US Highway 101 NB over Russian River
Fair Condition27 years old22,750 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 04-son-101-33.78-hlbg |
| Carries | US Highway 101 NB |
| Crosses | Russian River |
| Coordinates | 38.59727, -122.85722 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 773.0 ft (235.6 m) |
| Max Span | 217.8 ft (66.4 m) |
| Deck Width | 42.3 ft (12.9 m) |
| Deck Area | 3039.2 sq m |
| Main Spans | 4 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 22,750 (2015) |
| Truck Traffic | 13% |
| Lanes On 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 0273R |