Interstate 80 over State Route 4 & Ramps
Poor Condition68 years old179,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-080-10.02-her |
| Carries | Interstate 80 |
| Crosses | State Route 4 & Ramps |
| Coordinates | 38.01467, -122.26948 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 443.9 ft (135.3 m) |
| Max Span | 115.2 ft (35.1 m) |
| Deck Width | 117.5 ft (35.8 m) |
| Deck Area | 4843.7 sq m |
| Main Spans | 4 |
| Year Built | 1958 |
Traffic
| Avg Daily Traffic | 179,000 (2019) |
| Truck Traffic | 5% |
| Lanes On Bridge | 8 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0148 |