The collapse of a tunnel containing radioactive waste dealt another setback to the multibillion-dollar cleanup of the Hanford nuclear waste site in Washington state.
It took years for Bertha, a tunnel-boring machine, to mine 1.7 miles underneath downtown Seattle, but crews will spend just five months removing the 57.5-ft-dia machine from the receiving pit near Seattle’s Space Needle.
The Province of British Columbia has started forward movement on constructing a new $3.5 billion project that includes replacing the aging George Massey Tunnel under the Fraser River with a brand-new, 10-lane bridge.
With the moniker of world’s longest floating bridge hovering around nearly every word written and spoken about the new State Route 520 bridge in Seattle, bridge owner Washington State Dept of Transportation has grown accustomed to the superlatives used when describing its now 1-year-old construction project.
After more than 50 years of maintenance of a 22-mile stretch of Interstate 5 south of Seattle, Washington State Dept. of Transportation officials say the time has come for a full rehabilitation.
A 35-acre redevelopment plan in Vancouver, Washington, will connect the city to the Columbia River within the city’s historic core, mixing in residential, commercial and parkland as part of an ambitious plan to reimagine a waterfront blocked to the public for over 100 years.
Expect this spring to hold a complicated fix for the four Rall wheels on Portland’s Broadway Bridge, one of the few remaining lift bridges in the world using the Rall design.
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