Webthe ship strike and tragic collapse of baltimore’s francis scott key bridge early tuesday morning has put a spotlight on the potential risks faced by two of metro. Weba bridge in baltimore, maryland, has collapsed into the patapsco river after being struck by a container ship. Six people remain missing as officials carry out a. Webmore than 17,000 bridges are vulnerable to collapse from a single hit, known as a “fracture critical” bridge. That means that if they are struck with enough. Webthe rail bridge that spans a portion of rainy lake is owned and operated by cn, the ontario ministry of transportation told ctvnewsnorthernontario. ca in an email. Webthe rapid collapse of a baltimore bridge that was struck by large cargo ship highlighted the importance that bridges play in the daily lives of many americans. Webthe key bridge collapsed after the ship knocked out one of its vertical support piers, and likely would have fallen even if it hadn’t had fracture critical members,.