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Alaskan Way Viaduct Tunneling Progress

Tunneling Progress Tunneling Progress During the Viaduct Closure. The Alaskan Way Viaduct is open. This image will track Bertha's progress tunneling beneath the Alaskan Way Viaduct. Last updated at 3:40 p.m. on May 11

Alaskan Way Viaduct Follow Bertha

For the latest tunnel progress, visit our new tracker page. An abbreviated history of Bertha: July 2013: Began tunneling; April 2017: Tunneling breakthrough; August 2017: Final piece of dismantled machine removed . While Bertha was underground, this page tracked her progress beneath Seattle.

Alaskan Way Viaduct Tracking Progress

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.

Bertha, Seattle's SR 99 Tunneling Machine, Is Finally Done

Apr 05, 2017 Bertha has broken through. After nearly four years underground, Seattle’s beleaguered boring behemoth clawed its way into daylight yesterday, leaving a 1.7-mile tunnel behind it.

Bertha’s punch to repair pit lifts hopes for tunnel progress

Feb 19, 2015 Tunnel-boring machine Bertha’s slow and successful breakthrough into its repair vault Thursday raises hopes that the great dig toward South Lake Union could resume by late summer.

Bertha's progress: The highlights (and low points) of the

Aug 24, 2016 March 12, 2016 Seattle Tunnel Partners bring Bertha to a halt once more, though this time it's for planned maintenance. The machine has cleared

Bertha making progress, tunnels 73 The Seattle Times

Jan 07, 2016 Tunnel-boring machine Bertha has broken through its concrete access vault and is tunneling beneath Seattle, the Washington State Department of Transportation (WSDOT) said in a Thursday update

Seattle's Big Bertha Tunneling Machine Is Finally Back on

Jan 08, 2016 Now the Seattle tunnel boring machine is finally back on track. It just broken through an access repair tunnel and has since mined 73 feet since December 22. Follow Bertha's progress

Seattle's big tunnel project reaches a milestone, but it's

May 01, 2017 It helps that divided Seattleites found something to like in the $80-million, 326-feet-long tunnel boring machine, known as Bertha. The nickname honors Bertha Landes, Seattle’s first and only

Bertha's progress: The highlights (and low points) of the

Aug 24, 2016 March 12, 2016 Seattle Tunnel Partners bring Bertha to a halt once more, though this time it's for planned maintenance. The machine has cleared 1,560 feet of tunneling and is now parked at a

Watch: Bertha breaks through Seattle waterfront tunnel

Apr 03, 2017 This series of images shows Bertha's planned progress to break through the end of the tunnel near Seattle Center. Courtesy WSDOT Show More Show Less 45 of 84 46 of 84

Inside the Massive Tunnel Seattle Built to Replace an

Oct 23, 2017 Bertha finally broke through in April of this year, having dug nearly 1.7 miles of tunnel. Now, Seattle's builders are kitting out the empty concrete tunnel it left behind with stacked roadways

Seattle Tunnel Sees Progress as Lawsuits Move Ahead as

Feb 14, 2018 As Seattle’s Alaskan Way Viaduct Replacement Project heads toward a planned opening next year, Hitachi, the manufacturer of the 57.5-ft-dia tunnel-boring machine Bertha, has clarified its

Bertha tunnel boring in Seattle is now 25% complete, state

May 31, 2016 A tunnel along the Seattle waterfront was the choice to replace the Alaskan Way Viaduct after it was damaged in a 2001 earthquake. But Bertha

Mysterious 'unknown object' blocks progress of huge

Dec 22, 2013 Bertha is a five story-high drilling machine that was custom-built to drill the Alaska Way Viaduct tunnel beneath Seattle. It has more than 20 workers controlling it

Bertha timeline: From conception to tunnel completion

The Seattle Times reports steel pipe struck by Bertha was put there by WSDOT engineers to study groundwater and included in plans provided contractor prior to tunnel bid submission.

Seattle's big tunnel project reaches a milestone, but it's

May 01, 2017 It helps that divided Seattleites found something to like in the $80-million, 326-feet-long tunnel boring machine, known as Bertha. The nickname honors Bertha Landes, Seattle’s first and only

Seattle tunnel progress cuts back on cost overruns

Dec 19, 2016 Tunnel boring progress on the $3.1 billion Alaskan Way Viaduct project in Seattle has reduced projected cost overruns from $223 million to $149 million, according to The Seattle Times. Bertha

Bertha is once again on the move under Seattle KOMO

May 18, 2016 SEATTLE -- Bertha is on the move again.The tunnel boring machine is diving deeper under downtown, heading for the Columbia Street on-ramp

State Route 99 tunnel Wikipedia

The State Route 99 tunnel, also known as the Alaskan Way Viaduct replacement tunnel, is a bored highway tunnel in the city of Seattle, Washington, United States.The 2-mile (3.2 km), double-decker tunnel carries a section of State Route 99 (SR 99) under Downtown Seattle from SoDo in the south to South Lake Union in the north.. Since the 2001 Nisqually earthquake, the replacement of the Alaskan

Who Killed Bertha? Why the Seattle Tunnel Disaster Isn't

Bertha’s in heavy rotation (above): A giant red crane slowly rotates the SR 99 tunneling machine’s front end from a horizontal to a vertical position as it is lowered into the access pit on Aug. 24, 2015, two years after the incident occurred. This story follows our feature story, "Spin Zone," which appeared in the October 2017 issue of Seattle Business magazine.

