That failure only resulted in the bridge falling 3 inches instead of the catastrophic failure seen last week but it was blamed on contractors working on the bridge so no alarms were sounded nationally. Hindsight.
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The same part failed on a bridge in Ohio several years ago.
http://www.cleveland.com/news/plaindealer/index.ssf?/base/news/1186736754295500.xml&coll=2
That failure only resulted in the bridge falling 3 inches instead of the catastrophic failure seen last week but it was blamed on contractors working on the bridge so no alarms were sounded nationally. Hindsight.