477th Avenue over Medary Ck
Poor Condition58 years old92 vehicles/day
Location
| State | South Dakota |
| County | Brookings |
| Location | 1e & 0.6s Aurora |
| Carries | 477th Avenue |
| Crosses | Medary Ck |
| Coordinates | 44.27336, -96.66769 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 57.4 ft (17.5 m) |
| Max Span | 49.5 ft (15.1 m) |
| Deck Width | 19.4 ft (5.9 m) |
| Deck Area | 103.2 sq m |
| Main Spans | 1 |
| Year Built | 1968 |
Traffic
| Avg Daily Traffic | 92 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000006230186 |