Old Bay Bridge Demolition

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November 5, 2013 - June 11, 2015

Phase 1 - Cantilever
Separating and Dismantling the Cantilever Truss to Yerba Buena Island

COMPLETED: Removed June 11, 2015.

The first phase of the demolition process involved cutting the cantilever section at its center and then dismantling both sides.

Before the demolition team cut through the cantilever and separated its two halves, preparations were made to reduce structural tension and pull the suspended span on each end toward the rest of the bridge. Without these precautions, the two halves would have collapsed and fallen into the water below.

Crews also demolished the temporary bypass known as the S-Curve. This section of the original span along was cleared first in order to allow contractors to complete the bicycle and pedestrian path and to construct the permanent eastbound on-ramp from Yerba Buena Island.

Cantilever Demolition Video


  • What: Dismantling and removal of half mile span cantilever truss of the old east span of the Bay Bridge
  • When: November 5, 2013 - June 11, 2015 (COMPLETED)
  • Where: San Francisco Bay Bridge, Old East Span
  • Why: Continued work to dismantle the old East Span
  • How: Dismantled piece-by-piece, in near reverse order of the way it was erected some 80 years ago.
  • Who: Caltrans and partner agencies and the contractors



Old Bay Bridge Demolition Links

Contact Information

Physical Address:

California Department of Transportation
District 4
111 Grand Ave
Oakland, CA 94612

General Information:

Main Phone Line: (510) 286-4444

Alejandro Lopez
Bay Bridge Spokesperson
Caltrans District 4
Phone: (510)286-5445
Email: alejandro.lopez@dot.ca.gov

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