2 votes

Wohler Road Bridge


Wohler Road Bridge

Bridge across Russian River, looking NW from SE side of river.

Photo taken by Craig Philpott in August 2009


BH Photo #145452

Street Views 


Through truss bridge over Russian River on Wohler Road
Sonoma County, California
Open to traffic
Future prospects
Slated for seismic retrofit upon funds becoming available.
Built 1921
Camelback Pratt through truss
Length of largest span: 230.0 ft.
Total length: 768.1 ft.
Deck width: 16.7 ft.
Vertical clearance above deck: 16.8 ft.
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+38.50778, -122.88278   (decimal degrees)
38°30'28" N, 122°52'58" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/510220/4262162 (zone/easting/northing)
Quadrangle map:
51 ft. above sea level
Average daily traffic (as of 2016)
Inventory numbers
CA 20C-155 (California bridge number)
BH 11641 (Bridgehunter.com ID)
Inspection report (as of July 2017)
Overall condition: Poor
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Critical (2 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 59 (out of 100)
View more at BridgeReports.com

Update Log 

  • March 21, 2022: New photos from John Bernhisel
  • April 11, 2018: New Street View added by Luke
  • June 13, 2013: Updated by Nathan Holth: Bridge to be retrofitted.
  • March 22, 2010: Updated by Craig Philpott: added street view
  • August 19, 2009: Updated by Craig Philpott: added elevation



Wohler Road Bridge
Posted June 14, 2013, by Nathan Holth (webmaster [at] historicbridges [dot] org)

Craig: Looks like this additional report might have a little more info, although the timeline is outdated, on expected costs for the projects: http://www.sonoma-county.org/gs/pdf/cpp_2009_2014.pdf

Wohler Road Bridge
Posted June 14, 2013, by Nathan Holth (webmaster [at] historicbridges [dot] org)

Craig: I usually do add a link to a project website when such a website exists and has worthwhile information. In the case of Sonoma County, I updated the status of a couple bridges based on information I found buried in a 2009 report. The report doesn't really offer much more in the way of detail. It can be downloaded at this link: http://www.sonoma-county.org/tpw/pdf/bridge_report/bridge_re...

Also, I think it was a few weeks ago I also did a sweep of a bunch of Public Works pages for various California counties to check on the status of bridges since it seemed like nobody had done anything like that for California for a long while. Unfortunately, I did find a number of doomed bridges and I updated BridgeHunter listings with my findings. If you want to know more about any of those projects, you can always check the respective public works websites... but again with a few exceptions many offer little information beyond a statement that the bridge is to be replaced.

Finally, the reason I have been fussing around with California is because I am adding an excellent photo-documentation of select bridges in the counties in and around the San Francisco Bay area over at HistoricBridges.org, representing my first visit to this state. As the summer goes on, be sure to come on over and see what I have been adding!

Wohler Road Bridge
Posted June 13, 2013, by Craig Philpott (cphilpott [at] puc [dot] edu)

Nathan, I sure appreciate your tracking of county repair plans for this bridge, and others like it, and I wonder if you have any specific project links that you can post as you research.