Bertha's on track, but this is the easy part Crosscut

Jun 22, 2016 Bertha's making progress. At Nijo Sushi on Western and Spring, people eat lunch as the world’s largest tunnel boring machine chews the earth directly beneath them,making its

The Bertha Crisis: How Much Will the Delays Cost Seattle

“Bertha” is synonymous with “big,” which the tunnel project is. But Bertha was also supposed to represent enlightened progress in a city whose transportation system needed some good housekeeping. The boring machine would core out the muck and glacial remains under the old waterfront and dig a foundation for Seattle’s new face to the

Bertha tunnel boring in Seattle is now 25% complete, state

May 31, 2016 A tunnel along the Seattle waterfront was the choice to replace the Alaskan Way Viaduct after it was damaged in a 2001 earthquake. But Bertha

Bertha timeline: From conception to tunnel completion

The Seattle Times reports steel pipe struck by Bertha was put there by WSDOT engineers to study groundwater and included in plans provided contractor prior to tunnel bid submission.

Mysterious 'unknown object' blocks progress of huge

Dec 22, 2013 Bertha is a five story-high drilling machine that was custom-built to drill the Alaska Way Viaduct tunnel beneath Seattle. It has more than 20 workers controlling it

Bertha's on track, but this is the easy part Crosscut

Jun 22, 2016 Bertha's making progress. At Nijo Sushi on Western and Spring, people eat lunch as the world’s largest tunnel boring machine chews the earth directly beneath them,making its

Seattle tunnel progress cuts back on cost overruns

Dec 19, 2016 Tunnel boring progress on the $3.1 billion Alaskan Way Viaduct project in Seattle has reduced projected cost overruns from $223 million to $149 million, according to The Seattle Times. Bertha

Bertha is once again on the move under Seattle KOMO

May 18, 2016 SEATTLE -- Bertha is on the move again.The tunnel boring machine is diving deeper under downtown, heading for the Columbia Street on-ramp

The Bertha Crisis: How Much Will the Delays Cost Seattle

“Bertha” is synonymous with “big,” which the tunnel project is. But Bertha was also supposed to represent enlightened progress in a city whose transportation system needed some good housekeeping. The boring machine would core out the muck and glacial remains under the old waterfront and dig a foundation for Seattle’s new face to the

Seattle tunnel sees progress The Spokesman-Review

Sep 19, 2014 News > Spokane Seattle tunnel sees progress Work continues even as ‘Bertha’ machine stalled. Fri., Sept. 19, 2014. Visitors walk through the tunnel

The World’s Largest Tunnel-Boring Machine Must Be Saved

Sep 16, 2014 This summer Seattle Tunnel Partners sank 73 concrete pillars in a huge ring in front of Bertha's face. Workers then excavated the hole until it was deep enough to

Beneath downtown Seattle, Bertha faces biggest test Crosscut

May 23, 2016 The Seattle Mariners and the tunnel boring machine Bertha are following similar arcs lately. After years of wallowing in failure, both have shown a bit of a heartbeat in 2016.

WATCH: Drone video shows progress on Bertha's tunnel in

Oct 20, 2017 Bertha may have been torn apart, but the work continues on the tunnel under Seattle. A new video from the Washington State Department of Transportation shows just how far along the project is

Can Seattle Stop Its Highway Tunnel Boondoggle Before It’s

Jan 05, 2015 Seattle’s deep bore highway tunnel — meant to replace the Alaskan Way Viaduct along the waterfront — is off to an absolutely horrible start. The tunnel boring machine, “Bertha,” has broken down 1,000 feet into its dig. It has moved just four feet in the last two-plus months, and it could take months more to

Bertha, The Giant Tunnel-Boring Machine Stuck Under

Feb 19, 2015 The world's largest tunnel-boring machine, nicknamed Bertha, has been stuck beneath Seattle for over a year amid its efforts to build a pathway for

Alaskan Way Viaduct One year since Bertha’s final

A year in tunnel progress. Since Bertha placed the last tunnel ring, crews have made great progress on the structures and systems inside. The roadways and walls inside the tunnel are done, with the last of the roadway panels that make up the tunnel’s northbound (lower) deck placed last month.Crews are hard at work installing the electrical, ventilation and other systems that will make the