I-35W Mississippi River bridge

The bridge collapsed in 2007.
 
Carries          8 lanes of I-35W
Crosses        Mississippi River
Locale          Minneapolis, Minnesota
Opened        November 1967
Daily traffic 140,000
Collapsed     August 1, 2007

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 Mississippi River in Minneapolis, Minnesota, United States.

During the evening rush hour on August 1, 2007, it suddenly collapsed, killing 13 people and injuring 145. The bridge was Minnesota's fifth busiest,carrying 140,000 vehicles daily.

The NTSB cited a design flaw as the likely cause of the collapse, and asserted that additional weight on the bridge at the time of the collapse contributed to the catastrophic failure.

Immediately after the collapse, help came from mutual aid in the seven-county Minneapolis-Saint Paul metropolitan area and emergency response personnel, charities, and volunteers.

Within a few days of the collapse, the Minnesota Department of Transportation planned a replacement bridge, the I-35W Saint Anthony Falls Bridge.

Construction was completed rapidly, and it opened on September 18, 2008.
The replacement bridge is known as I-35W Saint Anthony Falls Bridge.

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