Washington State Route 531

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State Route 531 marker

State Route 531
SR 531 highlighted in red
Route information
Auxiliary route of I-5
Defined by RCW 47.17.757
Maintained by WSDOT
Length: 9.88 mi[2] (15.90 km)
Existed: 1991[1] – present
Major junctions
West end: NPS map symbol campground.png Wenberg County Park in Lake Goodwin
  I‑5 in North Lakewood
East end: SR 9 near Arlington
Highway system
SR 530 SR 532

State Route 531 (SR 531) is a short Washington state highway in Snohomish County. It extends east 9.88 miles (15.90 km), from Wenberg County Park in the community of Lake Goodwin, to SR 9 in southeast Arlington. SR 531 intersects Interstate 5 (I-5), and passes the Arlington Airport. The route connects I-5 to SR 9, Smokey Point, and Wenberg County Park. The Washington State Legislature approved SR 531's current route in 1991. Since then, construction projects, arranged by the Washington State Department of Transportation (WSDOT), have turned this small road into an arterial street. Even though the Washington State Legislature and WSDOT approved SR 531 in 1991, they erected no signs until April 1, 1992, when the law creating the road took effect.

The road now used by SR 531 has existed as a separate route since at least 1911. A map dating from 1911 shows that 172nd Street, then known simply as Lakewood Road and Edgecomb Road, extended east from its current intersection with SR 9 to the banks of the South Fork Stillaguamish River. In October 2008, WSDOT discovered a collapsed culvert on SR 531's Cougar Creek bridge. They repaired the culvert using a hydraulic ram to insert a 24-inch (610 mm) diameter pipe to stabilize it. The construction, which took place on October 21 and October 24, caused traffic on SR 531 to detour to McRae Road, 45 Road, and 11th Avenue.

Route description[edit]

SR 531 eastbound at 27th Avenue, approaching the I-5 bridge

State Route 531 runs about 9.88 miles (15.90 km), from Wenberg County Park to State Route 9 south of Arlington.[3] The route links the communities of Lake Goodwin, North Lakewood (also known as Lakewood), Smokey Point, and Edgecomb. It also passes four schools in the Lakewood School District,[4][5][6] as well as Weston High School in the Arlington School District.[7] The road intersects four major arteries: Forty-Five Road, Interstate 5, Smokey Point Boulevard (formerly known as U.S. Route 99), and 67th Avenue, before ending at SR 9.[8][9][10] WSDOT found that, based on average annual daily traffic (AADT) data, about 35,000 motorists utilize the road daily at the I-5 interchange.[11]

Starting at Wenberg County Park, the route runs north along East Lake Goodwin Road until it intersects Lakewood Road. From there, SR 531 travels east along Lakewood Road around Lake Ki before reaching Forty-Five Road. Here, Lakewood Road becomes the main artery of North Lakewood and Smokey Point, 172nd Street. Continuing east, SR 531 intersects 11th Avenue.[12]

After intersecting 11th Avenue, SR 531 becomes the northern boundary of the Lakewood High School campus. SR 531 continues east from 11th Avenue to 16th Drive,[13] shortly after entering Marysville city limits.[14] Soon thereafter, the road intersects 19th Drive, which connects the southeastern section of North Lakewood with SR 531. Continuing east across a double track, the highway intersects 27th Avenue, which connects the road with Lakewood Crossing, a shopping center in Lakewood. SR 531 then continues further east to the interchange with I-5.[15][16]

After leaving the interchange with I-5, along with North Lakewood and Marysville city limits,[14][17] SR 531 continues east to Smokey Point Boulevard (formerly U.S. Route 99) in Smokey Point. The road then maintains straight east,[18] passing Weston High School and Arlington Municipal Airport before intersecting 67th Avenue. From 67th Avenue, SR 531 travels east to a suburban community of Edgecomb.[19] The road curves northeast and then southeast while on a hill. SR 531 travels east past the Arlington Gun Range and Gleneagle, a large housing area, before ending at an intersection with SR 9.[20][21]

History[edit]

A 1911 map showing what is now SR 531 from Wenberg County Park to Edgecomb

The whole stretch highway from Wenberg County Park to current SR 9 has been known to exist earlier than 1911.[22] 172nd Street NE, now SR 531, once extended from what is currently SR 9 to the banks of the South Fork Stillaguamish River.[22] This part of the highway has been removed.[8]

