Ever driven across the state Route 520 bridge and wondered how something that massive and made of that much concrete can float? At 1.5 miles long, the existing 520 Bridge between Seattle and Medina is ...

Yesterday afternoon at a school in Medina, the Washington State Department of Transportation and contractor Kiewit/General/Manson, A Joint Venture (KGM) unveiled the latest construction plans and ...

Trigger warning: If you suffer from gephyrophobia — a fear of bridges — you may want to stop reading right now. We're going to be talking about driving on some of the longest bridges in the world, and ...

Many of the people traveling across one of Lake Washington’s floating bridges likely take the innovative spans for granted, but when the lake’s very first floating bridge opened to traffic on July 2, ...