San Francisco News

Last strands of steel wire installed on new Bay Bridge

Tuesday, April 10, 2012
Bay Bridge

Image from SKY7-HD, April 10, 2012. (KGO Photo)

Caltrans is reporting a milestone on the new Bay Bridge.

Construction crews are now installing the last of 137 strands of steel wire, which will ultimately support the deck of the new bridge.

They've been installing it, day and night, since mid-December, sometimes four strands a day. Once all the strands are connected to the bridge deck, they will be compacted to form a single cable, two and a half feet in diameter.

It actually loops from one end of the bridge and back along the other side, making it the largest single loop suspension bridge in the world.

Learn more about the latest work being done on the new bridge at

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caltrans, bay bridge, construction, san francisco news
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