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Article: Flaw caused Minn. bridge collapse: ; Plates that linked beams were worn down by years of heavy loads
- Article from:
- Charleston Daily Mail
- Article date:
- January 15, 2008
- Author:
CopyrightCopyright 2008 Charleston Daily Mail. Provided by ProQuest LLC. (Hide copyright information)
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A design flaw caused a Minnesota bridge to collapse last summer,
killing 13 people and injuring 100 in an accident that focused
renewed attention on the safety of the nation's highways and
bridges, according to federal sources familiar with the
investigation.
The National Transportation Safety Board is expected to announce
today that investigators have traced the failure to steel structures
known as gusset plates that held together beams on the Minneapolis
bridge, according to sources who spoke on condition of anonymity
because they were not authorized to discuss the board's findings.
Some gusset plates on the bridge, which carried eight-lane
Interstate 35W across the Mississippi River, ...