America's most dangerous bridges

Millions of people cross aging, deteriorating bridges every day. Are you one of them? We analyzed 2012 data from the Federal Highway Administration and ranked bridges with more than 50,000 users a day according to their 2012 "sufficiency rating": a percentage from 0 (worst) to 100 (best), determined by a formula that factors in how essential a bridge is to the public as well as its structural adequacy, safety and serviceability for modern use. Read on to find out if your travel plans cross any of America’s most troubled bridges. | By Sarah L. Stewart, Travel + Leisure

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