the new bay bridge (san francisco)

Photos of the construction of the new San Francisco-Oakland Bay Bridge (California).­

For more information, check the official site: baybridgeinfo.­org/­

this a pretty good bridge that their building
The estimated cost for the new Bay Bridge (the East Span), is $5.487 billion. This amount does not include program contingencies. Project costs are evaluated quarterly. i found this informatrion here: [url removed - click "Add a Comment" to view url]
What is the overall cost of the construction?