State Route 4 over Interstate Route 680
Fair Condition64 years old82,600 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-004-12.64 |
| Carries | State Route 4 |
| Crosses | Interstate Route 680 |
| Coordinates | 37.99424, -122.07024 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 241.1 ft (73.5 m) |
| Max Span | 72.2 ft (22 m) |
| Deck Width | 142.4 ft (43.4 m) |
| Deck Area | 3189.9 sq m |
| Main Spans | 4 |
| Year Built | 1962 (reconstructed 2021) |
Traffic
| Avg Daily Traffic | 82,600 (2019) |
| Truck Traffic | 7% |
| Lanes On Bridge | 8 |
| Lanes Under Bridge | 10 |
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 0179 |