Verrazzano-Narrows Bridge Island with the rest of the city. Various issues delayed the start of construction until 1959. The bridge opened on November 21, 1964, and a second deck beneath the existing span was opened in June 1969. The New York City government began a $1.5 billion reconstruction of the bridge's two decks in 2014. The Verrazzano-Narrows Bridge has a central span of . It was the longest suspension bridge in the world from 1964 until it was surpassed by the Humber Bridge in the United Kingdom in 1981. The bridge has the 13th longest main span in the world, as well
Niagara Falls Suspension Bridge was further stiffened by guy-wires which ran from its upper deck to the top of its towers. Criticism of suspension bridges was growing after the Wheeling Suspension Bridge collapsed under strong winds in 1854. To address these concerns, Roebling added more guy-wires to secure the lower deck to the shores below. Roebling's efforts ensured that his Suspension Bridge remained standing while other suspension bridges across the Niagara River collapsed because of strong winds. Although he was not the first engineer to appreciate the need for a suspension bridge to be sufficiently rigid or to implement the methods to do so,