Bollinger Cyn RD over Interstate 680
Fair Condition60 years old10,800 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-680-r2.88-srmn |
| Carries | Bollinger Cyn RD |
| Crosses | Interstate 680 |
| Coordinates | 37.75980, -121.96574 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 244.1 ft (74.4 m) |
| Max Span | 89.9 ft (27.4 m) |
| Deck Width | 108.3 ft (33 m) |
| Deck Area | 2455.2 sq m |
| Main Spans | 4 |
| Year Built | 1966 (reconstructed 1986) |
Traffic
| Avg Daily Traffic | 10,800 (2020) |
| Truck Traffic | 3% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 10 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0224 |