The Interstate 35W bridge over the Mississippi River outside of downtown Minneapolis, Minnesota, collapsed during rush-hour traffic on August 1, 2007. Here's a look back at that day.
According to the Minnesota Department of Transportation, the bridge was the third busiest in the state, carrying an average of 140,000 vehicles a day.
Construction started on the bridge in 1964, and it was opened to traffic in 1967. Sverdrup & Parcel designed the bridge.
The bridge collapsed at 6:05 p.m. CDT, sending 111 vehicles into the Mississippi River below.
A school bus carrying 61 people was on the bridge during the collapse. Fourteen kids suffered injuries from the fall.
Divers searched the river for days looking for victims. Thirteen people were killed from the incident and another 145 were injured.
Ron Engeeretsen (C) embraces his daughters Anne (L) and Jessica. Ron's wife Sherry was killed when the bridge collapsed.
Then-Minnesota Governor Tim Pawlenty spoke at an interfaith memorial service at St. Mark's Cathedral to remember the victims.
The U.S. Coast Guard assisted with recovery efforts.
President George W. Bush flew to Minnesota in the days after the collapse to get a look at the damage.
Crowds would gather to look at the wreckage from other bridges, such as the Stone Arch Bridge, in Minneapolis.
People watched as crews removed vehicles and debris from the fallen bridge.
The National Transportation Safety Board investigated the collapse and found undersized gusset plates as the main cause of the collapse. Minnesota Public Radio reported 270 tons of construction equipment and materials were on the bridge at the time of the collapse.
A new, $234 million bridge was opened to traffic on Sept. 18, 2008.