In the aftermath of the I-35W Mississippi River bridge collapse in Minneapolis, Minnesota in August 2007, local officials called for a renovation of the skyway and its non-redundant trusses. The work, aimed at preventing metal fatigue and other structural instabilities that are believed to have caused the Minneapolis disaster, was expected to cost $10 million and take one year to complete. The New Jersey Department of Transportation (NJDOT) identified the skyway in 2008 as one of eight "high priority" bridges in need of repairs. After work began it was determined that the repairs needed were more extensive, costly, time-consuming than than expected, and the agency estimates rehabilitation will cost approximately $1–1.3 billion. Work has proceeded without the closure of the roadway, but rather alternate lane closings affecting the 67,000 daily crossings. In 2009, NJDOT has installed nets to catch falling pieces of the structure. The department spends tens of millions of dollars each year in maintenance on the skyway and estimates that it would take a decade before the state could afford to rehabilitate or replace the structure.
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