MnDOT Finds Corrosion on Gusset Plates on Mississippi River Bridge

The Minnesota Department of Transportation said it found corrosion in several gusset plates in the Mississippi River Bridge at Winona. Those are the same structural components that bridge's sudden close June 3, 2008. Officials are restricting weight limits until Tuesday's repairs.

From Associated Press

Under-designed and corroded gusset plates were determined to be a major cause of the I-35W bridge collapse in Minneapolis. More information about that failure at Wikipedia and the NTSB's report on the failure here (PDF, 4.2M).