State Route 4 WB over Franklin Canyon RD
Fair Condition25 years old40,500 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-004-r2.70l |
| Carries | State Route 4 WB |
| Crosses | Franklin Canyon RD |
| Coordinates | 38.01017, -122.22852 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 109.9 ft (33.5 m) |
| Max Span | 109.9 ft (33.5 m) |
| Deck Width | 41.7 ft (12.7 m) |
| Deck Area | 425.4 sq m |
| Main Spans | 1 |
| Year Built | 2001 |
Traffic
| Avg Daily Traffic | 40,500 (2018) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0370L |