Mattole Road over Singley Creek
Fair Condition67 years old308 vehicles/day
Location
| State | California |
| County | Humboldt |
| Location | 26.3 Mi North Of Honeydew |
| Carries | Mattole Road |
| Crosses | Singley Creek |
| Coordinates | 40.43155, -124.40036 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 123.0 ft (37.5 m) |
| Max Span | 47.9 ft (14.6 m) |
| Deck Width | 28.5 ft (8.7 m) |
| Deck Area | 326.2 sq m |
| Main Spans | 3 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 308 (2014) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 04C0147 |