Detail View of San Francisco-Oakland Bay Bridge. Historic American Engineering Record (HAER). Black and white photograph of the San Francisco-Oakland Bay Bridge, detail tower view features cross bracing and rivets, matted and framed under glass. Frame: Fine; may have slight indistinguishable signs of wear at extremities. Overall measures: 31.5 x 31.5 x 1 inches. Significance: The San Francisco-Oakland Bay Bridge is an impressive engineering structure and an important transportation link in the United States. The Bay Bridge is also a milestone in the political history of the Bay Area. People may disagree as to which of the Bay Bridge’s roles is more important. The structure is highly significant in all of these different ways. (HAER CAL, 38-SANFRA, 141- / Library of Congress). See our other listings for a compliment. Framed photograph, View of Anderson Marsh, Oakland, CA, SF Bay Area.