Weld

Traffic flows across the eastern span of the San Francisco Oakland Bay Bridge.  (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