The Portage Lake Lift Bridge in Michigan. This is the world's heaviest and widest double-decked vertical-lift bridge.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...e_fullsize.jpg
Ponte Morandi bridge demolition - GIF
Sailing a boat under a bridge - GIF and video
Tandem crane collapse while lifting bridge section on barge - videos
Finnish army combat engineers cross makeshift bridge - GIF
Railroad bridge catches fire and collapses - GIF and photo
Tank bridge - GIF
Lego bridge girder machine - GIF
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