Interstate 680 SB over Ygnacio Valley Road
Fair Condition31 years old117,500 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-680-14.85-wlc |
| Carries | Interstate 680 SB |
| Crosses | Ygnacio Valley Road |
| Coordinates | 37.90473, -122.06972 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 360.2 ft (109.8 m) |
| Max Span | 149.9 ft (45.7 m) |
| Deck Width | 70.9 ft (21.6 m) |
| Deck Area | 2371.7 sq m |
| Main Spans | 3 |
| Year Built | 1995 |
Traffic
| Avg Daily Traffic | 117,500 (2009) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0117L |