Greenbrook Drive over Interstate 680
Fair Condition60 years old9,500 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-680-r5.33-dnvl |
| Carries | Greenbrook Drive |
| Crosses | Interstate 680 |
| Coordinates | 37.79236, -121.98351 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 230.6 ft (70.3 m) |
| Max Span | 98.1 ft (29.9 m) |
| Deck Width | 39.0 ft (11.9 m) |
| Deck Area | 836.6 sq m |
| Main Spans | 3 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 9,500 (2020) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 10 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0223 |