31150 475th AVE over Ck
Fair Condition87 years old97 vehicles/day
Location
| State | South Dakota |
| County | Union |
| Location | 2e & 1.5n Spink |
| Carries | 31150 475th AVE |
| Crosses | Ck |
| Coordinates | 42.87275, -96.70719 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 36.1 ft (11 m) |
| Max Span | 16.1 ft (4.9 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 90.2 sq m |
| Main Spans | 2 |
| Year Built | 1939 |
Traffic
| Avg Daily Traffic | 97 (2022) |
| Truck Traffic | 3% |
| 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 | 000000064050145 |