474 Avenue over Ck
Poor Condition100 years old15 vehicles/day
Location
| State | South Dakota |
| County | Grant |
| Location | 4w & 1.9s Milbank |
| Carries | 474 Avenue |
| Crosses | Ck |
| Coordinates | 45.19516, -96.72112 |
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 | 35.1 ft (10.7 m) |
| Max Span | 17.1 ft (5.2 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 79.2 sq m |
| Main Spans | 2 |
| Year Built | 1926 |
Traffic
| Avg Daily Traffic | 15 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000026250089 |