Columbia County Public Works: 509.382.2534
This information is provided as a courtesy; actual documents are on file at the Columbia County Public Works office.
Columbia County Road Standards
Tucannon Road is limited to 4 tons per axle. Haul permits are required. Please contact the Public Works office for more information and to get permits.
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.
Pettyjohn Grade Road
Columbia County Roads with Load Restrictions:
Eckler Mountain Road
S. Patit Road: at mile post 4.5
Hartsock Grade Road
Hatley Gulch Road
Robinette Mountain Road
Road Load Restriction Regulations
Practical Applications for Load Restrictions
Details on Bridge Load Restrictions
Resolution Regarding Load Restrictions
Permit to Exceed Special Road Restrictions
ORV Resolution 2010-12
ORV use on Columbia County Roads