Oregon Route 331

From the AARoads Wiki: Read about the road before you go
Jump to navigation Jump to search

Oregon Route 331

Route 331 highlighted in red
Route information
Maintained by ODOT
Length4.84 mi[1] (7.79 km)
Major junctions
South end I-84 / US 30 near Mission
North end OR 11 near Mission
CountryUnited States
Highway system
OR 293 OR 332

Oregon Route 331 (OR 331) is a short state highway in Umatilla County, Oregon. The highway runs 5 miles (8 km) entirely on the Umatilla Indian Reservation from Interstate 84 to OR 11 near Mission. OR 331 is known as the Umatilla Mission Highway No. 331 (see Oregon highways and routes).

OR 331 was established in 2003 as part of Oregon's project to assign route numbers to highways that previously were not assigned.

Route description

OR 331 begins at an interchange with Interstate 84 and U.S. Route 30 on the Umatilla Indian Reservation. The highway travels north, passing the Wildhorse Resort & Casino and the tribal headquarters to the center of Mission. The road then crosses a railroad and the Umatilla River before ascending up to a plateau formed by the river and Wildhorse Creek. OR 331 terminates at an intersection with OR 11, approximately 4 miles (6.4 km) northeast of Pendleton.[2]


OR 331 was assigned to the Umatilla Mission Highway in 2003.[3]

Major intersections

The entire route is in Umatilla County.

Mission0.000.00 I-84 / US 30 – Pendleton, La Grande, McKay CreekContinues as Market Road
4.847.79 OR 11 – Pendleton, Milton-Freewater
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ "Umatilla Mission Highway No. 331" (PDF). Oregon Department of Transportation. October 2016. Retrieved June 18, 2018.
  2. ^ Google (June 18, 2018). "Oregon Route 331" (Map). Google Maps. Google. Retrieved June 18, 2018.
  3. ^ "Description of US and OR Routes" (PDF). Oregon Department of Transportation. May 2005. p. 29. Archived from the original (PDF) on November 2, 2005. Retrieved June 18, 2018.