Sycamore Valley RD over Interstate 680
Good Condition62 years old3,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-680-r6.76-dnvl |
| Carries | Sycamore Valley RD |
| Crosses | Interstate 680 |
| Coordinates | 37.81124, -121.99330 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 282.2 ft (86 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 108.3 ft (33 m) |
| Deck Area | 2,838 sq m |
| Main Spans | 4 |
| Year Built | 1964 (reconstructed 1989) |
Traffic
| Avg Daily Traffic | 3,000 (2020) |
| Truck Traffic | 1% |
| Lanes On Bridge | 7 |
| Lanes Under Bridge | 9 |
Inspection & Ownership
| Last Inspection | 722 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0195 |