U.S. Route 30 in Oregon

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U.S. Highway 30 marker

U.S. Highway 30
Route information
Maintained by ODOT
Length477.02 mi[1] (767.69 km)
(using the entire Huntington Highway through Lime)
Major junctions
West end US 101 in Astoria
East end I-84 / US 30 at the Idaho state line
CountiesClatsop, Columbia, Multnomah, Hood River, Wasco, Sherman, Gilliam, Morrow, Umatilla, Union, Baker, Malheur
Highway system
OR 27.svg OR 27OR 31.svg OR 31

In the U.S. state of Oregon, U.S. Route 30, a major east–west U.S. Highway, runs from its western terminus in Astoria to the Idaho border east of Ontario. West of Portland, US 30 generally follows the southern shore of the Columbia River; east of Portland the highway has largely been replaced with Interstate 84, though it is signed all the way across the state, and diverges from the I-84 mainline in several towns, as a de facto business route. (The state of Oregon does not sign Interstate business routes; instead it uses the designations US 30 and Oregon Route 99 (along the Interstate 5 corridor) for this purpose.) Out of all the states U.S. Route 30 traverses, it spends the most time in Oregon. At 477 miles, it is also the longest road in the state.

Route description[edit]

End US 30 Marker, Astoria, Oregon

Astoria to Portland[edit]

1937 sketch including Columbia River Highway (now U.S. Route 30) as it passes west of Sauvie Island, northwest of Portland

US 30 begins in Astoria, at an intersection with U.S. Route 101. US 101 southbound from the intersection goes down the length of the Oregon Coast, northbound US 101 crosses the Astoria-Megler Bridge into Washington state. US 30 proceeds east through the intersection, through downtown Astoria, and then along the southern bank of the Columbia.

East of Astoria, US 30 is known as the Lower Columbia River Highway No. 2W (see Oregon highways and routes), a designation which it carries until Portland.

Between Astoria and Portland, the highway passes through (or by) numerous Columbia River towns, such as Svensen, Knappa, Wauna, and Westport. In Westport, one can use the Wahkiakum County Ferry to cross the Columbia to Puget Island and Cathlamet, Washington.

Continuing east, the highway passes through the communities of Woodson and Clatskanie. East of Clatskanie, the highway runs inland from the river a bit, approaching the town of Rainier, Oregon.

Just before Rainier is an interchange providing access to the Lewis and Clark Bridge, which crosses the Columbia to Longview, Washington. After Rainier, the highway turns south, following a bend in the river, and runs parallel to Interstate 5 (which is across the river on the Washington side). Towns along the way include Goble, Deer Island, Columbia City, and St. Helens.

South of Deer Island, US 30 becomes an expressway, known locally as St. Helens Road. The highway proceeds through the towns of Warren, Scappoose, and Burlington (as well as passing by the access road to Sauvie Island) before entering Portland. East of Scappoose is the confluence of the Columbia and Willamette Rivers.

Portland area[edit]

In northwest Portland, US 30 is sandwiched between Forest Park to the west and the Willamette River to the east. South of the Linnton area, US 30 Bypass heads east across the St. Johns Bridge. US 30 continues south along St. Helens Road, then later on Yeon Avenue through an industrial area as it approaches Downtown Portland. On the edge of Downtown Portland, US 30 briefly becomes a freeway, utilizing part of the route of the cancelled I-505, until its interchange with I-405 at the western end of the Fremont Bridge.

US 30 crosses the Fremont Bridge (along with I-405), on the Stadium Freeway No. 61; at the eastern end of the bridge it joins Interstate 5 south for approximately one mile on the Pacific Highway No. 1 and then joins the Banfield Expressway (I-84), where it becomes the Columbia River Highway No. 2. For the remainder of its route in the Portland area, US 30 shares an alignment with I-84. I-84 passes through the eastern Portland suburbs of Fairview, Wood Village, Gresham, and Troutdale in this fashion.

US 30 Bypass is the Northeast Portland Highway No. 123. It runs along the following streets before rejoining US 30 in Wood Village:

N.W. Bridge Avenue, N. Philadelphia Avenue, N. Ivanhoe Street, N. Richmond Avenue, N. Lombard Street, N.E. Lombard Street, N.E. Portland Highway, N.E. Killingsworth Street, N.E. Sandy Boulevard, and N.E. 238th Drive.

U.S. Route 30 Business was a spur from US 30 Byp. northeast of Downtown Portland, across I-84/US 30 to Oregon Route 99E east of Downtown, just east of the Burnside Bridge. It has not rejoined US 30 on its west end since US 30 was moved onto I-405 and I-5 around Downtown.