SR 531 became a state highway in 1991, but the highway designation did not take effect until April 1, 1992.[23] In 2006, WSDOT announced it would complete three more projects over about five years to improve SR 531. The first, to improve the bridge and interchange between I-5 and SR 531, began immediately.[24] The Tulalip, Stillaguamish, Samish and Kikiallus Tribes helped fund the construction of the project.[24] On April 30, 2005, the old two-lane SR 531 bridge was demolished during the night.[25] WSDOT redirected traffic on SR 531 to the completed north side of the new bridge,[26] while the northbound lanes of Interstate 5 were closed to all traffic and rerouted on ramps from I-5 to SR 531.[26][27] During construction, eastbound SR 531 left-turn lanes were closed; a detour on Smokey Point Boulevard and SR 530 provided direct drivers access to northbound I-5.[28] The other half of the bridge was later demolished in May 2005.[29] All of the temporary structures on the bridge were subsequently removed in December 2005.[30] Partly finished in June 2006, WSDOT plans to complete the project after adding a loop ramp in 2011.[31] In August 2007, WSDOT completed a project to add sidewalks along SR 531 to the adjacent schools of the Lakewood School District.[32]

SR 531 eastbound seen from the west end of the Oliver "Punks" Smith Bridge over I-5, constructed as part of a new interchange in 2010

On October 5, 2008, WSDOT discovered a collapsed culvert on SR 531's bridge over Cougar Creek. Days later, a sinkhole formed near the bridge, prompting authorities to close the bridge for repairs.[33][34][35] SR 531 was closed for three days, from October 21 until October 24,[36][37] and drivers on SR 531 used a detour, which went east on McRae Road, southeast on 45 Road, and north on 11th Avenue, ending at Lakewood High School, a 4.03-mile (6.49 km) route.[33][38] The cause of the collapse remains unknown, and WSDOT decided not to investigate incident.[33][39] Inspectors suspect the culvert later caused a sinkhole to form.[39] Trenchless Construction, the contractor in charge of the project, used a hydraulic ram to insert a 24-inch (610 mm) diameter pipe into the existing culvert, stabilizing it.[40]

An upcoming project, adding a loop ramp onto the I-5 interchange, started in March 2009 and will end in 2011.[31][41] WSDOT has awarded the contract for the project to Northwest Construction, Inc.[42] Part of the project includes widening the main entry point to Lakewood Crossing, by adding turn pockets.[43] Widening SR 531 between 43rd Avenue NE and 67th Avenue NE from its current two to five lanes near the Arlington Airport is another planned project.[44][45] The project is currently in planning stages and WSDOT has set up a webpage for the project.[46]

Major intersections[edit]

The entire highway is in Snohomish County.

Location Mile[2] km Destinations Notes
Wenberg County Park 0.00 0.00 Park entrance
Arlington 6.36 10.24 I‑5 – Seattle, Vancouver, BC
6.63 10.67 Smokey Point Boulevard Formerly US 99
9.88 15.90 SR 9 – Arlington, Lake Stevens
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

