Washington State Route 403

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State Route 403 marker

State Route 403
Altoona–Pillar Rock Road
SR 403 highlighted in red
Route information
Auxiliary route of SR 4
Maintained by WSDOT
Length: 10.4 mi[3] (16.7 km)
Existed: 1964[1][2] – 1991[4]
Major junctions
South end: Pillar Rock
North end: SR 4 in Rosburg
Location
Counties: Wahkiakum
Highway system
SR 402 I‑405

State Route 403 (SR 403, now known as the Altoona–Pillar Rock Road[3]) was a state highway in Wahkiakum County, in the U.S. state of Washington. It extended 10.4 miles (16.7 km) from Pillar Rock northwest to SR 4 in Rosburg. The route served as a connector to Pillar Rock. The highway was Secondary State Highway 12C (SSH 12C) from 1943 until 1964, which ran from Pillar Rock to Rosburg. In 1991, SR 403 was removed from the state highway system.

Route description[edit]

SR 403 ran 10.4 miles (16.7 km) from Pillar Rock northwest to SR 4 in Rosburg. The route served as a connector to Pillar Rock.[3][5] The road started at Pillar Rock, a natural rock formation along the Columbia River. SR 403 went west and passed the communities of Brookefield and Altoona while paralleling the Columbia River's shoreline. The highway then went northwest and then curved westward before reverting to a more northern route to Rosburg. In Rosburg, SR 403 ended at an intersection with SR 4.[3][6]

History[edit]

The shield of SSH 12C.

When the Primary and Secondary Highways were formed in 1937, the former route of SR 403 became Secondary State Highway 12C (SSH 12C).[7] SSH 12C became SR 403 in 1964 during the 1964 highway renumbering, in which the Washington State Department of Transportation (WSDOT) replaced the previous system of Primary and Secondary Highways with a new system called State Routes, which is still in use today.[1][2] In 1991, the Washington State Legislature approved a law that removed the highway from the state route system.[4]

Major intersections[edit]

The entire highway is in Wahkiakum County.

Location mi[3] km Destinations Notes
Pillar Rock 0.0 0.0 Pillar Rock
Rosburg 10.4 16.7 SR 4 (Ocean Beach Highway) – Naselle, Cathlamet, Longview
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

  1. ^ a b C. G. Prahl, Washington State Highway Commission (December 1, 1965). "Identification of State Highways, Part 1" (PDF). 
  2. ^ a b C. G. Prahl, Washington State Highway Commission (December 1, 1965). "Identification of State Highways, Part 2" (PDF). 
  3. ^ a b c d e Google (November 20, 2015). "Former State Route 403 Map" (Map). Google Maps. Google. Retrieved November 20, 2015. 
  4. ^ a b Washington State Legislature (1991). "Engrossed Senate Bill 5801, Chapter 342". Retrieved November 29, 2008. 
  5. ^ The Road Atlas (Map). Rand McNally. 2008. p. 108. ISBN 0-528-93961-0. 
  6. ^ Official State Highway Map (PDF) (Map) (2008-2009 ed.). 1:842,000. Official State Highway Maps. Cartography by U.S. Geological Survey. Olympia, Washington: Washington State Department of Transportation. 2008. § G2. Retrieved November 29, 2008. 
  7. ^ Washington State Legislature (1937). "207". Session Laws of the State of Washington. Session Laws of the State of Washington (1937 ed.). Olympia, Washington: Washington State Legislature. Retrieved November 29, 2008. 

External links[edit]

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