August 2, 2007 at 12:07 PM EST - Updated June 30 at 6:15 PM
Some recent major bridge and highway collapses:
Aug. 1: An interstate bridge near downtown Minneapolis collapsed into the Mississippi River during the evening rush hour, killing at least four people.
July 31: A highway overpass under construction in Oroville, Calif., collapses, crushing a delivery truck and seriously injuring a construction worker who fell 50 feet.
April: A section of freeway that funnels traffic off the San Francisco-Oakland Bay Bridge collapses after a gasoline tanker truck overturns and erupts into flames. Only the truck driver is injured.
September, 2006: A bridge collapse in Quebec, Canada, kills five people.
November 2005: A section of a highway bridge under construction in southern Spain collapses, killing six people.
May 2003: A tractor-trailer slams into a bridge support on Interstate 80 in western Nebraska, sending the bridge crashing down onto the truck and killing the driver.
May 2002: A 500-foot section of a bridge spanning the Arkansas River in Webbers Falls, Okla., collapses and kills 14 people after a barge hits it.
July, Aug. 2002: Two bridges in Central China collapse, killing a combined 19 people.
Sept. 2001: The Queen Isabella Causeway in Texas collapses after a tow boat captain loses control of a string of barges and currents drive them into a bridge support. Eight people die when their vehicles plummet 85 feet into the channel.
March 2001: A bridge collapse in Lisbon, Portugal, causes a tour bus to plunge into a river, killing more than 50 people.
June 1998: A train traveling from Munich to Hamburg derails in Hanover, Germany, leading to the deaths of 101 people. Sections of the train flip off the tracks, causing the overpass to collapse.
April 5, 1987: A bridge on the New York State Thruway near Amsterdam, N.Y., gives way, killing 10 people.
May 9, 1980: The Sunshine Skyway Bridge in Tampa Bay collapses, killing 35 people. A ship hit the bridge during a storm, sending vehicles plummeting into the water.