They are doing that with the Bay Bridge: http://www.nytimes.com/2011/06/26/business/global/26bridge.html?pagewanted=all http://www.nytimes.com/2011/06/26/busin

They are doing that with the Bay Bridge: http://www.nytimes.com/2011/06/26/business/global/26bridge.html?pagewanted=all http://www.nytimes.com/2011/06/26/business/global/26bridge.h...