State Route 20 over Chamberlain Creek
Fair Condition78 years old2,600 vehicles/day
Location
| State | California |
| County | Mendocino |
| Location | 01-men-020-17.29 |
| Carries | State Route 20 |
| Crosses | Chamberlain Creek |
| Coordinates | 39.35282, -123.55671 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 82.0 ft (25 m) |
| Max Span | 44.9 ft (13.7 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 255 sq m |
| Main Spans | 3 |
| Year Built | 1948 |
Traffic
| Avg Daily Traffic | 2,600 (2009) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 10 0101 |