Geysers RD over Big Sulphur Creek
Fair Condition117 years old140 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 18.6 Mi N Of SH 128 |
| Carries | Geysers RD |
| Crosses | Big Sulphur Creek |
| Coordinates | 38.82353, -122.88336 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 150.3 ft (45.8 m) |
| Max Span | 130.2 ft (39.7 m) |
| Deck Width | 14.1 ft (4.3 m) |
| Deck Area | 196.9 sq m |
| Main Spans | 1 |
| Year Built | 1909 |
Traffic
| Avg Daily Traffic | 140 (2008) |
| Truck Traffic | 10% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 20C0005 |