Sd050 over Marne Ck
Fair Condition55 years old9,753 vehicles/day
Location
| State | South Dakota |
| County | Yankton |
| Location | 0.8 E Jct US 81 |
| Carries | Sd050 |
| Crosses | Marne Ck |
| Coordinates | 42.87179, -97.38121 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 119.1 ft (36.3 m) |
| Max Span | 42.7 ft (13 m) |
| Deck Width | 55.1 ft (16.8 m) |
| Deck Area | 609.8 sq m |
| Main Spans | 3 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 9,753 (2024) |
| Truck Traffic | 7% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000068129205 |