Center Avenue over State Route 4
Fair Condition51 years old22,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-004-r9.18-mtz |
| Carries | Center Avenue |
| Crosses | State Route 4 |
| Coordinates | 37.99520, -122.12053 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 230.0 ft (70.1 m) |
| Max Span | 121.1 ft (36.9 m) |
| Deck Width | 114.2 ft (34.8 m) |
| Deck Area | 2439.5 sq m |
| Main Spans | 2 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 22,000 (2018) |
| Truck Traffic | 1% |
| Lanes On Bridge | 7 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0212 |