What will replace the Seattle viaduct?
Removal of viaduct is opening up downtown waterfront to the public. The Seattle underground scene has a new star: The Alaskan Way Tunnel, a nearly two-mile-long, double-decked road tunnel that is improving travel through the city’s downtown and paving the way for a revitalized public waterfront.
Where did almost all the rubble from the Alaskan Way Viaduct demolition end up?
As the roadway sections came down, the materials were first hauled to Terminal 25 adjacent to the West Seattle Bridge, where they were crushed into small pieces, and then transported back to the north end of the viaduct, where they were used as fill material in the decommissioned Battery Street Tunnel.
Who objected to the Alaskan Way Viaduct and why?
The Seattle City Council objected, voting 6-3 to put two alternatives on a March 2007 advisory ballot: a new elevated highway or a four-lane shallow tunnel. Gregoire then said she wanted to hear what voters thought, clarifying, “I will never, ever say that a vote of the people is a waste.”
Are there tunnels under Seattle?
The Seattle Underground is a network of underground passageways and basements in the Pioneer Square neighborhood of Seattle, Washington, United States. They were located at ground level when the city was built in the mid-19th century but fell into disuse after the streets were elevated.
Where is the new tunnel in Seattle?
Project overview The SR 99 tunnel replaced the Alaskan Way Viaduct along Seattle’s central waterfront, carrying State Route 99 beneath downtown Seattle. The 2-mile tunnel opened to drivers in February 2019.
Why did Seattle remove the viaduct?
The viaduct, which was considered seismically vulnerable following the 2001 Nisqually Earthquake, was removed from Seattle’s waterfront as a part of a new program to transform that part of the city. Some traffic has already been moved to a deep new SR 99 tunnel, and a new Alaskan Way surface street will be built.
Is the Alaskan Way Viaduct closed?
The viaduct was closed permanently on January 11, 2019, and the new tunnel opened three weeks later on February 4….
| Alaskan Way Viaduct | |
|---|---|
| Maintained by WSDOT | |
| Length | 2.2 mi (3.5 km) |
| Existed | April 4, 1953–January 11, 2019 |
| Component highways | SR 99 |
Why did they tear down the Alaskan Way Viaduct?
Earthquake concerns The 2001 Nisqually earthquake damaged the viaduct and its supporting Alaskan Way Seawall and required the Washington State Department of Transportation (WSDOT) to invest US$14.5 million in emergency repairs.
Is the Seattle tunnel complete?
The viaduct closed permanently on January 11, 2019.
Is Seattle built on top of an old city?
Seattle, Washington, has a secret underground city that burned down in 1889. The city was then rebuilt on top of the old ruins, which are still open to tours today.
Why did they replace the Alaskan Way Viaduct?
Because of the viaduct’s age and vulnerability to earthquakes, replacing it was critical to public safety. The Alaskan Way Viaduct Replacement Program consists of 30 projects that replace the viaduct and provide safety and mobility improvements to Seattle’s central waterfront.
What happened to the viaduct at Nisqually?
The structure was weakened in the 2001 Nisqually earthquake, requiring emergency repairs. Because of the viaduct’s age and vulnerability to earthquakes, replacing it was critical to public safety.
What is full bridge rehabilitation?
Full bridge rehabilitation includes more epoxy injection crack filling, post-tensioning, and carbon-fiber wrapping in the main span, as well as on the side spans (between bridge columns Pier 15 and Pier 16 and between Pier 17 and Pier 18).