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VIDEOS: Drone footage shows progress from 4 angles at $1.27B Ohio River East End Crossing project

VIDEOS: Drone footage shows progress from 4 angles at...

Posted by Bobby Atkinson on Aug 06, 2015

The billion-dollar Ohio River Bridges Project is still more than a year from completion, but the team behind it sent up ...

Rare design has crews working inside a tunnel to make bridge repairs in Michigan

Rare design has crews working inside a tunnel to make...

Posted by Bobby Atkinson on Aug 04, 2015

In a drive over U.S. 131 Bridge in Michigan, it'd be easy to miss that bridge is in the middle of ...

Dangerous tunnel ‘game’ ends in vehicular crash, multiple injuries

Dangerous tunnel ‘game’ ends in vehicular...

Posted by Lauren Heartsill Dowdle on May 28, 2014

You’ve probably heard the old superstition about holding your breath through a tunnel for good luck — or maybe you ...

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 ...

No. 6 in 2013: Big Bertha digs in before being stopped in her tracks

No. 6 in 2013: Big Bertha digs in before being stopped...

Posted by Equipment World Staff on Dec 30, 2013

There's been a lot of excitement this year about the world's largest tunnel boring machine. Named "Big Bertha," she arrived ...

Subway expansion in Delhi to set record with simultaneous use of 34 tunnel-boring machines

Subway expansion in Delhi to set record with...

Posted by Wayne Grayson on Jun 28, 2013

Seattle might have the world's largest tunnel-boring machine, but Delhi, India will soon have a record-setting host of the machines ...

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