SAN FRANCISCO -- Damage estimates on the crane that toppled Thursday while crews worked on the Bay Bridge are still unknown, and a new crane will be brought in to re-start work on an eastern section of the bridge, a Bay Bridge spokesman said Friday.

Andrew Gordon of the Metropolitan Transportation Commission said crews continue to investigate what exactly caused the crane, which was attempting to remove a 129-ton piece of metal from the bridge's new eastern span, to collapse shortly after noon on Thursday.

The 258,000-piece of metal was part of a temporary support structure that suddenly slipped from a basket that was attached to and being lowered by the crane.

No one was injured, and the span itself was not damaged, although some paint was scraped off the underside of a cross beam, Gordon said.

Work on the bridge continued Friday, and the incident will not delay the span's grand opening on Labor Day. The only delay to the construction is the suspension of the removal of the temporary structures, which should resume once a new crane is brought in, Gordon added.

Contact Katie Nelson at 925-945-4780 or follow her at Twitter.com/katienelson210.



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