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Topic: Alaskan Way Viaduct


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In the News (Wed 16 Dec 09)

  
 Alaskan Way Viaduct - Wikipedia, the free encyclopedia
The Alaskan Way Viaduct is an elevated section of Washington State Route 99 that runs along the Elliott Bay waterfront in Seattle's Industrial District and downtown Seattle.
The viaduct, which takes its name from Alaskan Way, the surface street it runs next to for much of its length, was completed on April 4, 1953, with capacity for 103,000 vehicles per day, encompassing one quarter of Seattle's daily North-South traffic.
Those concerns were magnified after the 2001 Nisqually earthquake, which damaged the viaduct and its supporting Alaskan Way Seawall and required the Washington State Department of Transportation (WSDOT) to invest $3.5 million in emergency repairs.
en.wikipedia.org /wiki/Alaskan_Way_Viaduct   (926 words)

  
 The Seattle Times: Local News: Who'll be to blame if viaduct, 520 bridge collapse?
The Alaskan Way Viaduct, damaged in a 2001 earthquake, could be the scene of a major disaster next time.
Imagine the finger-pointing if an earthquake were to topple the aging Alaskan Way Viaduct or plunge the Highway 520 bridge into Lake Washington, killing perhaps hundreds of people and crippling the region's economy.
As was the case with the levees in New Orleans, the dangers of the viaduct and floating bridge are well-known.
seattletimes.nwsource.com /html/localnews/2002504687_viaductmorality19m.html   (1966 words)

  
 Alaskan Way - SeattleWiki
Alaskan Way is a major waterfront thoroughfare, providing surface transportation for tourists, Seattle residents, and shipping and ferry traffic around the Port of Seattle properties at its south end.
The roadway is built on top of fill material held in place by the deteriorating Alaskan Way seawall; in fact, all roadways and buildings from the waterfront to Western Avenue are built on this fill, and thus are in danger of collapse or major damage in a large earthquake.
For this reason, plans are under development to rebuild the seawall and the associated roadways and support structure, including replacement of the aging Alaskan Way Viaduct, the raised two-deck highway that carries SR 99 along the waterfront.
seattlewiki.org /wiki/Alaskan_Way   (187 words)

  
 TBM: Tunnel Business Magazine Feature Story1   (Site not responding. Last check: 2007-11-01)
The Alaskan Way Viaduct and Seawall Replacement (AWVSRP) project is one of the largest transportation projects today on the West Coast of the United States, with an estimated replacement cost of more than $4 billion and a construction duration exceeding seven years.
The viaduct’s days are numbered, however, because time, wear and tear from daily traffic, the salty marine air, and a couple of earthquakes have taken their toll on the facility.
The viaduct’s increasing age and vulnerability was apparent by crumbling and cracking concrete, exposed rebar, weakening column connections and deteriorating railings.
www.tunnelingonline.com /pastissues/june05_featurestory1.htm   (1602 words)

  
 Political gridlock delays roadway repairs in Seattle - The Boston Globe
SEATTLE -- The Alaskan Way Viaduct, a major elevated highway that links downtown to the western portion of the city, is in danger of collapsing after being damaged in an earthquake.
He cited the Viaduct and the Evergreen Point Bridge as the state's two highest priorities, given their vulnerability should the area be hit by another earthquake like the 6.8 magnitude Nisqually quake that struck the region in 2001.
An initial estimate for replacing the Viaduct with a tunnel was $12 billion.
www.boston.com /news/nation/articles/2004/08/15/political_gridlock_delays_roadway_repairs_in_seattle   (953 words)

  
 Viaduct retrofit 'doesn't cut it'   (Site not responding. Last check: 2007-11-01)
The retrofit plan is to wrap the existing Alaskan Way Viaduct's columns in steel jackets and attach steel angle braces to the sides and under the elevated roadway.
State transportation officials say retrofitting the Alaskan Way Viaduct might indeed make the structure stronger, but the improvements would neither be enough to make much difference in a strong earthquake nor make the viaduct safer for traffic.
Basically Gray's plan is to wrap the existing Alaskan Way Viaduct's columns in steel jackets and attach steel angle braces to the sides and under the elevated roadway.
www.westseattleherald.com /articles/2006/08/11/news/local_news/news01.txt   (790 words)

