Humboldt Hill Road over US Highway 101
Poor Condition63 years old3,100 vehicles/day
Location
| State | California |
| County | Humboldt |
| Location | 01-hum-101-73.72 |
| Carries | Humboldt Hill Road |
| Crosses | US Highway 101 |
| Coordinates | 40.74535, -124.19989 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 228.3 ft (69.6 m) |
| Max Span | 81.4 ft (24.8 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 723.8 sq m |
| Main Spans | 4 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 3,100 (2010) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 5 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 04 0071 |