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Crews complete repairs on damaged 520 bridge anchor cable

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Date:  Wednesday, July 03, 2013

Contact: Travis Phelps , WSDOT communications, 206-715-9887 (Shoreline)

SEATTLE – Major repairs to a damaged anchor cable on the State Route 520 floating bridge in Seattle are complete. Washington State Department of Transportation maintenance crews and the contractor for the new floating bridge, Kiewit/General/Manson (KGM) A Joint Venture, finished the installation and tensioning of the new cable at 1 p.m., July 3.

WSDOT bridge crews regularly inspect the SR 520 bridge and discovered the damaged cable on the north side of the westernmost pontoon Tuesday, June 25. WSDOT crews had checked the pontoon just three weeks before and did not see any evidence of damage.

WSDOT is filing a report about this incident with the U.S. Coast Guard, and is continuing its investigation to identify the cause for the damage.

Preliminary repair costs are estimated to be approximately $200,000. The area around the cable is restricted to marine traffic, with the exception of construction vessels. WSDOT will try to determine the responsible party and seek reimbursement for repair costs.

The cable for this pontoon was replaced in 2010 as part of a preventive maintenance program. A safety redundancy built into the bridge’s cable and anchor system means there was no risk to drivers due to the break.


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