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Alaskan Way Seawall

The Alaskan Way Seawall is a seawall which runs for approximately 7,166 feet (2,184 m) along the Elliott Bay waterfront southwest of downtown Seattle from Bay Street to S. Washington Street.[1] The seawall is being rebuilt in the 2010s as part of a waterfront redevelopment megaproject estimated to cost over $1 billion.[2]

Seawall construction, 1934

History Edit

 
First slab of Seattle Central Waterfront seawall being placed, 1934
 
Seawall inspection, 1954
 
Seawall replacement, 2015. Pier 54 at left.

The seawall was built to provide level access to Seattle's piers and supports the Alaskan Way Viaduct and Alaskan Way itself, which is a surface street. Completed in 1934, the seawall was built on top of wood piling.[citation needed]

Replacement Edit

Despite efforts to prevent marine pest damage when the seawall was designed, after the 2001 Nisqually earthquake, the Seattle Department of Transportation found that gribbles had consumed all the wooden supports in some places.[3]

The Washington State Department of Transportation states that there is a 1-in-20 chance that it could be shut down by an earthquake within the next decade,[4] and so plans have been underway to replace both seawall and viaduct.

The seawall rebuild project was estimated to cost $350 million as part of an overall waterfront redevelopment budgeted in 2012 at $1.07 billion.[2][5] The project is funded by a bond measure that was approved by Seattle voters in the November 2012 general election.[6] Construction began in 2013 and was completed in 2017, more than a year late and costing $410 million.[7][8][9]

See also Edit

References Edit

  1. ^ (PDF). Seattle Department of Transportation. May 27, 2015. Archived from the original (PDF) on March 5, 2016. Retrieved December 29, 2015.
  2. ^ a b Daniel Beekman (September 29, 2014), "With costs up, mayor wants to roll back Seattle waterfront plan", The Seattle Times
  3. ^ John Roach (April 23, 2004), "Seattle Waterfront Falling to Gribble Invasion", National Geographic
  4. ^ Alaskan Way viaduct project, Washington State Department of Transportation
  5. ^ Ellis E. Conklin (September 30, 2014), , Seattle Weekly, archived from the original on October 6, 2014, retrieved October 3, 2014
  6. ^ Johnson, Kirk (December 5, 2012). "Engineering Projects Will Transform Seattle, All Along the Waterfront". The New York Times. p. A18. Retrieved December 23, 2018.
  7. ^ Christensen, Ken (May 17, 2017). "Seattle's new seawall: Holding back the tide, protecting salmon". Crosscut.com. Retrieved December 23, 2018.
  8. ^ Beekman, Daniel (August 21, 2015). "Seawall project $71 million over budget". The Seattle Times. Retrieved November 1, 2015.
  9. ^ Daniels, Chris; Hahn, Elisa; Brand, Natalie (September 14, 2015). . KING 5 News. Archived from the original on October 26, 2015. Retrieved November 1, 2015.

External links Edit

    47°36′16″N 122°20′21″W / 47.60444°N 122.33917°W / 47.60444; -122.33917


    alaskan, seawall, this, article, needs, additional, citations, verification, please, help, improve, this, article, adding, citations, reliable, sources, unsourced, material, challenged, removed, find, sources, news, newspapers, books, scholar, jstor, january, . This article needs additional citations for verification Please help improve this article by adding citations to reliable sources Unsourced material may be challenged and removed Find sources Alaskan Way Seawall news newspapers books scholar JSTOR January 2014 Learn how and when to remove this template message The Alaskan Way Seawall is a seawall which runs for approximately 7 166 feet 2 184 m along the Elliott Bay waterfront southwest of downtown Seattle from Bay Street to S Washington Street 1 The seawall is being rebuilt in the 2010s as part of a waterfront redevelopment megaproject estimated to cost over 1 billion 2 Seawall construction 1934 Contents 1 History 1 1 Replacement 2 See also 3 References 4 External linksHistory Edit First slab of Seattle Central Waterfront seawall being placed 1934 Seawall inspection 1954 Seawall replacement 2015 Pier 54 at left The seawall was built to provide level access to Seattle s piers and supports the Alaskan Way Viaduct and Alaskan Way itself which is a surface street Completed in 1934 the seawall was built on top of wood piling citation needed Replacement Edit Despite efforts to prevent marine pest damage when the seawall was designed after the 2001 Nisqually earthquake the Seattle Department of Transportation found that gribbles had consumed all the wooden supports in some places 3 The Washington State Department of Transportation states that there is a 1 in 20 chance that it could be shut down by an earthquake within the next decade 4 and so plans have been underway to replace both seawall and viaduct The seawall rebuild project was estimated to cost 350 million as part of an overall waterfront redevelopment budgeted in 2012 at 1 07 billion 2 5 The project is funded by a bond measure that was approved by Seattle voters in the November 2012 general election 6 Construction began in 2013 and was completed in 2017 more than a year late and costing 410 million 7 8 9 See also EditAlaskan Way Viaduct replacement tunnel more information on the replacement projectReferences Edit Determination of Significance and Request for Comments on Scope of EIS PDF Seattle Department of Transportation May 27 2015 Archived from the original PDF on March 5 2016 Retrieved December 29 2015 a b Daniel Beekman September 29 2014 With costs up mayor wants to roll back Seattle waterfront plan The Seattle Times John Roach April 23 2004 Seattle Waterfront Falling to Gribble Invasion National Geographic Alaskan Way viaduct project Washington State Department of Transportation Ellis E Conklin September 30 2014 Bertha Strikes Again Stalled Tunnel Project Will Cause City to Downsize Waterfront Plan Sigh Seattle Weekly archived from the original on October 6 2014 retrieved October 3 2014 Johnson Kirk December 5 2012 Engineering Projects Will Transform Seattle All Along the Waterfront The New York Times p A18 Retrieved December 23 2018 Christensen Ken May 17 2017 Seattle s new seawall Holding back the tide protecting salmon Crosscut com Retrieved December 23 2018 Beekman Daniel August 21 2015 Seawall project 71 million over budget The Seattle Times Retrieved November 1 2015 Daniels Chris Hahn Elisa Brand Natalie September 14 2015 Seattle seawall delayed millions over budget KING 5 News Archived from the original on October 26 2015 Retrieved November 1 2015 External links Edit Wikimedia Commons has media related to Alaskan Way Seawall Washington State Department of Transportation Alaskan Way Viaduct and Seawall Replacement Project47 36 16 N 122 20 21 W 47 60444 N 122 33917 W 47 60444 122 33917 This article about a building or structure in the U S state of Washington is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Alaskan Way Seawall amp oldid 1157750070, wikipedia, wiki, book, books, library,

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