Old Monte Rio Road over Hillside
Fair Condition66 years old100 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | At Santa Rosa Avenue |
| Carries | Old Monte Rio Road |
| Crosses | Hillside |
| Coordinates | 38.48730, -123.01668 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 75.8 ft (23.1 m) |
| Max Span | 19.4 ft (5.9 m) |
| Deck Width | 20.3 ft (6.2 m) |
| Deck Area | 143.2 sq m |
| Main Spans | 4 |
| Year Built | 1960 (reconstructed 2010) |
Traffic
| Avg Daily Traffic | 100 (2015) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0397 |