4th ST East over Nathanson Creek
Fair Condition112 years old2,100 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 0.1 Mi N Of E Napa ST |
| Carries | 4th ST East |
| Crosses | Nathanson Creek |
| Coordinates | 38.29251, -122.44965 |
Condition Ratings
| Overall Condition | Fair |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 35.1 ft (10.7 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 108.1 sq m |
| Main Spans | 1 |
| Year Built | 1914 |
Traffic
| Avg Daily Traffic | 2,100 (2015) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0495 |