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BAY BRIDGE INVESTIGATION-HEARING
Engineers highlight mistakes made during construction of $6.4 billion SF-Oakland Bay Bridge
Reported by: Associated Press
Reported: Friday, January 24, 2014 6:42 PM EST
Government and private engineers told a state Senate commission that pressure to complete the new $6.4 billion eastern span of the San Francisco-Oakland Bay Bridge led to cracked welds and other subpar work on the crossing.
Metallurgy experts including James Merrill, an engineer who oversaw inspections of key bridge pieces, testified that defective seismic safety rods that failed last March were made of a corrosion-prone steel that should never have been used.
Merrill said that despite warnings that the rods were subpar, the California Department of Transportation approved them.