State Route 4 WB over W4-s242 Connector Ramp
Fair Condition48 years old31,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-004-r14.64-cnd |
| Carries | State Route 4 WB |
| Crosses | W4-s242 Connector Ramp |
| Coordinates | 38.00582, -122.03656 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 448.2 ft (136.6 m) |
| Max Span | 218.5 ft (66.6 m) |
| Deck Width | 53.8 ft (16.4 m) |
| Deck Area | 2240.2 sq m |
| Main Spans | 3 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 31,000 (2018) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 3 |
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 0243L |