Watmaugh Road Bridge

Photos

Watmaugh Road

Looking east.

Photo taken by Craig Philpott in September 2009

BH Photo #145963

Overview: Warren Pony truss bridge over Sonoma Creek on Watmaugh Road
Location: Sonoma County, California
Status: Open to traffic
Future prospects: Slated for replacement, but locals are trying to save it.
History: Built 1929
Design: Warren subdivided Pony truss center section with concrete tee beams extending from each shore to concrete piers supporting center section.
Dimensions: Length of largest span: 103.0 ft.
Total length: 170.0 ft.
Deck width: 22.3 ft.
Approximate latitude, longitude: +38.26583, -122.46694 (decimal degrees)
38°15'57" N, 122°28'01" W (degrees°minutes'seconds")
Approximate UTM coordinates: 10/546631/4235444 (zone/easting/northing)
Quadrangle map:: Sonoma
Average daily traffic (as of 2016): 3,628
Inventory numbers: CA 20C-17 (California bridge number)
BH 11638 (Bridgehunter.com ID)
Inspection report (as of April 2018): Overall condition: Poor
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 30 (out of 100)
View more at BridgeReports.com

May 3, 2010: Updated by Nathan Holth: Updated bridge status.
February 19, 2010: Updated by Craig Philpott: Corrected design
September 7, 2009: Updated by Craig Philpott: expanded description, added photos