Lone Tree Road over Wyman Ravine
Fair Condition34 years old871 vehicles/day
Location
| State | California |
| County | Butte |
| Location | 1.8 Mi S Palermo RD |
| Carries | Lone Tree Road |
| Crosses | Wyman Ravine |
| Coordinates | 39.40910, -121.57660 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 87.9 ft (26.8 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 249.2 sq m |
| Main Spans | 3 |
| Year Built | 1992 |
Traffic
| Avg Daily Traffic | 871 (2019) |
| Truck Traffic | 25% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 12C0110 |