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seismic stabilization bolts

A Caltrans technician tests some of the defective Bay Bridge bolts.

Caltrans Testing Defective Bay Bridge Bolts

The investigation into busted steel rods on the new Bay Bridge moved to Sacramento Thursday as Caltrans technicians put some of the bolts to the test.

05/09/2013

Signs that bolts have snapped on the new Bay Bridge. (credit: CBS)

Bolts On Bay Bridge That Haven’t Failed May Go

Transportation officials say long seismic safety bolts on the new eastern span of the San Francisco-Oakland Bay Bridge that haven’t failed may have to be replaced nonetheless.

04/24/2013

Signs that bolts have snapped on the new Bay Bridge. (credit: CBS)

Seismic Stabilization Bolts Snap On New Bay Bridge

Dozens of bolts used for seismic stabilization have snapped on the new span of the Bay Bridge. Caltrans told CBS San Francisco what they’re doing to fix the problem.

03/27/2013