309 Avenue over Medicine Knoll Ck
Fair Condition23 years old150 vehicles/day
Location
| State | South Dakota |
| County | Hughes |
| Location | 0.3 W 1 S Blunt |
| Carries | 309 Avenue |
| Crosses | Medicine Knoll Ck |
| Coordinates | 44.49834, -99.99083 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 190.0 ft (57.9 m) |
| Max Span | 91.9 ft (28 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 526.9 sq m |
| Main Spans | 2 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 150 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000033288030 |