Leslie RD over Porter Creek
Fair Condition54 years old63 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | .7m NW Mark West Sprgs RD |
| Carries | Leslie RD |
| Crosses | Porter Creek |
| Coordinates | 38.55463, -122.72837 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 35.4 ft (10.8 m) |
| Max Span | 18.4 ft (5.6 m) |
| Deck Width | 14.1 ft (4.3 m) |
| Deck Area | 46.4 sq m |
| Main Spans | 2 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 63 (2015) |
| Truck Traffic | 1% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0325 |