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Interstate 82

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Interstate 82 marker

Interstate 82
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Interstate 82 highlighted in red
Route information
Maintained by WSDOT and ODOT
Length:143.58 mi[2][3][4] (231.07 km)
Existed:1956[1] – present
Major junctions
West end: I-90 / US 97 in Ellensburg, WA
  US 12 in Yakima, WA
US 97 near Yakima, WA
I-182 / US 12 near Richland, WA
US 395 near Kennewick, WA
US 395 / US 730 in Umatilla, OR
East end: I-84 / US 30 in Umatilla County, OR
Highway system

Main route of the Interstate Highway System
Main • Auxiliary • Business

OR 78 OR OR 82
SR 41 WA I-90

Interstate 82 (sometimes called I-82) is a 143.58 miles (231.07 km) long[2][3][4] Interstate Highway in the states of Washington and Oregon. The road goes from Interstate 90 and U.S. Route 97 in Ellensburg, Washington southeast through Yakima, Washington, the Tri-Cities of Washington, and Umatilla, Oregon before ending at Interstate 84 in Hermiston, Oregon.[5][6][7][8]

Since I-82 is north of Interstate 84, it breaks the rules for Interstate numbering. This happened because when Interstate 80N was renumbered to Interstate 84 in 1980, Interstate 82 became north of Interstate 84. The renumbering was part of a project to remove Interstates that have letters within their numbers.[9]

The highway goes over Selah Creek on a bridge called the Fred G. Redmon Bridge. When this bridge was opened on November 2, 1971 it was the longest concrete arch bridge in North America.[10][11] The bridge is 549 feet long when it goes above the creek.[10][11]

In 1999, the state of Oregon wanted to make Interstate 82 longer. They planned three different roads, but all of them were not chosen.[12][13] The freeway also has a spur route, Interstate 182, which connects Interstate 82 to Richland, Washington and Pasco, Washington.[14]

Roads crossed

Cities and towns along the highway

Counties along the highway


  1. Washington State Legislature. "RCW 47.17.135: State route No. 82 — Washington green highway". Retrieved 2008-08-10. 
  2. 2.0 2.1 Federal Highway Administration (2002-10-31). "Route Log and Finder List, Main Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways". Retrieved 2008-08-27. 
  3. 3.0 3.1 Washington State Department of Transportation (2006). "State Highway Log" (PDF). Retrieved 2008-08-27. 
  4. 4.0 4.1 Oregon Department of Transportation. "Public Road Inventory". Retrieved 2008-08-27. 
  5. Google Maps. Overview map of I-82 [map]. Cartography by NATVEQ. (2008) Retrieved on 2008-08-22.
  6. Washington State Department of Transportation. Official State Highway Map [map], 2008-2009 edition, 1:842,000, Official State Highway Maps. Cartography by U.S. Geological Survey. (2008) Retrieved on 2008-08-07.
  7. GM Johnson. Washington Large Print [map], 2007 edition, GM Johnson Large Print State Maps. (2007) Retrieved on 2008-08-08.
  8. GM Johnson. Oregon Large Print [map], 2007 edition, GM Johnson Large Print State Maps. (2007) Retrieved on 2008-08-08.
  9. "Highway Resolutions - Interstate 84". Utah Department of Transportation. Retrieved 2008-05-18. 
  10. 10.0 10.1 HistoryLink (2005-03-07). "Fred Redmon Bridge (Selah Creek Bridge) opens on November 2, 1971". Retrieved 2008-08-27. 
  11. 11.0 11.1 Washington State Department of Transportation. "WSDOT - History of WSDOT (1978-1990)". Retrieved 2008-09-09. 
  12. Sinks, James. "Eastern Oregon waits for new highway". The Bulletin (The Bulletin). 
  13. Oregon Department of Transportation. "Interstate 50th Anniversary: The Story of Oregon’s Interstates". Retrieved 2008-08-24. 
  14. Google Maps. Map of I-182 [map]. Cartography by NATVEQ. (2008) Retrieved on 2008-08-22.

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