SEATTLE - Seattle's State Route 99 tunnel boring machine known as 'Bertha' is being dismantled in a disassembly pit, near the Seattle Center. The State Department of Transportation releaseD new ...

Inside Bertha's control room inside the machine The tunneling route is divided into ten zones. The first of these is where Bertha will go slow, only about six feet (1.8) per day, as the engineers ...

Seattle's tunnel boring machine that's been digging beneath the city for the State Route 99 tunnel reached ... Just before 10 a.m., Bertha pierced the cement wall of the tunnel, sending water ...

Bertha has made it to the finish line. The celebrity boring machine’s arrival near Seattle ... Street or Western Avenue will have to find new routes. An estimated 35,000-plus vehicles per ...

The disassembly pit where the SR 99 tunneling machine Bertha is set to emerge in Seattle ... The new Highway 99 will be a double-decker route and construction of the upper deck has been happening ...

(Via WSDOT / Flickr) Bertha, the SR 99 tunneling machine ... the weight of mile-high glaciers,” WSDOT said. The route will take the machine past the foundation of the northbound SR 99 off ...

Bertha’s end could be near ... covering 4,662 feet on the future Highway 99 tunnel’s route. At that point, the top of the massive machine was 190 feet below First Avenue downtown, passing ...

The tunneling machine stopped after it chewed into a steel pipe and began to encounter unusual resistance. Bertha has advanced about 1,000 feet along the 1.7 mile tunnel route. In an update posted ...

Bertha, Seattle's troubled tunnel machine, is on the move after being stalled for more than a year. The giant boring device that is trying to dig a new State Route 99 beneath the city started ...

To create a machine that was large enough for the ... Fortunately, no damage was caused by Bertha's passing and the route was reopened in May. After that, Bertha dove deep under the city center ...

Seattle – Bertha the tunnel machine is rolling again. The massive machine boring a tunnel to replace the state Route 99 Alaskan Way Viaduct stopped drilling on June 23 to undergo scheduled ...