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Oregon County Attachments

County Routes

Our detailed documents for each specific county include important information about dimension-restricted bridges and roads with listings of highway names, crossing locations, pilot vehicle requirements and specific weight restrictions. Approved routes for truck and trailer combinations are noted with maximum allowable lengths on county highways. Back to Over-Dimension Operations in Oregon.

County
Revision Date
C01 — Baker
June 2015
C02 — Benton
November 2019
C03 — Clackamas
April 2023
C04 — Clatsop
March 2020
C05 — Columbia
July 2017
C06 — Coos
July 2022
C07 — Crook
February 2016
C08 — Curry
October 2015
C09 — Deschutes
January 2015
C10 — Douglas
December 2020
C11 — Gilliam
January 2002
C12 — Grant
January 2002
C13 — Harney
January 2002
C14 — Hood River
December 2019
C15 — Jackson
November 2024
C16 — Jefferson
March 2024
C17 — Josephine
March 2006
C18 — Klamath
February 2024
C19 — Lake
March 2007


County
Revision Date
C20 — Lane
August 2024
C21 — Lincoln
May 2015
C22 — Linn
December 2020
Linn County Map (reference only)
July 2020
C23 — Malheur
January 2002
C24 — Marion 
December 2023
Marion County Map (reference only) 
April 2022
C25 — Morrow
August 2009
C26 — Multnomah
February 2024
C27 — Polk
July 2014
C28 — Sherman
August 2007
C29 — Tillamook
June 2017
C30 — Umatilla
August 2022
C31 — Union
December 2014
C32 — Wallowa
January 2002
C33 — Wasco
July 2024
C34 — Washington
May 2018
C35 — Wheeler
January 2002
C36 — Yamhill
March 2023
C51A — City of Portland Map
August 2022