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
Simple suspension bridge intervals to the bridge deck below (see suspension bridge curve). The differences between these two curves was a question of importance in the 17th century, worked on by Isaac Newton among others. A stressed ribbon bridge also has one or more catenary curves and a deck laid on the main cables. Unlike a simple suspension bridge however, a stressed ribbon bridge has a stiff deck, usually due to the addition of compression elements (concrete slabs) laid over the main cables. This stiffness allows the bridge to be much heavier, wider, and more stable. The simple suspension bridge is the oldest