Oregon Route 339
|Maintained by ODOT|
|Length:||5.25 mi (8.45 km)|
|Existed:||2003 – present|
|South end:||OR 11 in Milton-Freewater|
|OR 332 in Sunnyside|
|North end:||State Line Road near Ferndale|
Oregon Route 339 (OR 339) is an Oregon state highway running from the Washington state line near Ferndale to OR 11 in Milton-Freewater. OR 339 is known as the Freewater Highway No. 339 (see Oregon highways and routes). It is 5.25 miles (8.45 km) long and runs north–south, entirely within Umatilla County.
OR 339 was established in 2003 as part of Oregon's project to assign route numbers to highways that previously were not assigned, and, as of July 2010, was unsigned.
Route description 
OR 339 begins at an intersection with State Line Road approximately one and one half miles north of Ferndale, at the Washington state line, and heads south through Ferndale and Sunnyside. Approximately one-half mile south of Sunnyside, OR 339 intersects OR 332. OR 339 then continues south to Milton-Freewater, ending at an intersection with OR 11.
OR 339 was assigned to the Freewater Highway in 2003.
Major intersections 
|0.00||Near Ferndale||State Line Road at Washington state line (Begin route)|
- Oregon Department of Transportation, Descriptions of US and Oregon Routes, http://www.oregon.gov/ODOT/HWY/TRAFFIC/TEOS_Publications/PDF/Descriptions_of_US_and_Oregon_Routes.pdf, page 30.
- Oregon Department of Transportation, Freewater Highway No. 339, ftp://ftp.odot.state.or.us/tdb/trandata/maps/slchart_pdfs_1980_to_2002/Hwy339_1996.pdf