The construction crews of the San Francisco-Oakland Bay Bridge often worked at dizzying heights, evidenced by this photograph of workmen on the central portion of the cantilevered section of the eastern span.
Identification Information: Dept. of Public Works, San Francisco-Oakland Bay Bridge Construction Photographs (F2516:1-93). Suspended Span East Arm, 03/21/1936: box 14 (C5229), photograph 7-1253.