San Francisco-Oakland Bay Bridge, western part, view east from The Embarcadero.

This double suspension bridge portion has recently undergone extensive seismic retrofit:

• Almost all of the original hot rivets have been replaced with high strength bolts
• Criss-cross minor stiffeners have been replaced with steel plate.
• Additional diagonal reenforcement has been added under the decks.
• Some large concrete supports have been strengthened with additional reenforcing bar and a layer of concrete.

Image taken July 25, 2004 by w:en:User:Leonard G.

This image was used September 14, 2005 as the main page thumbnail for the featured article San Francisco-Oakland Bay Bridge.

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