This Is How You Rebuild One of the Nation's Busiest Bridges Without Interrupting TrafficThe Bay Bridge connecting San Francisco and Oakland my not be as iconic as the Golden Gate but it’s a vital traffic artery nonetheless. So how do you reconstruct the span without delaying its 280,000 daily commuters? Very carefully.

This is a shot from the top of the new single tower—525 feet tall, the largest of its kind. Now that the Cable Saddle is in place, workers have begun stringing the mile-long suspension cable that will support and stabilize the deck. The $6.3 billion project is scheduled for completion in 2013. [Popular Science]

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