A Bee investigation has found that the state Department of Transportation technician who conducted key testing to ensure structural integrity of the new San Francisco-Oakland Bay Bridge eastern span's foundation was later disciplined for fabricating test results on other projects.

Read the initial Bee investigation here. Additional articles and follow-ups are listed below.

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State Sen. Mark DeSaulnier, D-Concord, is calling for a criminal investigation into construction problems on the new San Francisco-Oakland Bay Bridge, and said the release this week of a Senate investigative report will show how the California Department of Transportation knowingly accepted substandard work at taxpayer expense.
The Self-Anchored Suspension Span (SAS) of the San Francisco-Oakland Bay Bridge taken from Treasure Island
Caltrans allowed cracks in the roadway of the new San Francisco-Oakland Bay Bridge, contrary to the welding code, and officials neglected to study the impact of a major earthquake on the cracks. A new analysis suggests the cracks pose a threat to public safety.
Aerial photos of the Oakland span of the new Bay Bridge taken
Caltrans’ decision to hire an inexperienced Chinese company, unaccustomed to the rigor of American construction rules, to fabricate the suspension span’s signature tower and roadway partly explains why costs ballooned to $6.5 billion and misgivings about the quality of the bridge persist. Caltrans continued to bet on ZPMC by relaxing U.S. standards when the company couldn’t finish the job fast enough.
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The anchor rods that hold in place strands of the main cable of the $6.5 billion San Francisco-Oakland Bay Bridge have a new problem: They are skewed off-center inside holes of the steel plate to which they are secured.

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