(CNN) There have been a number of deadly bridge collapses through the years, some due to structural deficiencies and others in collisions or accidents. Here's a look back at the 10 deadliest incidents in the last half century.
READ: Pedestrian bridge collapses at a university in Miami
Where: Kansas City, Missouri
When: July 17, 1981
The walkways on the second and fourth floor of the Hyatt Regency Hotel collapsed under the weight of guests. They then both crashed onto a crowded dance floor in the lobby. The American Society of Civil Engineers called it "one of the most devastating structural failures in U.S. history in terms of lives lost."
Where: Outside Mobile, Alabama
When: September 22, 1993
Part of an Amtrak train fell off a trestle into the bayou and caught fire. It happened right after a barge hit a railroad bridge. Minutes later, the Amtrak Sunset Limited hit the bent tracks and plunged into the bayou.
Where: Between Point Pleasant, West Virginia and Gallipolis, Ohio
When: December 15, 1967
According to eyewitnesses, the entire 1,460-foot suspended portion of the Silver Bridge folded "like a deck of cards" in less than 20 seconds and collapsed into the river. Investigators later blamed a fracture in the bridge for the accident.
Where: Oakland, California
When: October 17, 1989
The Cypress Freeway Viaduct was a double-decker freeway structure that connected Interstate 880 to the Bay Bridge approach. The Loma Prieta Quake caused the upper deck to collapse on to the lower.
Where: Outside St. Petersburg, Florida
When: May 9, 1980
A freighter struck the bridge during a thunderstorm, sending a bus, six cars and a pickup truck into the bay.
Where: Webbers Falls, Oklahoma
When: May 26, 2002
A third of the I-40 bridge fell after a towboat pushed a barge into a support.
Where: East Chicago, Indiana
When: April 15, 1982
Three spans of the elevated Cline Avenue bridge extension highway project gave way, according to UPI.
Where: Minneapolis
When: August 1, 2007
Support plates that were about half as thick as they should have been were the likely cause of the I-35 W bridge collapse over the Mississippi River, investigators said.
Where: Fort Hunter, New York
When: April 5, 1987
Faulty construction was to blame for the collapse of the bridge. According to the Times-Union, the bridge's pilings were built on the riverbed instead of driven into the bedrock beneath the surface.
Where: Brunswick, Georgia
When: November 7, 1972
A freighter collided with a drawbridge, sending cars into the Brunswick River.