Article: Quake-proofing San Francisco Bay Bridge may cost $1.3 billion.

The task of seismically retrofitting the San Francisco-Oakland Bay Bridge to protect it from earthquakes is so complex that projected costs have soared from $250 million to nearly $1.3 billion and half of the eight-mile span must be replaced, according to a report released last week by California transportation officials.

The new estimates are double the $650 million earmarked in Proposition 192, a $2 billion general obligation bond measure that goes before voters statewide March 26. Critics of the plan claim the timing of the revised figures' release last Wednesday was an attempt to promote the need for the highway retrofitting GO.

Caltrans, the state's ...

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