Geysers Road Bridge
Photo taken by Craig Philpott in September 2009
BH Photo #145900
Highway sign says, "Built 1909, relocated 1937"
- Pratt Through truss bridge over Big Sulphur Creek on Geysers Road
- Sonoma County, California
- Open to traffic
- Future prospects
- Slated for "seismic replacement" upon funds becoming available. Bridge will be bypassed and abandoned.
- Built 1909; rehabilitated 1970
- - Phoenix Iron Works of Phoenixville, Pennsylvania
- - Rail-to-road
- Pin Connected Pratt Through truss with Phoenix columns
Length of largest span: 129.9 ft.
Total length: 149.0 ft.
Deck width: 13.1 ft.
Vertical clearance above deck: 21.3 ft.
Eligible for the National Register of Historic Places
- Approximate latitude, longitude
- +38.82355, -122.88342 (decimal degrees)
38°49'25" N, 122°53'00" W (degrees°minutes'seconds")
- Approximate UTM coordinates
- 10/510119/4297203 (zone/easting/northing)
- Quadrangle map:
- Inventory numbers
- CA 20C-5 (California bridge number)
BH 11612 (Bridgehunter.com ID)
- Inspection (as of 07/2015)
- Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 61.7 (out of 100)
- Average daily traffic (as of 2008)
- July 21, 2017: New Street View added by Clark Vance
- July 20, 2017: New video from Craig Philpott
- September 22, 2015: Updated by Luke: Added categories "Relocated", "Pin-connected", "Phoenix columns", "Phoenix Iron Works", "Rail-to-road"
- July 2, 2013: Updated by Nathan Holth: New information from county: Bridge to be bypassed and abandoned.
- June 13, 2013: Updated by Nathan Holth: This bridge is now doomed.
- March 6, 2012: New photos from Craig Philpott
- May 15, 2010: New Street View added by Craig Philpott
- March 22, 2010: Updated by Craig Philpott: refined design description
- March 1, 2010: Updated by Craig Philpott: Amended design
- February 19, 2010: Updated by Craig Philpott: Corrected design
- September 7, 2009: New photos from Craig Philpott