State Route 4 EB over Willow Pass Road
Fair Condition31 years old63,500 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-004-r18.76 |
| Carries | State Route 4 EB |
| Crosses | Willow Pass Road |
| Coordinates | 38.02269, -121.96614 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 184.7 ft (56.3 m) |
| Max Span | 91.9 ft (28 m) |
| Deck Width | 85.3 ft (26 m) |
| Deck Area | 1463.8 sq m |
| Main Spans | 2 |
| Year Built | 1995 |
Traffic
| Avg Daily Traffic | 63,500 (2017) |
| Truck Traffic | 6% |
| Lanes On Bridge | 5 |
| Lanes Under Bridge | 5 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0314R |