The I-35w Was A Bridge Too Far

There are some tragic news stories that reflectrecords show that the I-35W bridge ranked near the
weather and nature related catastrophes like thebottom of federal inspection ratings nationwide. The
death and destruction due to droughts, floods,I-35W bridge was given a rating of 50 in the year
hurricanes, earthquakes or tornadoes. There are sad,2005. Out of 104,348 heavily used bridge structures
tragic stories like accidental drowning, car accidents,(those with more than 10,000 vehicles traveling on
and heart attacks.them per day), only 4,227, or 4%, scored below 50.
Then there is the story of the collapse of the I-35WProblems were noted in two subsequent inspection
bridge over the Mississippi River in Minnesota onreports in 2006. The inspection carried out June 15,
August 1, 2005 at 605pm.(CDT). There were thirteen2006 found problems of cracking and fatigue.
deaths due to this bridge collapse and the victims, eightSo what was the reaction by Minnesota state officials
males and five females aged 22 months to 60 years,when the I-35W bridge collapsed? "We thought we
who were all Minnesota residents.had done all we could," state bridge engineer Dan
They were probably returning home after a day ofDorgan told reporters not far from the mangled
work and were caught in rush hour in a traffic jam,remains of the bridge. "Obviously something went
moving slowly across the bridge in a limited number ofterribly wrong."
lanes when the central span of the bridge suddenlyMinnesota Governor Pawlenty must have been equally
gave way, followed by the adjoining spans. The bridgeshocked since he said in August of 2006 that his
structure and deck collapsed into the river and ontointerpretation of the bridge inspection reports indicated
the riverbanks below. Approximately 100 vehiclesthat the bridge "would last until 2020 or beyond."
were involved, sending their occupants and severalUnfortunately, his prediction was proven wrong by
construction workers up to 115 feet down to the riverthirteen years and thirteen premature deaths.
and onto its banks. Northern sections fell into a rail yard,Repairing bridges is not as politically attractive as other
landing on three unoccupied and stationary freight traincommunity projects for state politicians seeking
cars.election. In fact up to twenty percent of state
Why is this tragic story so different from floods,transportation spending goes toward more visible
hurricanes, drought, accidents, and earthquakes?community projects like museums and bike paths.
Because this story should never have occurred andMinnesota has used transportation spending on ninety
the thirteen people who lost their lives returning frommiles of dedicated bike lanes and off street commuter
work that August afternoon should never havetrails.
perished. The bridge collapsed and thirteen people lostThe large expenditures of fixing and building
their life because this was a bridge too far removedinfrastructure like bridges can often be to cumbersome
from the oversight of a competent and fiscallyfor state and local governments. This is where the
responsible state and federal government. LetsFederal Transportation bill comes into force. However,
examine the record of the I-35W bridge:this bill has been a large part of federal government
In 1990, the Federal Highway Administration gave thewaste for years. This is the bill that was the sponsor
I-35W bridge a rating of "structurally deficient," citingfor the infamous "Bridge to Nowhere" in Alaska. In fact,
significant corrosion in its bearings.the Federal Transportation Bill has been a significant
Since 1993, the bridge was inspected annually by thepart of the two hundred and fifty two billion dollars of
Minnesota Department of Transportation. In the yearsfederal pork barrel spending (Citizens Against
prior to the collapse, many different reports citedGovernment Waste ) since 1991 that our career
problems with the bridge's structure, yet the state offederal politicians have feasted on to help insure their
Minnesota relied on patchwork repairs and stepped-upreelection. ( See Pork Barrel Spending Wastes Tax
inspections.Dollars in the National Journal on this site).
According to a 2001 study by the civil engineeringSo, what had the federal government done to help
department of the University Of Minnesota, crackingMinnesota with the I-35W bridge repair , since the 1990
was discovered in the cross girders at the end of theFederal Highway Administration Report deemed the
approach spans. The main trusses connected to thesebridge "structurally deficient"? What had the federal
cross girders and resistance to motion at thegovernment done to help Minnesota with the ongoing
connection point bearings was leading to unanticipatedrecognition of the structural problems with the bridge
out-of-plane distortion of the cross girders andby the U.S. Department of Transportation? The
subsequent stress cracking. The situation wasanswer is that the I-35W bridge for sixteen years was
addressed by drilling the cracks to prevent furthernot a federally funded infrastructure project despite
propagation and adding supports struts to the crossseveral federal reports indicating severe structural
girder to prevent further distortion. The report alsoproblems, which would lead to the tragedy of August 1,
noted a concern about lack of redundancy in the main2007.
system, which meant the bridge had a greater risk ofState and Federal Government officials need to fund
collapse in the event of any single structural failure.infrastructure projects on priorities and needs and not
In 2005, the bridge was again rated as "structurallythe political expediency of the next election.
deficient" and in possible need of replacement,Government needs to address issues of bridges and
according to the U.S. Department of Transportation'sdams and highways long before they structurally
National Bridge Inventory database. The federalcollapse.
National Bridge Inventory database of inspection