Almost 56,000 US Bridges Deemed 'Structurally Deficient' And It's Fine, Everything Is Fine Kristen Lee and Jalopnik Feb 17, 2017, 1:15pm How many times have you driven across a bridge and thought, "What are the chances that this just collapsed under me?" And then you gave yourself a shake and then thought, "Nah! It's probably structurally sound!" Well, maybe. Maaaaybe.