317 Avenue over Medicine Knoll Ck
Good Condition31 years old25 vehicles/day
Location
| State | South Dakota |
| County | Sully |
| Location | 12.5 & 7.2s Onida |
| Carries | 317 Avenue |
| Crosses | Medicine Knoll Ck |
| Coordinates | 44.60248, -99.81801 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 24.6 ft (7.5 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 68.2 sq m |
| Main Spans | 2 |
| Year Built | 1995 |
Traffic
| Avg Daily Traffic | 25 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 721 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000060440202 |