Cody Dock Rolling Bridge - Credit: Wikimedia Commons
The Cody Dock Rolling Bridge is a moveable pedestrian bridge in London, England at Cody Dock. The bridge is manually rolled using winches to alternate between pedestrian and boat traffic. It crosses a channel that runs from River Lea to a nearby dock. It was designed by Thomas Randall-Page and Tim Lucas, and built by Cake Industries. Read more on Wikipedia
Source: en.wikipedia.org