District Maps
- St. Helens District (740 KB TIFF)
- Rainier District (874KB TIFF)
- Vernonia District(84KB TIFF)
- Clatskanie District (743KB TIFF)
(Roads beginning with a dot and ending with an arrow are County Roads)
Bridge Map (963KB TIFF)
1987 ODOT Map for Columbia County (1.7MB TIFF)
Current ODOT Map for Columbia County (3.7 MB PDF)
- Current ODOT Map for Clatskanie
- Current ODOT Map for Columbia City
- Current ODOT Map for Prescott
- Current ODOT Map for Rainier
- Current ODOT Map for Scappoose
- Current ODOT Map for St. Helens
- Current ODOT Map for Vernonia
Tax Lot Maps for Columbia County
(Change the pull-down menu from "Baker" to "Columbia" and open the folder labeled with the correct Township and Range)