475th Avenue over Medary Ck
Poor Condition96 years old92 vehicles/day
Location
| State | South Dakota |
| County | Brookings |
| Location | 1.8s & 1w Aurora |
| Carries | 475th Avenue |
| Crosses | Medary Ck |
| Coordinates | 44.25559, -96.70742 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 86.9 ft (26.5 m) |
| Max Span | 32.2 ft (9.8 m) |
| Deck Width | 19.7 ft (6 m) |
| Deck Area | 159 sq m |
| Main Spans | 3 |
| Year Built | 1930 |
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 | 000000006210198 |