Graton RD over Purrington Creek
Fair Condition56 years old3,100 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 0.1 Mi N/e Greenhill RD |
| Carries | Graton RD |
| Crosses | Purrington Creek |
| Coordinates | 38.41843, -122.90224 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 91.9 ft (28 m) |
| Max Span | 88.6 ft (27 m) |
| Deck Width | 41.0 ft (12.5 m) |
| Deck Area | 350 sq m |
| Main Spans | 1 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 3,100 (2015) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0137 |