What caused the I 35 bridge in Minnesota to collapse?
The National Transportation Safety Board ultimately determined that the probable cause of the collapse of the I-35W bridge “was the inadequate load capacity, due to a design error . . . of the gusset plates at the U10 nodes, which failed under a combination of (1) substantial increases in the weight of the bridge.
What caused the Tacoma Narrows Bridge to collapse?
The collapse of the Tacoma Narrows Bridge was driven by wind-generated vortices that reinforced the twisting motion of the bridge deck until it failed.
Who was responsible for the Minneapolis bridge collapse?
And the National Transportation Safety Board determined that it was a design flaw, and not deferred maintenance, neglect, or other problems, that caused the 35W bridge to collapse. Gusset plates that hold the bridge’s huge steel beams together were only half as thick as they should have been.
What caused the I 35W bridge collapse?
The I-35W Mississippi River Bridge in Minneapolis collapsed suddenly in August 2007. The official cause was attributed to gusset plates that were too thin and tore along a line of rivets. The issue: The plates had supported heavy traffic volume for 40 years.
Why is the 35W bridge collapsed?
WASHINGTON Investigators said Monday that the Interstate 35W bridge in Minneapolis, which collapsed into the Mississippi River on Aug. 1, killing 13, came down because of a flaw in its design.
How many people died in the Minneapolis Bridge?
Minnesota Bridge Collapse Survivors Take Pieces Of It Home On Aug. 1, 2007, the interstate 35W bridge in Minneapolis collapsed, killing 13 people and injuring 145 others. Now, survivors of the accident are able to claim pieces of the bridge.
How did the Minnesota bridge collapse?
The collapsed 35W bridge in Minneapolis seen on August 2, 2007. Ten years ago, the Interstate 35W bridge over the Mississippi River in downtown Minneapolis collapsed, sending cars, trucks and even a school bus that were crawling over it in bumper-to-bumper rush hour traffic plummeting into the river below and onto the rocky shore.