State Route 4 WB over Lone Tree Way
Fair Condition18 years old40,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-004-r32.94-btwd |
| Carries | State Route 4 WB |
| Crosses | Lone Tree Way |
| Coordinates | 37.96192, -121.74266 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 248.7 ft (75.8 m) |
| Max Span | 122.4 ft (37.3 m) |
| Deck Width | 66.6 ft (20.3 m) |
| Deck Area | 1538.7 sq m |
| Main Spans | 2 |
| Year Built | 2008 |
Traffic
| Avg Daily Traffic | 40,000 (2017) |
| Truck Traffic | 10% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0391L |