East of Portland[edit]

Historic Route 30 Sign

US 30 runs mostly along I-84 in Oregon east of Portland, diverting to short segments of the old surface route to act as a business route or scenic route for I-84:

The sections concurrent with I-84 are part of the Columbia River Highway No. 2 west of U.S. Route 730 at Boardman and part of the Old Oregon Trail No. 6 east of U.S. Route 730.

There is also a U.S. Route 30 Business signed in the Ontario area. This is part of the Olds Ferry-Ontario Highway No. 455.


Interstate 505
Length3.17 mi (5.10 km)

Before the interstates were built, the Portland section of US 30 ran on Saint Helens Road to the Willamette Heights section of Portland, then on Wardway Street, then Vaughn Street, then NW 18th & 19th Avenues, then Burnside Street, and then Sandy Boulevard towards Troutdale.

In 1988, US 30 was realigned along NW Yeon Avenue in Portland to alleviate residential congestion.[2] The new route utilized an interchange with I-405 that was intended for a proposed Interstate 505.[3] The proposed interstate was intended to be a 3.17-mile (5.10 km) freeway spur in northwest Portland that would have connected I-405 to St. Helens Road, the latter being the original route for U.S. 30. Funding for the freeway was withdrawn by the city government in November 1978, as it would have required condemnation and rerouting streets on a swath of land through the Northwest Industrial neighborhood.[4] The federal government formally approved the project's cancellation in December 1979 and reallocated funds to other transportation improvements in the area.[5][6]

Major intersections[edit]

