More From Washington State Department of Transportation

Stronger Big Bertha cutter head lowered back into its pit for tunneling

Stronger Big Bertha cutter head lowered back into its...

Posted by Bobby Atkinson on Aug 27, 2015

Big Bertha's massive cutter head is back underground after months of repairs were made to get the world's largest tunnel-boring ...

Washington state DOT testing zig-zagged road lines to get drivers’ attention

Washington state DOT testing zig-zagged road lines to...

Posted by Bobby Atkinson on Aug 20, 2015

Washington is trying out a European approach to getting drivers attention at a busy crossing path. According to KIRO TV, the ...

Big Bertha is set to start drilling again in November after extensive repairs, testing

Big Bertha is set to start drilling again in November...

Posted by Bobby Atkinson on Jul 21, 2015

The world's largest tunnel-boring machine is now scheduled to get back to work on November 23, nearly two years after it overheated ...

Crews begin installation of Big Bertha’s new seal system

Crews begin installation of Big Bertha’s new seal...

Posted by Wayne Grayson on Jun 16, 2015

While the rest of her massive frame waits below ground, Big Bertha has undergone the most pivotal portion of her ...

Top FHWA official says unfinished Spokane project proves need for long-term highway bill

Top FHWA official says unfinished Spokane project...

Posted by Bobby Atkinson on May 28, 2015

The U.S. Department of Transportation’s acting administrator toured the incomplete North Spokane Corridor last week and said the half-built project ...

Damage to Big Bertha worse than previously thought

Damage to Big Bertha worse than previously thought

Posted by Wayne Grayson on May 26, 2015

Now that crews are well into the process of dismantling her front-end for necessary repairs, it's clear that damage to ...

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 ...

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 ...

Truck hauling excavator collides with 5 bridges, taking a chunk out of each (PHOTOS)

Truck hauling excavator collides with 5 bridges, taking...

Posted by Wayne Grayson on Jul 23, 2014

While being hauled by a truck traveling through Thurston County, Washington, last week, an excavator's boom collided with five different ...

Camera gives a live view of construction on Big Bertha’s 12-story repair access pit

Camera gives a live view of construction on Big...

Posted by Wayne Grayson on May 13, 2014

Just because Big Bertha is down for nearly a year, that doesn't mean work around the world's largest tunnel boring ...

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, ...

Tunnel-boring machine Big Bertha shut down for “months” due to complexity of needed repairs

Tunnel-boring machine Big Bertha shut down for...

Posted by Wayne Grayson on Feb 11, 2014

Washington State Department of Transportation officials say Big Bertha, the world's largest tunnel-boring machine, is likely out of commission for ...

advertisement
advertisement
advertisement
advertisement
Show us your ink! Construction tattoo contest winner gets $500 Click here to enter.
Hello. Add your message here.