) |
| Deck Area | 149.8 sq m |
| Main Spans | 3 |
| Year Built | 1972 (reconstructed 2002) |
Traffic
| Avg Daily Traffic | 3,468 (2023) |
| Truck Traffic | 23% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000007312340 |