Chicago's Columbus Ave bridge descends 5/20/09

2,736 views · Published 21 May 2009 · 1:57 · Indexed 12 October 2026

Channel: Kimock7 · 2009 · Science & Technology

Watch on YouTube

Single leaf bascule steel bridge descends producing hair raising, bloodcurling sounds while river rats nip at my back.  Built 1982.  Use of truss structure counterweights in it's finest form.  Fast and efficient so sail boats may pass en route to Lake Michigan.

More from this channel