446a Avenue over Blue Dog Lake
Good Condition3 years old852 vehicles/day
Location
| State | South Dakota |
| County | Day |
| Location | 1.5e & 0.5n Of Waubay |
| Carries | 446a Avenue |
| Crosses | Blue Dog Lake |
| Coordinates | 45.34856, -97.27654 |
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 | 49.9 ft (15.2 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 129.2 sq m |
| Main Spans | 4 |
| Year Built | 2023 |
Traffic
| Avg Daily Traffic | 852 (2022) |
| Truck Traffic | 3% |
| 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 | 000000019345165 |