Contacts

Benton County Road Department Locations

Engineering and Administration
Courthouse
620 Market Street
PO Box 1001
Prosser, Washington 99350
Telephone: Prosser 509-786-5611
                 Tri-Cities 509-736-3084

Prosser Road Maintenance Shop
14303 N Hinzerling Road
Prosser, Washington 99350
Telephone: 509-786-4810

Kennewick Road Maintenance Shop
102808 Wiser Parkway
Kennewick, Washington 99338
Telephone: 509-222-2305


NOTE: Please contact our office immediately if you notice potholes, debris, dead animals, or any other obstruction on any County road, or if you notice any signs missing or knocked down.  Call 786-5611 or 786-4810 in Prosser or 736-3084 or 222-2305 in Tri-Cities.  After Hours and weekends, call non-emergency dispatch at 509-628-0333. Or email publicworks@co.benton.wa.us


 Staff Contacts

 

Matt Rasmussen, PE

County Engineer


Robert Blain

Assistant County Engineer

 

Grant DeJongh

Public Works Program Coordinator

 

Road Department

General email account

       
       
       

       
      Benton County    620 Market Street    Prosser, Washington 99350
      Phone: (509) 786-5710 or (509) 783-1310
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