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This information is provided as a courtesy; actual documents are on file at the Columbia County Public Works office.
Columbia County Road Standards (PDF)
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.
Snow Plowing Policy:Snow Plowing Policy (PDF)
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 RoadS. Patit Road: at mile post 4.5
Hartsock Grade RoadHatley Gulch RoadTucannon Road
Road Load Restriction Regulations (PDF)Practical Applications for Load Restrictions (PDF)Details on Bridge Load Restrictions (PDF)Resolution Regarding Load Restrictions (PDF)
Permit to Exceed Special Road Restrictions (PDF)
ORV use on Columbia County Roads (PDF)