Interstate 680 over Happy Valley Road
Poor Condition59 years old124,000 vehicles/day
Location
| State | California |
| County | Alameda |
| Location | 04-ala-680-r15.04-ple |
| Carries | Interstate 680 |
| Crosses | Happy Valley Road |
| Coordinates | 37.63656, -121.88406 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 170.9 ft (52.1 m) |
| Max Span | 70.9 ft (21.6 m) |
| Deck Width | 128.3 ft (39.1 m) |
| Deck Area | 2037.1 sq m |
| Main Spans | 3 |
| Year Built | 1967 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 124,000 (2009) |
| Truck Traffic | 10% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 33 0385 |