Plainsburg Road over Duck Slough
Fair Condition86 years old1,511 vehicles/day
Location
| State | California |
| County | Merced |
| Location | 0.5 Mi N Mariposa Way |
| Carries | Plainsburg Road |
| Crosses | Duck Slough |
| Coordinates | 37.25822, -120.32500 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 151.9 ft (46.3 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 463 sq m |
| Main Spans | 8 |
| Year Built | 1940 (reconstructed 1967) |
Traffic
| Avg Daily Traffic | 1,511 (2018) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 39C0061 |