Rendering courtesy of Washington State Department of Transportation
Popular Mechanics has the inside
story on how exactly crews will replace the 48-year-old state Route 520
floating bridge across Lake Washington with a new six-lane bridge. If you’re wondering how they will get a quarter-million tons of concrete to float, this story tells you.
This entry was posted
by Lynn
on Tuesday, December 13th, 2011 at 5:48 pm and is filed under Architecture, Engineering, Government, Historic, Landmarks, Planning, Politics, Preservation, transportation.
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