406th AVE over Byron Lk
Good Condition87 years old50 vehicles/day
Location
| State | South Dakota |
| County | Beadle |
| Location | 4.5 S Bloomfield |
| Carries | 406th AVE |
| Crosses | Byron Lk |
| Coordinates | 44.56811, -98.09904 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 89.2 sq m |
| Main Spans | 2 |
| Year Built | 1939 (reconstructed 1962) |
Traffic
| Avg Daily Traffic | 50 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000003300045 |