I was curious about what the stats were on the Verrazano Narrows Bridge, so
I looked it up. :) According to the MTA website it's the second longest
suspension bridge in the world. I was surprised that they had to construct
it to take the curvature of the Earth into account when building it.
Jon
The Cannons Are Still Pointed At The Belt Parkway In Fort Hamilton Maru
GSV Explanation Upon Request
http://www.mta.nyc.ny.us/bandt/html/veraz.htm
Verrazano Narrows Bridge
When it opened in 1964, the Verrazano Narrows Bridge was the world's longest
suspension span. Today, its length is surpassed only by the Humber Bridge in
England. The ends of the bridge are at historic Fort Hamilton in Brooklyn
and Fort Wadsworth in Staten Island, both of which guarded New York Harbor
at the Narrows for over a century. The bridge was named after Giovanni da
Verrazano, who, in 1524, was the first European explorer to sail into New
York Harbor.
Its monumental 693 foot high towers are 1 5/8 inches farther apart at their
tops than at their bases because the 4,260 foot distance between them made
it necessary to compensate for the earth's curvature. Each tower weighs
27,000 tons and is held together with three million rivets and one million
bolts. Seasonal contractions and expansions of the steel cables cause the
double-decked roadway to be 12 feet lower in the summer than in the winter.
Located at the mouth of upper New York Bay, the bridge not only connects
Brooklyn with Staten Island but is also a major link in the interstate
highway system, providing the shortest route between the middle Atlantic
states and Long Island.
In Brooklyn, the bridge connects to the Belt Parkway and the Brooklyn-Queens
Expressway and to the largely residential community of Bay Ridge. On Staten
Island, which saw rapid development after the bridge opened in 1964, it
joins the Staten Island Expressway, providing access to the many communities
in this most rural of the city's five boroughs.
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