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Old Posted Nov 12, 2009, 11:33 PM
BTinSF BTinSF is offline
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Join Date: Jun 2006
Location: San Francisco & Tucson
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Quote:
Originally Posted by Duffstuff129 View Post
Cool bridge, but the giant block of concrete in the middle of the span kinda takes away from its quality.

As someone who drove across the bridge about 30 minutes before a section of it collapsed in 1989, I focus my mind on that "chunk of concrete" underneath me when I'm driving across it ever since and it's very reassuring.

Other than "self-anchored" ones (like the new eastern span), suspension bridges need an anchorage for the cable on either end. The Bay Bridge western span is really 2 suspension bridges end to end, each with the cable anchored on land at one end and in that "chunk of concrete" on the other.
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