NTSB investigators have found the weight of the bridge and construction materials and equipment placed on it forced a poorly-designed and under-sized gusset to fail.
During a Thursday hearing of the National Transportation Safety Board, investigators say 289 tons of construction equipment and materials were stored on the 35W bridge on the day it collapsed. Investigators say an under-designed gusset plate was the primary cause of the disaster
Three survivors and the relatives of one of the motorists killed in the Interstate-35W bridge collapse are suing an engineering firm that inspected the bridge, and the construction company that was working on the bridge when it fell.
The final report on the causes of the I-35W bridge collapse will be discussed Thursday in Washington. Minnesota Public Radio News has learned NTSB investigators will report that under-designed gusset plates and weight added to the bridge deck were the primary causes of the collapse.
Investigators for the NTSB have concluded that under-designed gusset plates and the weight on the bridge deck were the primary causes of the I-35W bridge collapse, Minnesota Public Radio News has learned.
The fall of 2008 may turn out to be the wettest on record in the Grand Forks area in 120 years. That could increase the odds of significant flooding next spring.
The state fire marshal's office says one
person is injured after an explosion at a fireworks storage facility near Claremont in southeastern Minnesota.
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A 64-year-old man is pleading not guilty in
Duluth to charges that he allowed his campfire to get out of control and spark the giant Ham Lake wildfire in May 2007.
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Rep. Jim Oberstar is criticizing the National Transportation Safety Board after a published report said that investigators for the agency have determined an original design flaw is the likeliest reason for the collapse of the Interstate 35W bridge in Minneapolis.
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