George Washington Bridge Walk New Jersey to New York, July 17, 2023

“The rivets were of carbon steel, 1 in. in diameter for the main members, although a few 7/8-in. rivets were used in the portals; a total of 488,000 field rivets were driven in the New Jersey tower and 498,000 in the New York tower” (Transactions of the American Society of Civil Engineers, Volume 97, 1933. George Washington Bridge: Construction of Superstructure, pp. 260, emphasis mine). A total of 11 million rivets were driven in the fabrication of the George Washington Bridge.