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Emergency Alert
Columbia County
341 E. Main St.
Dayton, WA 99328


Public Works
Contact
Charles Eaton
Public Works Director/County Engineer

Amber Phinney
Business Manager

415 N. Guernsey Ave.
P.O. Box 5
Dayton, WA  99328

Ph: (509) 382-2534
Fx: (509) 382-4724

Winter Hours
Monday - Friday
7:00 am - 3:30 pm
(closed noon to 12:30 pm)
Summer Hours 4/1/2020
Monday - Thursday
6:00 am - 4:30 pm
(closed noon to 12:30 pm)

This information is provided as a courtesy, actual documents are on file at the Columbia County Public Works office.    

Columbia County Road Standards

2020 Public Works Fee Schedule Click Here

Small Works & Vendor Roster Information             
To be added to our Small Works & Vendor Roster please complete the form at the link below and return to the Public Works Department.  Please note: All small works contractors must be aware of Washington State prevailing wage laws.

Small Works & Vendor Roster Application
Small Works & Vendor Roster Application Part 2-Required

Columbia County Winter Road Closures:
Winter Road Closures Click Here

Columbia County Emergency Road Closures Due to Winter Weather:
None at this time

Columbia County Emergency Road Closures Due to Flooding:
This list of road closures will be updated as soon as information becomes available. Please be aware that some of the roads listed here will remain closed for an extended period of time, up to several months. Click here for a map of the road closures, and see below for the list:

Brines Road: Closed at River
Harting Grade Road: Closed at Bridge
King Grade Road: Closed at River
Pettyjohn Grade Road
Robinson Fork Road
S. Patit Road: at mile post 4.5
Tucannon Road: Marengo to Hartsock is open, but sections throughout are 1-lane traffic only
Tucannon Road: Closed at fish hatchery

Open to local traffic only:
Baileysburg Road
S. Patit Road
S. Touchet Road: mile 4 & up

Restrictions:
Crall Hollow Road
N. Patit Road
N. Touchet Road
Tucannon Road

Current Roads with Load Restrictions
Eckler Mountain Road
Hatley Gulch Road
Hartsock Grade Road
Robinette Mountain Road

Road Load Restriction Regulations

Practical Applications for Load Restrictions

Resolution Regarding Load Restrictions

ORV Resolution 2010-12
ORV use on Columbia County Roads

Addressing and Right-of-Way Permits
Right-of-Way Access Conditions
Approach Design Standards
Approach Permit
Addressing Permit
Utility Permit

Columbia County Public Works Organizational Chart Click Here



   




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