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California Department of Transportation
Drainage Hwy 126, Napa County, Ca

Install of 3 drainage systems across Highway 126 near Napa.  Thunder Mountain removed and replaced 2 18” culverts, added downdrains and installed underdrain system to prevent further road deterioration from undermining from water seeping from the uphill bank underneath the road. 

 


 

 

 

 

 

 

 

 

Copyright © 2006 Thunder Mountain Enterprises, Inc. (TME). All rights reserved.
P.O. Box 292821, Sacramento, CA 95829 telephone: (916) 381-3400