N680-cc BLVD Ramp over Interstate 680
Fair Condition28 years old12,100 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-680-r17.40-plhl |
| Carries | N680-cc BLVD Ramp |
| Crosses | Interstate 680 |
| Coordinates | 37.94070, -122.05956 |
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 | 288.4 ft (87.9 m) |
| Max Span | 180.4 ft (55 m) |
| Deck Width | 39.7 ft (12.1 m) |
| Deck Area | 1063.6 sq m |
| Main Spans | 2 |
| Year Built | 1998 |
Traffic
| Avg Daily Traffic | 12,100 (2012) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 13 |
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 0325S |