These photographs depict later stages in the construction of the San Francisco-Oakland Bay Bridge's west span. For scale, note the ferry in the bottom center of the upper photograph.
Identification Information: Dept. of Public Works, San Francisco-Oakland Bay Bridge Construction Photographs (F2516:1-93).
Top: West Span Stiffening Truss, 02/05/1936: Box 13 (C5229), photograph 6-1919.
Bottom: East Suspension Span, 04/23/1936: Box 13 (C5229), photograph 6-2181.