The Ruby Street Bridge, a double-leaf bascule bridge, opening for river traffic.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/14812197@N00">vxla</a> from Chicago, US
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/vxla/5778979467/">Lifting the Ruby Street Bridge</a>