The 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 -- 160m tall, the largest of its kind. Now that the Cable Saddle is in place, workers have begun stringing the 1.6km-long suspension cable that will support and stabilise the deck. The $US6.3 billion project is scheduled for completion in 2013. [Popular Science]