  
 2blowhards.com: Dig, Patch or Flatten?: Alaskan Way Viaduct
The viaduct was opened in 1957 and was structurally similar to Seattle's Alaskan Way Viaduct which was completed in 1953.
At the time the Viaduct was built, the parts of the city next to it were pretty ratty; First Avenue, for instance, was home to pawn shops, taverns, rescue missions, cheap movie houses, flop houses and houses of other kinds.
Retain the Viaduct, but give it a more thorough earthquake-proofing than it got after the 2001 quake (the Viaduct likely cannot withstand a really severe quake, and such cannot be ruled out for the Seattle area).
www.2blowhards.com /archives/2006/05/dig_patch_or_fl.html   (2368 words)

  
 DJC.COM: Engineers say scrap Alaskan Way viaduct, provided by Seattle Daily Journal of Commerce
SEATTLE (AP) -- The Alaskan Way viaduct that carries Washington 99 along the downtown waterfront should be replaced within a decade rather than quake-proofed, an engineering team has advised.
That assessment is being released Thursday by the Alaska Way Viaduct Structural Sufficiency Team, six independent engineers hired by the state to weigh three options -- repairing, retrofitting and replacing the earthquake-damaged span.
In any event, the viaduct should be put at the top of the list of state transportation priorities, said Aubrey Davis, a member of the state Transportation Commission.
www.djc.com /news/ae/11123354.html   (518 words)

  
 komo news | Alaskan Way Viaduct Settles A Little More In Spots   (Site not responding. Last check: 2007-11-01)
SEATTLE - The Alaskan Way Viaduct has settled a smidge over the past six months, part of a 4¼-inch slump in the highway since the 2001 Nisqually earthquake prompted periodic surveys by the state Department of Transportation.
The 6.8-magnitude Nisqually quake heightened concerns about the viaduct, but engineers had been worried since 1994, when the state asked the University of Washington to conduct a study on the cost of retrofitting the structure.
Deterioration of the viaduct has prompted civic brainstorming about a facelift for the Seattle waterfront, now a mix of tourist attractions, port activity, ferry traffic, condo development and everyday commuter traffic.
www.komo1000news.com /news/story.asp?ID=36088   (859 words)

  
 Mayor Nickels - Alaskan Way Tunnel
We are moving forward with an once-in-a-lifetime opportunity to replace the dangerous and deteriorating Alaskan Way Viaduct with a waterfront tunnel.
The Alaskan Way Viaduct and Seawall Replacement Project Team has released three possible construction plans and ideas to keep people moving during construction.
The cover story explains the Alaskan Way Viaduct and Seawall Replacement Project process and why state, federal and local officials agree that the tunnel is the best way to replace the aging structures.
www.cityofseattle.net /mayor/issues/viaduct   (1048 words)

  
 Be Very Afraid | News | The Stranger, Seattle's Only Newspaper
According to a study of the viaduct Kramer coauthored all the way back in 1995, "significant damage is likely even if the motion is considerably less intense, and hence more likely" to occur than a doomsday-level earthquake.
But whatever the case, the way the Alaskan Way Viaduct was built and the soils that underlie it make the elevated roadway a virtual laboratory for seismic catastrophe.
Underneath the viaduct, extending as far as 280 feet underground, is a layer of loose, watery soil, much of it pumped to Elliott Bay from the site of the Denny Regrade in the early 20th century.
www.thestranger.com /seattle/Content?oid=16364   (2989 words)

  
 Seattle Channel - Alaskan Way Viaduct In-depth
The Alaskan Way Viaduct is just a portion of State Route 99 that the Washington State Department of Transportation (WSDOT) is beginning to improve.
The waterfront plan is based on the aging Alaskan Way Viaduct coming down and being replaced by a cut and cover tunnel.
On June 22, Mayor Greg Nickels unveiled his funding plan for the Alaskan Way Viaduct Tunnel construction project estimated to cost between $3 billion and $3.6 billion.
www.seattlechannel.org /issues/viaduct.asp   (1849 words)

