471 Avenue over Ck
Poor Condition100 years old25 vehicles/day
Location
| State | South Dakota |
| County | Grant |
| Location | 7w & 2.1n Milbank |
| Carries | 471 Avenue |
| Crosses | Ck |
| Coordinates | 45.25558, -96.78078 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 34.1 ft (10.4 m) |
| Max Span | 16.1 ft (4.9 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 75.9 sq m |
| Main Spans | 2 |
| Year Built | 1926 (reconstructed 1965) |
Traffic
| Avg Daily Traffic | 25 (2022) |
| Truck Traffic | 2% |
| 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 | 000000026220049 |