Alderpoint Road over Cooper Creek
Fair Condition74 years old250 vehicles/day
Location
| State | California |
| County | Humboldt |
| Location | 30.4 Mi E/n S.h. 101 |
| Carries | Alderpoint Road |
| Crosses | Cooper Creek |
| Coordinates | 40.30958, -123.65563 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 26.9 ft (8.2 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 62.9 sq m |
| Main Spans | 1 |
| Year Built | 1952 |
Traffic
| Avg Daily Traffic | 250 (2008) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 04C0166 |