  
 EPA: Federal Register: Environmental Impact Statement, Seattle, WA
The Alaskan Way Viaduct is one of two primary north-south limited access routes through downtown Seattle and is a vital link in the region's roadway system.
Built in the 1950's, the Alaskan Way Viaduct is past the halfway point in its 75-year design life, and it does not meet current seismic design standards.
The Alaskan Way Seawall, which is also vulnerable to earthquakes, holds these soils in place along the majority of the Alaskan Way Viaduct Corridor.
www.epa.gov /fedrgstr/EPA-IMPACT/2003/September/Day-26/i24345.htm   (690 words)

  
 THREE BILLION DOLLAR QUESTION | News | The Stranger, Seattle's Only Newspaper
The viaduct proposals--all involve replacing the seawall--include a double-decker elevated roadway similar to the one we have now, only earthquake-proof; a combination elevated highway and "cut-and-cover" tunnel to carry southbound and northbound traffic (or local and through traffic), respectively; and a double-decker cut-and-cover tunnel for all traffic (see sidebar).
The prospect of a safe, efficient viaduct, a quakeproof seawall, a new and improved waterfront, and rapid transit to boot is exciting.
In a way, it's a shame the viaduct survived the Nisqually quake.
www.thestranger.com /seattle/Content?oid=10993   (3509 words)

  
 Northwest Progressive Institute: Invest in the Alaskan Way Tunnel
The future of the Alaskan Way Viaduct is one of the hottest regional topics right now - as it should be.
The new Alaskan Way Tunnel will be equipped with a state-of-the-art fire suppressant system which combats fire using non-toxic AFFF foam sprinklers.
Oh, and by the way, the Tunnel Alternative is expected to have noticeably lower noise levels in the central waterfront compared to today, making the area more pleasant for pedestrians, residents, and nearby businesses.
www.nwprogressive.org /weblog/2005/11/invest-in-alaskan-way-tunnel.html   (1335 words)

  
 City Of Seattle Waterfront Viaduct Information   (Site not responding. Last check: 2007-11-01)
My first view of seattle was from the back seat of the family ford, rumbling northward on the alaskan way viaduct.
Sr 99 alaskan way viaduct and seawall replacement.
Way viaduct could be the project that reconnects seattle with its waterfront and links urban landmarks from explains bob chandler, viaduct project manager for the city of seattle.
www.all-things-seattle.com /city-of-seattle-waterfront-viaduct.html   (1246 words)

  
 HistoryLink Essay: Alaskan Way Viaduct completed in Seattle on April 4, 1953.
On April 4, 1953, the Alaskan Way Viaduct is completed.
They became bleak and dirty reminders of another transportation age, and occupied critical space perfect for what was at the time a new, streamlined corridor for automobiles.
The reinforced concrete viaduct, with modernistic supports, now rises above the old Victorian waterfront tracks, a few of which remain in traces beneath the overpassing traffic.
www.historylink.org /_output.CFM?file_ID=1691   (245 words)

  
 Cascadia - Central Puget Sound
Cascadia is also involved in facilitating a Transportation Working Group of civic, business, labor, and environmental leaders who are examining transportation planning, funding, and governance in Central Puget Sound, and assessing the implications of potential changes for making progress in transportation in the region in the short, medium, and long term.
The Cascadia Center serves on the Alaskan Way Viaduct and Seawall Leadership Group, which was formed following the damage that the Viaduct sustained in the 2001 Nisqually Earthquake.
Washington State Department of Transportation (WSDOT) and the City of Seattle are moving to address the Viaduct as soon as possible as it carries one-fourth of the traffic flow through downtown Seattle, and is a critical element of the transportation network supporting the Port of Seattle.
www.discovery.org /cascadia/centralPugetSound   (1169 words)

