Because the deck truss portion of the I-35W bridge was considered nonload-path-redundant, the total collapse of the deck truss was unavoidable once the gusset plates at the U10 nodes failed.

National Transportation Safety Board Chairman Mark V. Rosenker said the Interstate 35W bridge had been built with gusset plates -- the steel parts that connect the girders, which support the ...

National Transportation Safety Board investigators probing the Aug. 1 collapse of an Interstate highway bridge in Minneapolis have found that some of the gusset plates in the bridge's main trusses ...

Steel plates connecting beams in the Interstate 35W bridge in Minneapolis were too thin by half and fractured, “the critical factor” in the collapse that killed 13 people and injured 145, the ...

The investigators blamed the design firm of Sverdrup & Parcel for not calculating the proper size needed for the gussets when the bridge was designed in 1963. The plates were only half the ...

A buckled steel plate may be all it takes to bring down a 40-year-old structure like the Minneapolis I-35W bridge, which collapsed suddenly on Aug. 1 and killed 13 people. Forensic engineers ...

WASHINGTON — A newly released report by the National Transportation Safety Board shows that a pair of gusset plates on the Interstate 35W bridge broke at least partially along lines of corrosion ...

WINONA, Minn. - Minnesota Department of Transportation inspectors failed to notice the severity of corroded gusset plates on the Interstate Bridge in two inspections during the past 14 months because ...

A design flaw caused the Interstate 35W bridge in Minneapolis to collapse last summer, killing 13 people and injuring 100 in an accident that focused renewed attention on the safety of the nation ...

The "most historical pieces" that failed and led to the Interstate 35W bridge collapsing in a deadly heap into the Mississippi River six years ago were turned over Thursday to the Minnesota ...

Starting Thursday, the National Transportation Safety Board (NTSB) will reveal details about what it believes caused the I-35W bridge collapse in Minneapolis. Thirteen people died and 145 people ...

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