San Francisco Public Library > San Francisco Historical Photograph Collection > [Construction of Pier W-4 of the San Francisco-Oakland Bay Bridge]

Image / [Construction of Pier W-4 of the San Francisco-Oakland Bay Bridge]

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Title
[Construction of Pier W-4 of the San Francisco-Oakland Bay Bridge]
Date Created and/or Issued
[1935?]
Contributing Institution
San Francisco Public Library
Collection
San Francisco Historical Photograph Collection
Rights Information
Permission to use this image must be obtained from the San Francisco History Center, San Francisco Public Library: www.sfpl.org/permissions.
Description
Folder: S.F. Bridges-Bay-Construction-Piers.
Permission to use this image must be obtained from the San Francisco History Center, San Francisco Public Library: www.sfpl.org/permissions.
On back: "SAN FRANCISCO-OAKLAND BAY BRIDGE; Walter G. Swanson; 500 Sansome St. - GA rfield 1415. File 900.11 B-12/BD. Aerial view showing two 40-Ton Guy Derricks on top of Concrete Shaft of Pier W-4, the Concrete Center Anchorage, which will erect the huge steel A-Frame to which the cables of the twin suspension spans will be anchored. At the south side of the Pier may be seen the barge load of steel which will form the bottom section of the A-Frame. According to Chief Engineer C. H. Purcell, the height of the Concrete Center Anchorage from water level to top of concrete is 235.18 feet.
Type
image
Extent
1 photographic print:
Subject
Bridges--Bay--Construction--Piers
San Francisco (Calif.)--Photographs

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