ClatsopAstoria0.000.00 US 101 to US 26 – Seaside, Ilwaco, Long Beach
Westport26.8143.15Westport Ferry Road – Wahkiakum County Ferry
ColumbiaClatskanie35.7757.57 OR 47 south – Mist, Vernonia, Jewell
Rainier47.7276.80Longview, Seattle (via Lewis and Clark Bridge)Interchange
Multnomah83.2133.9Cornelius Pass Road
US 30 Byp. east (St. Johns Bridge)
93.91151.13Nicolai Street – Montgomery Park
93.91151.13Western end of freeway
94.19151.58Vaughn StreetWestbound exit and eastbound entrance
I-405 south to US 26 – Portland City Center, Beaverton, SalemWestern end of I-405 overlap
95.05152.97Fremont Bridge over the Willamette River
95.30153.37Kerby AvenueEastbound exit and westbound entrance
I-5 north – SeattleEastern end of I-405 overlap; western end of I-5 overlap
96.29154.96302ABroadway, Weidler Street – Rose Quarter, Portland City Center
96.60155.46Oregon Convention Center, Rose QuarterWestbound exit only
96.73155.67 I-5 south – Beaverton, Salem, Portland City CenterEastern end of I-5 overlap; western end of I-84 overlap
97.19156.41 OR 99EEastbound entrance only
97.65157.151Lloyd CenterWestbound exit and eastbound entrance
98.89159.15133rd AvenueEastbound exit and westbound entrance
99.28159.782César E Chávez Boulevard, 43rd AvenueFormer US 30 Bus.
100.42161.61358th AvenueEastbound exit and westbound entrance
100.99162.534Halsey Street, 68th AvenueEastbound exit only
101.74163.735 OR 213 (82nd Avenue)Eastbound exit and westbound entrance
102.49164.946 I-205 south – SalemEastbound exit and westbound entrance
102.59165.107Halsey Street – Gateway DistrictEastbound exit only
103.32166.288 I-205 north – Seattle, Portland AirportEastbound exit and westbound entrance
103.47166.529102nd Avenue – ParkroseEastbound exit and westbound entrance
103.83167.109 I-205 – Seattle, SalemWestbound exit and eastbound entrance
Fairview108.81175.1114Fairview Parkway (to US 30 Byp. west)
Dodson129.54208.4735Historic Columbia River Highway west – Ainsworth State Park
Hood RiverCascade Locks137.78221.74 I-84 east – The DallesEastbound exit and westbound entrance; eastern end of I-84 overlap
138.24222.48Bridge of the Gods – Stevenson
139.06223.80Forest Lane (Historic Columbia River Highway east)
139.89225.13 I-84 west – PortlandWestbound exit and eastbound entrance; western end of I-84 overlap
141.87228.3247Forest Lane (Historic Columbia River Highway west) – Herman CreekWestbound exit and eastbound entrance
Hood River156.37251.65 I-84 east – The DallesEastern end of I-84 overlap
157.81253.9713th Street (OR 281)
158.95255.81 OR 35 / Historic Columbia River Highway State Trail east – Odell, Parkdale, Mount Hood
Hood River159.27–
I-84 west / Hood River Bridge – Portland, Bingen, White SalmonWestern end of I-84 overlap
WascoMosier164.47264.69 I-84 east – The DallesEastern end of I-84 overlap
164.84265.28Historic Columbia River Highway State Trail west
Rowena173.83279.75 To I-84 – The Dalles, Hood River, Mayer State Park
176.55284.13 To I-84 – Port of The Dalles
The Dalles181.19291.60 I-84 – Pendleton, Portland, Port of The DallesInterchange
183.16294.77 To I-84Interchange
184.66297.18 US 197 south – Dufur, BendWestern end of US 197 overlap
I-84 west / US 197 north – The Dalles, Portland, YakimaEastern end of US 197 overlap; west end of I-84 overlap
195.06313.9297 OR 206 – Celilo Park, Deschutes State Park
Sherman202.48325.86104 US 97 – Yakima, Bend
GilliamArlington235.74379.39137 OR 19 – Arlington, Condon
245.27394.72147 OR 74 – Ione, Heppner
Morrow265.87427.88168 US 730 – Irrigon
Umatilla277.37446.38179 I-82 west – Hermiston, Umatilla, Kennewick
280.78451.87182 OR 207 – Hermiston, Lexington
286.76461.50188 US 395 north – Stanfield, Echo, HermistonWestern end of US 395 overlap
291.45469.04193Echo Road (Lexington–Echo Highway) – Echo, Lexington
Pendleton305.02490.88 I-84 east / US 395 south – La GrandeEastern end of I-84 overlap
307.13494.28 OR 37 north – Holdman
307.66495.13 To US 395 south – Pilot Rock, John Day
308.97497.24 OR 11 south to I-84 / US 395 – Portland, La GrandeWestern end of OR 11 overlap
309.67498.37 OR 11 north – Milton-Freewater, Walla WallaEastern end of OR 11 overlap
310.38499.51Mission Road – Mission, Indian Agency, GibbonInterchange; eastbound exit and westbound entrance
311.65501.55 I-84 west – PortlandWestern end of I-84 overlap; westbound exit and eastbound entrance
314.33505.87216Milton-Freewater, Walla Walla (OR 331)
Union351.11565.06252 OR 244 – Starkey, Ukiah
357.47575.29 I-84 east – Baker City, OntarioEastern end of I-84 overlap; eastbound exit and westbound entrance
La Grande359.74578.95 OR 82 to I-84 – Elgin, Wallowa Lake
I-84 west / OR 203 south – Pendleton, UnionWestern end of I-84 overlap
North Powder383.52–
I-84 east / OR 237 – Baker City, North PowderEastern end of I-84 overlap
BakerBaker City403.17648.84 OR 7 north to I-84 – Richland, La Grande, Hells CanyonWestern end of OR 7 overlap
403.41649.23 OR 7 south – Salisbury, Unity, John DayEastern end of OR 7 overlap
405.84653.14 I-84 west – La GrandeWestern end of I-84 overlap
441.58710.65 I-84 east – OntarioEastern end of I-84 overlap; eastbound exit and westbound entrance
444.84715.90 I-84 – Baker City, OntarioInterchange
Malheur452.67728.50 I-84 west – Baker CityWestern end of I-84 overlap
455.55733.14356 OR 201 – WeiserFormer US 30N east
473.93762.72374 OR 201 (US 30 Bus. east) to US 20 / US 26 – Ontario, Weiser, Vale

I-84 east / US 30 Bus. west to US 20 / US 26 – Boise, Ontario, Vale
477.02767.69 US 30 east – FruitlandBridge over the Snake River (state line); continuation into Idaho
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]


  1. ^ a b Oregon Department of Transportation, Public Road Inventory Archived 2008-02-24 at the Wayback Machine (primarily the Digital Video Log), accessed March 2008
  2. ^ Federman, Stan (May 5, 1988). "Summer 1988 to be fairly free of road hassles". The Oregonian. p. C2.
  3. ^ Jeffries, Pat (February 1, 1983). "Freeway extension will displace homes, businesses". The Oregonian. p. B2.
  4. ^ Mantia, Patty (December 12, 1978). "I-505: the little freeway that wasn't". The Oregonian. p. B7.
  5. ^ Kramer, George (May 2004). The Interstate Highway System in Oregon: A Historic Overview (PDF) (Report). Oregon Department of Transportation. pp. 68–72. Retrieved March 30, 2021 – via Oregon State Library. CS1 maint: discouraged parameter (link)
  6. ^ "Goldschmidt releases funds". The Oregonian. December 15, 1979. p. C10.

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