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Weld

Traffic flows across the new eastern span of the San Francisco Oakland Bay Bridge on the morning after the official opening of the bridge on September 3, 2013 in San Francisco. (Justin Sullivan/Getty Images)

Caltrans Officials Claim New Bay Bridge ‘Misalignments’ Are No Cause For Concern

A Caltrans spokesman said Tuesday that non-standard weld connections that were used to hold road deck sections together on the new eastern span of the Bay Bridge won’t affect the bridge’s performance during earthquakes.

02/25/2014

San Bruno Explosion

PG&E Blames 1956 Strength Test For San Bruno Pipeline Blast

Pacific Gas & Electric Co. said a pipeline strength test the company performed in 1956 damaged a weld and led to the 2010 explosion in San Bruno that left eight people dead and destroyed dozens of homes.

06/27/2012