  1. ^ Washington State Legislature. "RCW 47.26.167". Retrieved July 11, 2008. 
  2. ^ a b Washington State Department of Transportation. "State Highway Log, 2006". Retrieved 2007-04-22. 
  3. ^ McKinnon's Real Estate (2006-11-07). Snohomish County Road Map (Map). Puget Sound Maps: Washington State, Snohomish County, Seattle, Whidbey Island & McKinnon's Real Estate Service Area. http://home-and-garden.webshots.com/photo/2131284020035382812SITegs. Retrieved 2008-10-17.
  4. ^ Lakewood School District. Lakewood School District Campus Site Plan (Map). http://www.lwsd.wednet.edu/district/images/Campus.pdf. Retrieved 2008-10-26.
  5. ^ Lakewood School District (1995). Lakewood School District Boundaries (Map). Cartography by Thomas Brothers. http://www.lwsd.wednet.edu/district/DistrictBoundaryMap.pdf. Retrieved 2008-10-26.
  6. ^ Lakewood School District (1995). Lakewood School District Elementary Boundaries (Map). Cartography by Thomas Brothers. http://www.lwsd.wednet.edu/district/images/Elementary_boundaries.jpg. Retrieved 2008-10-26.
  7. ^ Rand McNally, DeLorme (2008). DeLorme Washington Atlas & Gazetteer (Map). 1:160,000. DeLorme Atlas & Gazetteer (5th ed.). p. 95. http://shop.delorme.com/OA_HTML/DELibeCCtdItemDetail.jsp?forge_prod=R-asPcjmA7_6KW-is5u81RDm%3AS&beginIndex=0&item=338&section=10096&forge_prod_pses=forge_prod%3DR-asPcjmA7_6KW-is5u81RDm%253AS%7E. Retrieved 2008-10-26.
  8. ^ a b Yahoo! Inc. "State Route 531 Overview Map". Yahoo! Maps (Map). Cartography by Navteq. http://maps.yahoo.com/#mvt=m&lat=48.148064&lon=-122.228555&zoom=12&q1=48.136423%2C-122.28148&q2=48.151636%2C-122.113188. Retrieved 2008-11-21.
  9. ^ Rand McNally (2008). The Road Atlas (Map). p. 108, section D7. ISBN 0-528-93961-0.
  10. ^ City of Marysville. Marysville Fire Districts (Map). http://www.marysvillewa.gov/gis/maps/firedist_18x22.pdf. Retrieved 2008-11-02.
  11. ^ Washington State Department of Transportation (2007). "Washington Annual Average Daily Traffic Data". Retrieved 2008-08-26. 
  12. ^ Yahoo! Inc. "State Route 531 Map (Wenberg SP to Forty-Five Road)". Yahoo! Maps (Map). Cartography by Navteq. http://maps.yahoo.com/#mvt=m&lat=48.145974&lon=-122.265612&zoom=14&q1=48.136423%2C-122.28148&q2=48.151972%2C-122.238318. Retrieved 2008-11-21.
  13. ^ Washington State Department of Transportation (2005). SR 531 – Lakewood Schools Sidewalks – Project Map (Map). Cartography by Tele Atlas. http://www.wsdot.wa.gov/Projects/SR531/LakewoodSchoolsSidewalks/map.htm. Retrieved 2008-10-17.
  14. ^ a b City of Marysville (October 2007). City of Marysville (Map). http://www.marysvillewa.gov/gis/maps/Marysville_11x17.pdf. Retrieved 2008-11-02.
  15. ^ Yahoo! Inc. "State Route 531 Map (Forty-Five Road to I-5)". Yahoo! Maps (Map). Cartography by Navteq. http://maps.yahoo.com/#mvt=m&lat=48.149982&lon=-122.21583&zoom=14&q1=48.151972%2C-122.238318&q2=48.152316%2C-122.188772. Retrieved 2008-11-21.
  16. ^ Washington State Department of Transportation. Smokey Point: I-5/172nd Street NE (SR 531) Interchange Modifications Map (Map). http://www.wsdot.wa.gov/Projects/SR531/SmokeyPt/map.htm. Retrieved 2008-10-17.
  17. ^ Washington State Department of Transportation. I-5 – 172nd St Street (SR 531, Smokey Point) Interchange Improvements – Project Map (Map). http://www.wsdot.wa.gov/Projects/SR531/I5LoopRamp/map.htm. Retrieved 2008-10-17.
  18. ^ City of Marysville (2005). City of Marysville, Topography (Map). http://www.marysvillewa.gov/gis/maps/topo_24x36.pdf. Retrieved 2008-11-02.
  19. ^ GM Johnson (2004). Marysville, Arington, Stanwood, Camano Island (Map). City Street Maps (2004 ed.). Burnaby, British Columbia. ISBN 1-897152-67-1. http://store.maplink.com/map.aspx?nav=MS&cid=10056,10078&pid=522941. Retrieved 2008-07-07.
  20. ^ Yahoo! Inc. "State Route 531 Map (I-5 to SR 9)". Yahoo! Maps (Map). Cartography by Navteq. http://maps.yahoo.com/#mvt=m&lat=48.151586&lon=-122.158324&zoom=13&q1=48.152316%2C-122.188772&q2=48.151629%2C-122.113177. Retrieved 2008-11-21.
  21. ^ Washington State Department of Transportation (2008). Official State Highway Map (Map). 1:842,000. Official State Highway Maps. Cartography by U.S. Geological Survey (2008-2009 ed.). Olympia, Washington. Section 3C. http://www.wsdot.wa.gov/NR/rdonlyres/87105CAD-83A9-49A7-80F3-5719637C1E2D/0/FrontMapBig.pdf. Retrieved 2008-07-23.
