More From Seattle

Bertha will soon begin digging below the viaduct its path will replace

Bertha will soon begin digging below the viaduct its...

Posted by Wayne Grayson on Apr 27, 2016

The world's largest tunneling machine will soon begin its dig beneath the Alaskan Way Viaduct in Seattle, its first activity ...

VIDEO: Tour the world’s new longest floating bridge in Seattle

VIDEO: Tour the world’s new longest floating...

Posted by Kerry Clines on Mar 31, 2016

After more than a decade of planning and five years of construction, the world’s longest floating bridge is set to open ...

USDOT Undersecretary steps down to take over Seattle’s Sound Transit

USDOT Undersecretary steps down to take over...

Posted by Bobby Atkinson on Nov 24, 2015

U.S. Department of Transportation Undersecretary Peter Rogoff is leaving the federal agency to head up Seattle's Sound Transit. Rogoff has held the ...

Seattle voters approve levy for $930 million transportation funding plan

Seattle voters approve levy for $930 million...

Posted by Chris Hill on Nov 06, 2015

Voters in Seattle voted yes to the “Transportation Levy to Move Seattle,“ which will provide $930 million over nine years ...

USDOT launches regional forum for Beyond Traffic transportation trends, policy discussions

USDOT launches regional forum for Beyond Traffic...

Posted by Chris Hill on Sep 21, 2015

The U.S. Department of Transportation (USDOT) has planned 11 forums across the country this fall to discuss the department’s Beyond ...

Board rules WSDOT should have given contractor more warning about pipe struck by Big Bertha before stall

Board rules WSDOT should have given contractor more...

Posted by Wayne Grayson on May 12, 2015

In regard to the drilling of the new State Route 99 tunnel below Seattle, the Washington State Department of Transportation ...

PHOTOS: Big Bertha’s 2,000-ton front end lifted to the surface. How the world’s largest tunneler was raised

PHOTOS: Big Bertha’s 2,000-ton front end lifted...

Posted by Wayne Grayson on Apr 01, 2015

After a year of slumber and almost a month after chewing her way into a 12-story repair pit, Big Bertha, the ...

Big Bertha wakes from one-year nap, begins to chew her way into repair pit

Big Bertha wakes from one-year nap, begins to chew her...

Posted by Wayne Grayson on Feb 19, 2015

For the first time in more than a year, Big Bertha actually bored. According to a report from the Seattle Times, the world's largest ...

Excavation stopped on Big Bertha repair pit due to major ground sinkage in area

Excavation stopped on Big Bertha repair pit due to...

Posted by Wayne Grayson on Dec 15, 2014

The latest in a long string of delays to affect tunnel-boring machine Big Bertha has far greater implications than any of the ...

One contractor gives another work: Seattle officials suspect construction crew responsible for dumping concrete in sewer pipe

One contractor gives another work: Seattle officials...

Posted by Wayne Grayson on Nov 13, 2014

Even though it's something that happens fairly regularly—three or four times a year—footing the bill to repair sewer pipes used ...

Repairs to Big Bertha will include 86 tons of steel reinforcement to tunnel-boring machine’s bearing, cutter drive

Repairs to Big Bertha will include 86 tons of steel...

Posted by Wayne Grayson on Jun 18, 2014

The largest tunnel-boring machine in the world needs a bit of reinforcement against the "wet and abrasive soils" deep below ...

Repairs to Big Bertha will require a 12-story pit and removing the tunnel-boring machine’s cutterhead

Repairs to Big Bertha will require a 12-story pit and...

Posted by Wayne Grayson on Feb 28, 2014

Officials from the Washington State Department of Transportation have announced that in order to repair the world's largest tunnel-boring machine, ...

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