October 8, 2007: MnDOT awards new bridge contract to Flatiron/Manson. This twin repairs has already added tremendous dead load to the structure.
In 2001, a report to the State of Minnesota said that while the bridge had not experienced "fatigue cracking," it did have poor "fatigue details" on the "floor truss system," described as the "primary load-carrying members" of the bridge's superstructure. The structures of business differentiate based on liability, tax implications, and what type of business is being evaluated when determining what structure. However, considerable work has been done, and a critical design flaw that may well have been the cause of the collapse has been identified. (HE355.H562 2008) The Legislative Auditor was requested to update their 1997 report, Highway Spending, shortly after the 35W bridge collapsed.
August 1, 2011: The 35W Bridge Remembrance Garden, located near Gold Medal Park, was unveiled by Gov.
Calculations were made on the stress capacity of the gusset plates and were found to be way deficient and the loads applied on the bridge were over their design limit. Implication to Engineering The collapse of bridge I-35W is a slap to the engineering profession, because it will tend to show that structural designers failed to provide safety nets to our structures not only on bridges but also buildings. August 4, 2007: Mn/DOT issues a request for qualifications for a Design Build Contract for the I-35W Bridge replacement project. BridgeArt.
I-35W Bridge Collapse and Repsonse: Minneapolis, Minnesota. At the time of the collapse, traffic was congested from normal rush hour traffic and fans headed to the Twins game.
tollroadsnews. (TG25.M6 B35 2009), Bridging the Gap: Restoring and Rebuilding the Nation's Bridges.
Kirk, Robert S. and William J. Mallett. At first glance, this collapse seemed to share some parallels with the Point Pleasant Bridge collapse of 1967 and the Mianus River Bridge failure of 1983.
This is just a sample. The Investigation From the wreckage of the collapsed bridge, investigators found several fractured gusset plates. The City, the River, the Bridge: Before and After the Minneapolis Bridge Collapse. And the bridge was also rated as fracture critical, meaning the failure of just one vital component could cause the whole bridge to collapse. This is only for the longest p of 458 feet and a width of 113 feet or roughly 8 road lanes, the one p directly over the river. Ethics; Minneapolis Bridge Collapse: ... and within months of the collapse, the Minnesota state legislature raised the gas tax and funded a $2.5 billion bridge improvement program. The I-35W bridge was rebuilt within 14 months. December 19, 2007: Minnesota Legislature's Joint Committee to Investigate the Bridge Collapse announces it has authorized the spending of up to $500,000 to the law firm Gray Plant Moody for an investigation into MnDOT and the I-35W Bridge collapse. It introduces the topic and points to sources for further research.
” Design News.
"America's infrastructure is like a third-world country," says former Republican Rep. Ray LaHood, who served as transportation secretary under President Obama.