Courtesy Sfist, here's how the new Bay Bridge will fit into the existing tunnel through Yerba Buena Island -- they're going to build two parallel ramps for detours and funnel all traffic onto them while they tear down and then replace the existing viaduct that connects the tunnel to the existing bridge.
If they ever find the money, that is. The latest story is all about how much it's all going to cost. I seriously doubt I'll ever see it all completed by the time I'm 60 -- which is 11 years from now.
For those not in SF, this is not about replacing the picturesque suspension portion of the Bay Bridge:
They're leaving that up. It's about replacing the cantilever portion, which was damaged in the 1989 earthquake:
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