Bronze Yard â11, the official standard of length for the United States between 1855 and 1892, when the Treasury Department formally adopted a metric standard. Bronze Yard â11 was forged to be an exact copy of the British Imperial Standard Yard held by Parliament.
âAbsolutely it's the way to go-every city should have a big tunnel underneath it,â said Hauser. âAlaskan Way Viaduct, which is old and ugly and dirty, and it's gonna fall down if the earth moves and it shakes any more, it's gonna fall.â.Big Bertha doesn't just drill-it installs concrete wall panels as it goes, leaving a finished tunnel behind. âThis is a work of art,â said Hauser.Alaskan Way Viaduct, which is old and ugly and dirty, and it's gonna fall down if the earth moves and it shakes any more, it's gonna fall.â. Big Bertha doesn't just drill-it installs concrete wall panels as it goes, leaving a finished tunnel behind.
Half of the viaduct is already gone, demolished and replaced by crews at the south end of downtown, near Seattleâs stadiums. Completed on budget and one year ahead of schedule, this new section of SR 99 connects to the remaining viaduct along the waterfront to keep SR 99 traffic moving until the tunnel opens to traffic.he Alaskan Way Viaduct Replacement Program includes projects led by the Washington State Department of Transportation, King County, the City of Seattle and the Port of Seattle.