When did the I 35W bridge collapse in MN?
When did the I 35W bridge collapse in MN?
MNopedia, Minnesota Historical Society. http://www.mnopedia.org/event/i-35w-bridge-collapse (accessed June 13, 2021). View of the collapsed I-35W bridge (Bridge 9340) on August 1, 2007. Photograph by Heather Munro. The I-35W (Interstate 35 West) bridge over the Mississippi River in Minneapolis opened to traffic in 1967.
How many people died in the MN bridge collapse?
At that point, five people were confirmed dead and 8 others missing. Even for those who were nowhere near the bridge when it collapsed, it was an “I remember where I was when…” moment in state history. The Interstate 35W bridge disaster in Minneapolis killed 13 and injured 145, when the bridge broke apart during rush hour on Aug. 1, 2007.
What kind of bridge is 9340 in MN?
Bridge 9340 consisted of fourteen spans: nine spans were of steel multi-girder construction, two were of concrete slab construction, and the main three were of deck truss construction. The Minnesota Department of Transportation, also known as MnDOT, was tasked with taking over annual bridge inspection beginning in 1993.
MNopedia, Minnesota Historical Society. http://www.mnopedia.org/event/i-35w-bridge-collapse (accessed July 1, 2021). View of the collapsed I-35W bridge (Bridge 9340) on August 1, 2007. Photograph by Heather Munro. The I-35W (Interstate 35 West) bridge over the Mississippi River in Minneapolis opened to traffic in 1967.
What was the cause of the bridge collapse in MN?
Within twenty-four hours of the bridge collapse, investigators from the National Transportation Safety Board (NTSB) arrived on the scene to figure out the root cause of the tragedy. Investigators looked at the weather, traffic patterns, and even the type of solvent used to melt ice that built up in wintertime.
How many people died in the Mississippi bridge collapse?
Within seconds, 1,000 feet of the bridge collapsed, and about 456 feet of the main span fell 108 feet down into the Mississippi River and its banks. Thirteen people were killed and 145 were injured as a result.
When was the bridge over the Mississippi River built?
Thousands of vehicles drove across it every day, but no one imagined that a mistake in the bridge’s design, made over forty years prior, would have such disastrous consequences on one summer evening in August of 2007.