State Route 4 WB over Peralta Road
Good Condition45 years old31,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-004-r13.96-cnd |
| Carries | State Route 4 WB |
| Crosses | Peralta Road |
| Coordinates | 38.00238, -122.04794 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 180.4 ft (55 m) |
| Max Span | 176.8 ft (53.9 m) |
| Deck Width | 72.8 ft (22.2 m) |
| Deck Area | 1,221 sq m |
| Main Spans | 1 |
| Year Built | 1981 (reconstructed 2021) |
Traffic
| Avg Daily Traffic | 31,000 (2018) |
| Truck Traffic | 7% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 5 |
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 0242L |