399th Ave. over Sand Ck
Fair Condition44 years old56 vehicles/day
Location
| State | South Dakota |
| County | Sanborn |
| Location | 2e & 7.2n Woonsocket |
| Carries | 399th Ave. |
| Crosses | Sand Ck |
| Coordinates | 44.15736, -98.23082 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 49.9 ft (15.2 m) |
| Max Span | 48.9 ft (14.9 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 142.9 sq m |
| Main Spans | 1 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 56 (2022) |
| Truck Traffic | 2% |
| 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 | 000000056050028 |