320th Street over Medicine Creek
Good Condition9 years old10 vehicles/day
Location
| State | South Dakota |
| County | Lyman |
| Location | 7.8n & 5.9e Of Kennebec |
| Carries | 320th Street |
| Crosses | Medicine Creek |
| Coordinates | 44.01653, -99.74486 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 65.0 ft (19.8 m) |
| Max Span | 63.3 ft (19.3 m) |
| Deck Width | 23.0 ft (7 m) |
| Deck Area | 138.6 sq m |
| Main Spans | 1 |
| Year Built | 2017 |
Traffic
| Avg Daily Traffic | 10 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000043309122 |