U.s. Highway 101 over US 101 On&off Ramp Ncrra
Fair Condition64 years old21,700 vehicles/day
Location
| State | California |
| County | Humboldt |
| Location | 01-hum-101-70.61 |
| Carries | U.s. Highway 101 |
| Crosses | US 101 On&off Ramp Ncrra |
| Coordinates | 40.70501, -124.20956 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 406.5 ft (123.9 m) |
| Max Span | 111.9 ft (34.1 m) |
| Deck Width | 88.6 ft (27 m) |
| Deck Area | 3345.3 sq m |
| Main Spans | 4 |
| Year Built | 1962 (reconstructed 1982) |
Traffic
| Avg Daily Traffic | 21,700 (2009) |
| Truck Traffic | 11% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 04 0121 |