Lower Wyandotte RD over Branch Wyman Ravine
Fair Condition86 years old7,160 vehicles/day
Location
| State | California |
| County | Butte |
| Location | 1 Mi S Las Plumas AVE |
| Carries | Lower Wyandotte RD |
| Crosses | Branch Wyman Ravine |
| Coordinates | 39.46835, -121.52712 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 29.9 ft (9.1 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 71.9 sq m |
| Main Spans | 2 |
| Year Built | 1940 |
Traffic
| Avg Daily Traffic | 7,160 (2019) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 12C0344 |