The San Francisco-Oakland Bay Bridge construction photographs were taken between 1931 and 1936. The photographers are unknown.
The photographs show all stages of construction of the bridge, its components, and the on and off ramps. All facets of construction
are featured including excavation, piers, caisson fenders, viaducts, approaches, tunnels, portals, anchorages, towers, derricks,
catwalks, cables, trusses, spans, expansion grids, upper and lower decks, cantilever, airplane beacon, toll plaza, underpasses,
dredging and borings, and equipment used. Photographs of workers are scant.
Copyright has not been assigned to The Bancroft Library. All requests for permission to publish photographs must be submitted
in writing to the Curator of Pictorial Collections. Permission for publication is given on behalf of The Bancroft Library
as the owner of the physical items and is not intended to include or imply permission of the copyright holder, which must
also be obtained by the reader.