  
 Congressman Jim McDermott - Speeches - Victory for Viaduct Funding
The viaduct serves as a critical artery for Northwest trade, which is the heart of the region's economy.
We worked with the Republican majority and made the case that the Alaskan Way Viaduct is not a concrete highway, but an economic lifeline of national importance.
There were plenty of stages along the way, and the stakes were high.
www.house.gov /mcdermott/pr050728c.shtml   (766 words)

  
 Seattle Channel Video on Demand - Watch Videos
Be the first to review the Alaskan Way Tunnel Coalitions new economic analysis, and learn how the tunnel could be a major economic boon for Downtown and the region.
One option for the Alaskan Way Viaduct is to tear it down and not replace the route for cars, instead dispersing traffic to other corridors and providing transit alternatives, as some other growing cities are doing.
Council met as a Committee of the Whole to hear alternatives to the Alaskan Way Viaduct and Seawall Project from the Seattle Department of Transportation (SDOT) and the WA State Department of Transportation (WSDOT).
www.seattlechannel.org /videos/watchVideos.asp?program=viaduct   (3159 words)

  
 AIA Seattle
As plans proceed and alternatives are studied and evaluated for replacement for the earthquake-damaged Alaskan Way Viaduct, local design professionals contribute their thoughts for a preferred solution with great enthusiasm and optimism.
When the Viaduct was built 50 years ago the waterfront was primarily an industrial waterfront.
Most recently, Lee Copeland serves with others on the Alaskan Way Viaduct and Seawall Project Leadership Group, that has understood and based its work on acceptance of the magnitude here summarized.
www.aiaseattle.org /advocacy_020315_viaduct.htm   (784 words)

  
 HDR News, Announcements, Press Releases
The Alaskan Way Viaduct along SR 99 is a critical link in the Washington transportation system.
The existing two-level reinforced concrete viaduct constructed in the 1950s was significantly damaged in the 2001 Nisqually earthquake.
Construction is estimated to cost between $2 billion and $4.5 billion, depending on whether a tunnel is constructed or the viaduct rebuilt.
www.hdrinc.com /8/34/1/default.aspx?entry=269   (277 words)

  
 Seattle's Little Dig (Seattle Weekly)
Replacing the Alaskan Way Viaduct with a tunnel is expensive, time-consuming, and complicated, but let's be clear: It's nothing compared to Boston's 'Big Dig.'
The proposal to replace the dangerous, 53-year-old Alaskan Way Viaduct with a tunnel along Seattle's central waterfront already has a disparaging nickname: the Big Dig.
Seattle's Little Dig — Replacing the Alaskan Way Viaduct with a tunnel is expensive, time-consuming, and complicated, but let's be clear: It's nothing compared to Boston's "Big Dig." By George Howland Jr..
www.seattleweekly.com /news/0616/viaduct.php   (2131 words)

  
 The Seattle Monorail Project   (Site not responding. Last check: 2007-11-01)
That any alternative that either replaces the viaduct or builds a variation in the same corridor, consider the prospect of a parallel or appended monorail structure for that portion of the viaduct extending from Battery Street to S. Royal Brougham Way.
That any alternative that removes the Viaduct from its current alignment considers and analyzes the potential reuse of the existing corridor (in part) for the location of the monorail.
That any alternative that either replaces the viaduct or builds a variation in the same corridor, evaluate the potential impacts of having a monorail either under construction or operational in a parallel, nearby alignment.
archives.elevated.org /press/viaduct_0701.shtm   (791 words)

  
 komo news | Campaign Launched To Replace Alaskan Way Viaduct   (Site not responding. Last check: 2007-11-01)
On a Saturday tour of the viaduct, which is closed for weekend inspections, he showed KOMO 4 News the latest cracks in the 51-year-old bridge.
The Alaskan Way Viaduct and Seawall Coalition says it will fight to get state and federal dollars for the project.
Mayor Nickels calls repair and replacement of the viaduct the number one transportation priority for the city.
www.komotv.com /news/story.asp?id=30401   (656 words)

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