U.S. Route 730
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U.S. Route 730
Maintained by Oregon DOT and WSDOT
US 730 highlighted in red.
Length:	41.78 mi12 (67.24 km)
Formed:	1926
West end:	I-84 / US 30 near Boardman, OR
Major junctions:	I-82 / US 395 in Umatilla, OR
East end:	US 12 near Wallula, WA
United States Numbered Highways < OR 569 OR OR 3 > < SR 706 WA SR 821 > List - Bannered - Divided - Replaced

U.S. Route 730 is a U.S. highway in the U.S. states of Oregon and Washington. It is numbered as a spur of U.S. Route 30, which runs from Astoria, Oregon to Atlantic City, New Jersey. US 730 stretches 42 miles (68 km) from Interstate 84 and U.S. Route 30 east of Boardman, Oregon northeast to U.S. Route 12 near Wallula, Washington. In Oregon, US 730 is officially known as part of the Columbia River Highway No. 2 (see Oregon highways and routes).³⁴⁵⁶

Route description

Oregon

US 730 started at an interchange with Interstate 84 and U.S. Route 30 east of the city of Boardman. From the interchange, US 730 goes northeast to Irrigon, where it forms the city's main street.⁷ From Irrigon, the highway goes east into Umatilla, where it intersects I-82 and US 395.⁸ At the interchange, US 395 joins US 730 for a short distance before going south just outside of Umatilla. From the split, US 730 continues east and intersects Oregon Route 207 before going into Cold Springs Junction, where it intersects Oregon Route 37.⁹ From Cold Springs Junction, US 730 goes northeast into Washington.¹⁰

Washington

US 730 continues from the Oregon border along the Columbia River towards Wallula, Washington. After going northeast along the coasts of the Columbia River and Lake Wallula, US 730 turns east to intersect U.S. Route 730 Spur and end at U.S. Route 12.¹¹ Legally, the Washington section of US 730 is defined in Washington Revised Code § 47.17.821.¹²

U.S. Route 730 Spur

U.S. Route 730 Spur
Location	Wallula, Washington
Commissioned	? –

U.S. Route 730 Spur (US 730 Spur) is a 0.30-mile² (0.48 km) route that runs from US 730 to US 12 westbound towards Downtown Wallula, Washington and Pasco, Washington. Along the road, there is a weigh station operated by the Washington State Patrol.¹³¹⁴

History

In the original 1926 plan for the U.S. highway system, US 730 went from U.S. Route 30 east of Umatilla, Oregon to U.S. Route 410 south of Wallula, Washington. In 1945, a new section of US 30 was built, which made US 730's west end at US 30 in Boardman, Oregon. Later in 1962, there was a plan to extend U.S. Route 12 westward towards the Pacific Ocean. One of the plans involved using US 730 as part of US 12, therefore removing US 730 from the system. Another plan, which used US 410 in Washington instead of US 730, was accepted in 1967. In 1966, US 730's terminus was changed to its current western end at I-84/US 30.

From 1937 to 1986, U.S. Route 395 was co-signed with US 730 from Utamilla to Wullula.¹⁵¹⁶¹⁷ The portion of US 730 in Washington state was signed as the Wallula branch of Primary State Highway 3.

Major intersections

County	Location	Mile12	Destinations	Notes
Morrow		0.00	I-84 / US 30 – Boardman, Portland, Pendleton
		0.00	Lexington, Heppner (Bombing Range Road)
Umatilla	Umatilla	16.53	I-82 / US 395 north to I-84 – Kennewick, Spokane, Pendleton, Portland	Interchange; west end of US 395 overlap
		17.29	US 395 south to I-84 east – Hermiston, Pendleton, McNary Dam	East end of US 395 overlap
		23.76	OR 207 south – Hermiston, Heppner
	Cold Springs Junction	25.88	OR 37 south – Holdman, Pendleton, Warehouse Beach Recreation Area
		35.70	State line
Walla Walla
		41.78	US 12 – Pasco, Walla Walla

References

External links

• ORoads: U.S. Route 730
• Highways of Washington State: U.S. Route 730

v • d • e U.S. Routes related to US 30 US 130 - US 230 - US 330 - US 430 - US 530 - US 630 - US 730 - US 830

v • d • e U.S. Routes in Washington 2  · 10  · 10A  · 12  · 95  · 97  · 97A  · 97S  · 99  · 99A  · 101  · 101A  · 195  · 195S  · 197  · 295  · 395  · 410  · 730  · 830 Deleted or moved highways shown in italics