State Route 4 over Bnsf Ry
Fair Condition88 years old62,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-004-r9.10-mtz |
| Carries | State Route 4 |
| Crosses | Bnsf Ry |
| Coordinates | 37.99451, -122.12075 |
Condition Ratings
| Overall Condition | Fair |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 605.0 ft (184.4 m) |
| Max Span | 21.7 ft (6.6 m) |
| Deck Area | 1235.5 sq m |
| Main Spans | 1 |
| Year Built | 1938 |
Traffic
| Avg Daily Traffic | 62,000 (2018) |
| Truck Traffic | 7% |
| Lanes On Bridge | 7 |
| Lanes Under Bridge | 1 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | Railroad |
| Historical Significance | Historical significance is not determined |
| Structure Number | 28 0252 |