page_title: MacArthur Maze
section_title: Rebuilding
hierarchical_section_title: MacArthur Maze / History / 2007 I-580 East Connector collapse / Rebuilding
caption_attribution_description: English: Reconstruction work of the eastbound Interstate 580 connector ramp after the collapse on 2007-04-29 due to a gasoline fire.
context_page_description: The MacArthur Maze is a large freeway interchange near the east end of the San Francisco–Oakland Bay Bridge in Oakland, California. It splits Bay Bridge traffic into three freeways—the Eastshore, MacArthur and Nimitz.
context_section_description: Caltrans spokespersons estimated immediately after the accident that it would take weeks to clear the debris from the scene and months to rebuild the affected sections. Initial cost projections for rebuilding the I-580 connector alone reached $10 million. However, due to the urgency to reopen such a vital highway link the project was expedited, and most demolition work and debris removal was completed by the Tuesday following the accident. For a historic comparison, Caltrans did successfully replace a single damaged upper deck panel of the Bay Bridge (after the Loma Prieta earthquake) and the collapsed portion of the I-10 Santa Monica Freeway in Los Angeles (after the Northridge earthquake) in roughly one month by expediting its internal approval process and offering an incentive program for the contractors.
  On May 7, 2007, the I-880 connector reopened at 4:30 am to traffic. Substantial work was done to retrofit the strength of the structure, which had sunk 9 inches (230 mm) due to the collapse of the I-580 connector onto the I-880 connector.
  A contractor with a proven track record of rebuilding damaged freeways (most notably the Santa Monica Freeway after the 1994 Northridge earthquake) well ahead of schedule, C. C. Myers, Inc., submitted a winning bid of $876,075 to repair the damage to the I-580 connector. The bid was estimated to cover only one-third of the cost of the work, but the firm counted on making up the shortfall with an incentive of $200,000 per day if the work was completed before June 27, 2007.
  On the evening of Thursday, May 24, the I-580 connector re-opened, just before the busy Memorial Day weekend. The deadline to finish the project was beaten by over a month, with the contractor earning the $5 million bonus for early completion.  The entire reconstruction project was completed only 26 days after the original accident.
  A state projection concluded that the connector collapse had cost $90 million, based on a $6 million per day economic impact estimate. This includes a $491,000 loss in toll revenue for the Oakland Bay Bridge.
  On May 25, 2007, the CHP revoked the license for transporting hazardous materials from Sabek Transportation, the owner of the tank truck, after an investigation found 36 violations of its operations and equipment.
caption: The connector during reconstruction work.
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