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2 Portland area bridges have similar vulnerabilities to collapsed bridge in Baltimore

www.kptv.com 2 Portland area bridges have similar vulnerabilities to collapsed bridge in Baltimore

All seven of the bridges are supported by vulnerable concrete island towers, called ‘piers’.

2 Portland area bridges have similar vulnerabilities to collapsed bridge in Baltimore

"Portland’s St. John’s Bridge and the Lewis & Clark Bridge connecting Oregon and Washington are among the seven bridges on the list."

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