  22. ^ a b United States Geological Survey (1911). Topography map of Mount Vernon and Vincity (Map). 1:125,000 (January 1911 ed.). http://content.wsulibs.wsu.edu/cgi-bin/pview.exe?CISOROOT=/maps&CISOPTR=447&CISORESTMP=/qbuild/buildplate11.html&CISOVIEWTMP=/qbuild/buildplate12.html&CISOROWS=2&CISOCOLS=5&CISOCLICK=title:subjec:creato:date:type. Retrieved 2008-09-12.
  23. ^ Washington State Legislature. "RCW 47.17.757". Retrieved 2008-05-09. 
  24. ^ a b Washington State Department of Transportation. "I-5/SR 531 Interchange Improvements". Archived from the original on December 30, 2006. Retrieved 2008-05-10. 
  25. ^ Washington State Department of Transportation. "Construction Photos – Smokey Point: I-5/172nd St. NE (SR 531) Interchange Modifications". Archived from the original on October 4, 2006. Retrieved 2008-11-21. 
  26. ^ a b Washington State Department of Transportation. "I-5 – Smokey Point: 172nd St. NE Construction Progress". Archived from the original on October 4, 2006. Retrieved 2008-11-21. 
  27. ^ Phillips, Greg (2005-04-28). "Big Construction Weekend on I-5 from Arlington to the Pierce County Line – I-5 Smokey Point bridge replacement, 172nd Street NE (SR 531), Arlington". Washington State Department of Transportation. Archived from the original on October 1, 2006. Retrieved 2008-11-22. 
  28. ^ Washington State Department of Transportation. I-5 – Smokey Point Project – Detour (Map). Cartography by Tele Atlas. http://www.wsdot.wa.gov/Projects/SR531/SmokeyPt/DetourMap.htm. Retrieved 2008-11-21.
  29. ^ Ahmadi, Amir; Michell Mouton (2005-05-02). "WSDOT Successfully Demolishes Half of Arlington's Smokey Point Bridge – Second Half Slated for Demolition Next Weekend". Washington State Department of Transportation. Archived from the original on October 1, 2006. Retrieved 2008-11-22. 
  30. ^ Ahmadi, Amir; Travis Phelps (2005-12-14). "Nighttime Closures of Northbound I-5 This Week in Arlington". Washington State Department of Transportation. Archived from the original on October 1, 2006. Retrieved 2008-11-22. 
  31. ^ a b Washington State Department of Transportation. "I-5/SR 531 Loop Ramp". Retrieved 2008-05-10. 
  32. ^ Washington State Department of Transportation. "SR 531 Lakewood Schools Sidewalks". Retrieved 2008-05-10. 
  33. ^ a b c McDermott, Sean; Patrick Moylan (2008-10-17). "Crews begin emergency repair to collapsed culvert on SR 531 north of Smokey Point". Washington State Department of Transportation. Retrieved October 19, 2008. 
  34. ^ Olsen, Kris; Mel Reitz (2008-10-10). "WSDOT prepares for emergency repairs to collapsed culvert on SR 531 north of Smokey Point". Washington State Department of Transportation. Retrieved October 26, 2008. 
  35. ^ Herald staff (2008-10-20). "Around the County - Smokey Point: Culvert repair to close lanes on highway". The Everett Herald. Retrieved October 26, 2008. 
  36. ^ Herald staff (2008-10-08). "Culvert work may slow drivers". The Everett Herald. Retrieved October 26, 2008. 
  37. ^ Sheets, Bill (2008-10-25). "Lakewood Road reopens after speedy culvert fix". The Everett Herald. Retrieved October 26, 2008. 
  38. ^ Yahoo! Inc. "SR 531 Detour Map". Yahoo! Maps (Map). Cartography by Navteq. http://maps.yahoo.com/#mvt=m&lat=48.14908&lon=-122.235175&zoom=14&q1=48.154864%2C-122.257061&q2=48.1518%2C-122.215391&w0=48.143410674235525%2C-122.23920822143554%3B48.136995797267026%2C-122.21569061279297. Retrieved 2008-11-21.
  39. ^ a b McDermott, Sean (2008-10-24). "WSDOT completes emergency repair to collapsed culvert on SR 531 north of Smokey Point". Washington State Department of Transportation. Retrieved October 25, 2008. 
  40. ^ "Express Lane - October 25–31, 2008 - SR 531 Smokey Point". Washington State Department of Transportation. 2008-10-25. Retrieved October 26, 2008. 
  41. ^ Fiege, Gale (2009-01-19). "Smokey Point to get new I-5 ramps". The Everett Herald. Retrieved 2009-01-20. 
  42. ^ Amir Ahmadi; Jones, Aurora (2009-01-13). "WSDOT awards project to improve I-5 interchange near Arlington". Washington State Department of Transportation. Retrieved 2009-01-31. 
  43. ^ Sheets, Bill (2009-04-21). "I-5 due for lots of work this year". The Everett Herald. Retrieved 2009-05-10. 
  44. ^ Washington State Department of Transportation. "SR 531 Widening Project- 43rd Avenue to 67th Avenue". Retrieved 2008-07-07. 
  45. ^ "RTID transportation, transit improvement goes to Marysville voters Nov. 6". Marysville Messenger (City of Marysville). Fall 2007. p. 6. Retrieved July 15, 2008. 
  46. ^ Washington State Department of Transportation. "SR 531 - Arlington Corridor - Pre-Design Analysis". Retrieved 2009-05-10. 

External links[edit]

Route map: Google / Bing