US Highway 101 SB over ST RTE 128 (canyon Rd)
Good Condition51 years old13,500 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 04-son-101-r43.36 |
| Carries | US Highway 101 SB |
| Crosses | ST RTE 128 (canyon Rd) |
| Coordinates | 38.71339, -122.91907 |
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 | 149.9 ft (45.7 m) |
| Max Span | 148.0 ft (45.1 m) |
| Deck Width | 41.0 ft (12.5 m) |
| Deck Area | 571.2 sq m |
| Main Spans | 1 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 13,500 (2015) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20 0244L |