The Brooklyn Bridge Part VIII: Additional Information About the Brooklyn Bridge ©
C First bridge in the world to be lit by electricity at night.
C First suspension bridge to use galvanized steel wires in its main cables.
C Cincinnati-Covington Bridge, sister of the Brooklyn Bridge, also built by John A. Roebling, opened in 1866, is the only other suspension bridge in the United States to have stone towers.
C Today, some 30 New York City Department of Transportation workers look after the bridge.
C It is supposed to be repainted every five years but this is not always on schedule.
C Epoxy paints are used.
C River Span: 1,595 feet.
C 5,989 feet in total length including approaches and land spans twice as long as any previous bridge built at its opening in 1883.
C 85 feet wide at bridge floor.
C Number of cables: 4.
C Diameter of each cable: 15 3/4 inches.
C Length: 3,578 feet 6 inches.
C Number of wires in each cable: 5,434.
C Total length of wire in each cable: 3,515 miles.
C Number of wires in each strand: 286.
C Number of strands in each cable: 19.
C Weight of each cable: 7,732,086 pounds.
C Pull strength of each cable: 24, 621,780 pounds.
C Depth of Brooklyn side: 44 feet 6 inches below high water.
C Depth of Manhattan side: 78 feet 6 inches.
C Height of each Tower: 276 feet 6 inches.
C Weight of each anchorage: 60,000 tons
NYC Walks Blog 31 The Brooklyn Bridge Part VIII: Additional Information About the Brooklyn Bridge © 2018 by Dr. Philip Ernest Schoenberg