Caltrans Records Reveal Concerns About Bay Bridge Concrete
A builder of the new San Francisco-Oakland Bay Bridge failed to disclose that a 19-foot section of concrete in the foundation of the span’s signature tower had not hardened before it was tested. By keeping quiet about the problem, the builder prevented further examination or repair…Beyond the large area of suspicious concrete in one of the reinforced underground foundation piles, a Bee examination of Caltrans records found numerous other problems with the piles, and gaps in essential data. Experts who reviewed concrete and engineering records for The Bee questioned the ability of the main tower foundation to resist an extreme earthquake – the reason for building the new bridge.
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