More From Alaskan Way Viaduct

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 ...

VIDEO: Watch time-lapse of Highway 99 construction

VIDEO: Watch time-lapse of Highway 99 construction

Posted by Brian Ethridge on Sep 03, 2014

The Washington State Department of Transportation was kind enough to release the following time-lapse video of construction on Highway 99. ...

Tunnel-boring machine Big Bertha moves forward 2 feet in test run to see if blockage is fully removed

Tunnel-boring machine Big Bertha moves forward 2 feet...

Posted by Wayne Grayson on Jan 31, 2014

After nearly two months of downtime caused by a steel pipe stuck in her teeth, Big Bertha, the world's largest ...

Unstoppable Force, Immovable Object: Seattle’s Big Bertha halted by mystery object

Unstoppable Force, Immovable Object: Seattle’s...

Posted by Wayne Grayson on Dec 19, 2013

Has Big Bertha met her match? She has, at least for the time being. The world's largest tunnel-boring machine was recently ...

Big Bertha, world’s largest tunnel-boring machine, arrives in Seattle

Big Bertha, world’s largest tunnel-boring...

Posted by Wayne Grayson on Apr 04, 2013

The "Big" in Bertha's name isn't there for the catchiness. It's there because it's apt. With a 57-foot diameter and a ...

D.C. airport metro station tops list of biggest U.S. infrastructure projects

D.C. airport metro station tops list of biggest U.S....

Posted by Wayne Grayson on Mar 13, 2013

According to Same Day Steel Deck these are the five highest-profile transportation infrastructure projects in the United States. 1. Dulles Transit Extension in ...

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