When the Alaskan Way Viaduct closes Jan. 11, 2019, three solid weeks of construction begin. Crews will work around the clock to move State Route 99 off the viaduct and into the new, two-mile SR 99 tunnel beneath downtown Seattle.
The Alaskan Way Viaduct replacement tunnel is a bored road tunnel that is under construction in the city of Seattle in the U.S. state of Washington.The 2-mile (3.2 km) tunnel will carry State Route 99 under Downtown Seattle from the SoDo neighborhood to South Lake Union in the north.
More Alaskan Way Tunnel Project images
Tracking Progress Latest tunnel progress. June 15, 2018 update Tunneling is complete and in March 2018 crews finished building the roadways inside the tunnel. In late spring 2018 installation wrapped up on the tunnel's 16 electrical rooms and the many systems that make the tunnel function.
The Alaskan Way Viaduct has been an important part of Seattle’s highway infrastructure since it was completed in 1953. This double-decker elevated highway is part of State Route 99, skirting along the downtown area of Seattle along the Elliott Bay waterfront of the Puget Sound.
More Alaskan Way Tunnel Project videos
The Alaskan Way Viaduct Replacement Project will use the more traditional methods before the ribbon cutting. Everyone will have to stay off the property while just the workers mill about doing last-minute tasks. The longest highway closure in Puget Sound history will be required before traffic can experience the S.R. 99 tunnel.
The Alaskan Way Tunnel Project The Alaskan Way Viaduct, which is an elevated part of SR 99, was built in 1953. It runs along the Elliott Bay waterfront and often carries over 100,000 cars per day.
Then again, a band or a parade would have been a jarring incongruity for a 2-mile tunnel project that is four years behind schedule and faces a potential $400 million in cost overruns.
The Alaskan Way Viaduct Replacement Project is a joint effort between the Federal Highway Administration (FHWA), the Washington State Department of Transportation (WSDOT), and the City of Seattle.
The Alaskan Way Viaduct is an elevated highway in Seattle, Washington built in three phases from 1949 through 1953 and opened on April 4, 1953. It features a double-decked elevated section of State Route 99 that runs along the Elliott Bay waterfront in the industrial district and downtown of Seattle.
The Alaskan Way Viaduct, an elevated section of State Route 99 in Seattle, was built in the 1950s, and decades of daily wear and tear have taken their toll on the structure. Because of the viaduct’s age and vulnerability to earthquakes, replacing it is critical to public safety.
Live chat with our professional customer service! Get the quotation list.Chat Now