424 AVE over Rock Ck
Fair Condition53 years old75 vehicles/day
Location
| State | South Dakota |
| County | Miner |
| Location | 11.0w & 1.6s Canova |
| Carries | 424 AVE |
| Crosses | Rock Ck |
| Coordinates | 43.85448, -97.73074 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete |
| Design | Channel Beam |
| Total Length | 41.0 ft (12.5 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 123.8 sq m |
| Main Spans | 1 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 75 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000049060236 |