30520 475th AVE over Ck
Good Condition17 years old150 vehicles/day
Location
| State | South Dakota |
| County | Union |
| Location | 4w & 4.2s Alcester |
| Carries | 30520 475th AVE |
| Crosses | Ck |
| Coordinates | 42.96492, -96.70686 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 28.5 ft (8.7 m) |
| Max Span | 14.1 ft (4.3 m) |
| Deck Area | 95.7 sq m |
| Main Spans | 2 |
| Year Built | 2009 |
Traffic
| Avg Daily Traffic | 150 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 622 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000064050082 |