New bridge stands behind the old one

Standing behind the old gray lady of the old Bay Bridge, the new Bay Bridge’s self-anchored suspension span takes shape on Friday morning Nov. 2, 2012 in San Francisco, Calif. While the 525-foot tall tower gets most of the attention, the anchorage of the main suspension cable, nearly hidden in the road bed 200-feet above San Francisco Bay, is equally an engineering marvel. The critical structure, key to the span’s ability to hold its 77.6 million ton weight, reveals itself in the lower right as a slight budge in the bridge’s profile east of the tower.


Posted on September 12, 2012, in Uncategorized. Bookmark the permalink. Leave a comment.

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