How common is it for bridges to collapse?
Since 2000, at least 23 major bridges have collapsed in the United States alone, causing more than 40 deaths and even more injuries. This doesn’t count many smaller local bridges that collapse all over the country that never make national news. Here are five common causes of modern bridge collapse.
What prevents bridges from collapsing?
Allow water or large debris to pass through bridges, creating better resistance during floods. Use clear span bridges that go over a channel without exposed supports. Make sure design standards outlined by the American Society of Civil Engineers are surpassed.
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.
Why did the Minneapolis bridge collapse?
The post-failure investigation by National Transportation Safety Board finds that the main reason behind the collapse of the I-35W Bridge in Minneapolis, Minnesota was the gusset plate that was cracked due to the inadequate load capacity.
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.
What bridge collapsed in Minneapolis?
Bridge 9340 in May 2006 (prior to collapse) The I-35W Mississippi River bridge (officially known as Bridge 9340) was an eight-lane, steel truss arch bridge that carried Interstate 35W across the Saint Anthony Falls of the Mississippi River in Minneapolis, Minnesota, United States.
