Railroad Avenue over State Route 4
Good Condition22 years old28,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-004-23.04-pit |
| Carries | Railroad Avenue |
| Crosses | State Route 4 |
| Coordinates | 38.01736, -121.88953 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 282.2 ft (86 m) |
| Max Span | 141.1 ft (43 m) |
| Deck Width | 118.8 ft (36.2 m) |
| Deck Area | 3113.2 sq m |
| Main Spans | 2 |
| Year Built | 2004 |
Traffic
| Avg Daily Traffic | 28,000 (2019) |
| Truck Traffic | 8% |
| Lanes On Bridge | 7 |
| Lanes Under Bridge | 8 |
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 0386 |