Sunday 1 April 2012

Verrazano-Narrows Bridge construction detail and video

Verrazano-Narrows Bridge

Carries 12 lanes (six lanes upper and six lanes lower) of I-278 Crosses The Narrows

Locale New York City (Staten Island–Brooklyn) Maintained by MTA Bridges & Tunnels

Design Double-decked Suspension bridge Longest span 4,260 feet (1,298 m)

Vertical clearance 15 feet (4.57 m) (upper level) 14.4 feet (4.39 m) (lower level) Clearance below 228 feet (69.5 m) at mean high water [1]

Opened November 21, 1964 (upper level) June 28, 1969 (lower level)

Toll

(Westbound Only, as of 30 December 2010) Cars $13.00; $9.60 with an E-ZPass from a New York State issuing authority (for Staten Island residents: E-ZPass $5.76; Car Pool (Pre-paid Ticket) $2.68); Trucks $17.32 + $11.04/Axle over two with an E-ZPass from a New York State issuing authority, $26.00 Cash + $16/Axle over two. Non-NYS issued E-ZPass pays cash rate. [2]

Daily traffic 189,962 (2008) [3]

Coordinates 40°36′23″N 74°02′44″W

The Verrazano-Narrows Bridge is a double-decked suspension bridge that connects the boroughs of Staten Island and Brooklyn in New York City at the Narrows, the reach connecting the relatively protected upper bay with the larger lower bay.

The bridge is named for both the Italian explorer Giovanni da Verrazzano, the first known European navigator in the service of the French crown to enter New York Harbor and the Hudson River, and for the body of water it spans: the Narrows. It has a center span of 4,260 feet (1,298 m) and was the longest suspension bridge in the world at the time of its completion in 1964, until it was surpassed by the Humber Bridge in the United Kingdom in 1981. It now has the eighth longest center span in the world, and its massive towers can be seen throughout a good part of the New York metropolitan area, including from spots in all five boroughs of New York City. The bridge is also easily seen from points in New Jersey including a great viewpoint from the Laurence Harbor section of Old Bridge Township.

The bridge furnishes a critical link in the local and regional highway system. Since 1976, it has been the

starting point of the New York City Marathon. [4] The bridge marks the gateway to New York Harbor; all cruise ships and most container ships arrivingat the Port of New York and New Jersey must pass underneath the bridge and thus must be built to accommodate the clearance under the bridge. This is most notable in the case of the ocean liner RMS Queen Mary 2.

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The bridge is owned by New York City and operated by MTA Bridges & Tunnels, an affiliate agency of the Metropolitan Transportation Authority. Interstate 278 passes over the bridge, connecting the Staten Island Expressway with the Gowanus Expressway and the Belt Parkway. The Verrazano, along with the other three major Staten Island bridges, created a new way for commuters and travelers to reach Brooklyn, Long Island, and Manhattan by carfrom New Jersey.

The bridge was the last great public works project in New York City overseen by Robert Moses, the New York State Parks Commissioner and head of the Triborough Bridge and Tunnel Authority, who had long desired the bridge as a means of completing the expressway system which was itself largely the result of his efforts. The bridge was also the last project designed by Chief Engineer Othmar Ammann, who had also designed most of the other major crossings of New York City, including the George Washington Bridge, the Bayonne Bridge, the Bronx Whitestone Bridge, the Robert F. Kennedy Bridge, and the Throgs Neck Bridge. The plans to build the bridge caused considerable controversy in the neighborhood of Bay Ridge, because many families had settled in homes in the area where the bridge now stands and were forced to relocate.

Verrazano Bridge tower and cables without risers or road bed

Construction on the bridge began August 13, 1959, and the upper deck was opened on November 21,

1964 at a cost of $320 million. [5][6] New York City Mayor Robert F. Wagner cut the ribbon at the opening ceremony, which was attended by over 5,000 people. He was the first person to be driven over the bridge, by Carey Cadillac driver Allbert

Wright [7] The lower deck opened on June 28,

1969. [8] The bridge took over the title of the longest suspension bridge in the world (previously held by the Golden Gate Bridge) from 1964 until 1981, when it was eclipsed by the Humber Bridge in England.

Fort Lafayette was an island coastal fortification in New York Harbor, built next to Fort Hamilton at the southern tip of what is now Bay Ridge. It was destroyed as part of the bridge's construction in 1960; the Brooklyn-side bridge pillars now occupy the fort's former foundation.

According to the United States Department of Transportation:

Each of the two towers contains 1,000,000 bolts and 3,000,000 rivets. The diameter of each of the four suspension cables is 36 inches (914 mm). Each cable is composed of 26,108 wires amounting to a total of 143,000 miles (230,136 km) in length Because of the height of the towers (693 ft/211 m) and their distance apart (4,260 ft/1,298 m), the curvature of the Earth's surface had to be taken into account when designing

the bridge—the towers are 1 5 ⁄ 8 inches (41.275 mm) farther apart at their tops than

at their bases. [9]

Because of thermal expansion of the steel cables, the bridge roadway is 12 feet (3.66 m)

lower in summer than in winter. [10]

Queen Mary 2 RADAR mast clearance.

The bridge is affected by weather more than any other bridge in the city because of its size and isolated location close to the open ocean. It is occasionally closed (either partially or entirely) during strong wind and snow storms.

The RMS Queen Mary 2 was designed with a flatter funnel to pass under the bridge, and has 13 feet (3.96 m) of clearance under the bridge during high

tide. [11]

The bridge has fostered more traffic on the Outerbridge Crossing and the Goethals Bridge, both of which connect Staten Island with New Jersey.

In 2009, all 262 of the mercury vapor fixtures in the bridge's necklace lighting were replaced with energy

efficient light-emitting diodes. [12]

Naming controversy

The naming of the bridge for Verrazzano was controversial. It was first proposed in 1951 by the Italian Historical Society of America, when the bridge was in the planning stage. After Moses turned down the initial proposal, the society undertooka public relations campaign to re-establish the reputation of the largely forgotten Verrazzano and to promote the idea of naming the bridge for him. The campaign was largely the effort of Society director John N. LaCorte, who in 1954 successfully lobbied New York Governor W. Averell Harriman to proclaim April 17 (the anniversary of Verrazano's arrival in the harbor) as Verrazano Day. Subsequent efforts by LaCorte resulted in similar proclamations by governors of states along the East Coast. After these successes, LaCorte reapproached the Triborough Bridge and Tunnel Authority, but was turned down a second time. The manager of the authority, backed by Moses, said the name was too

long and that he had never heard of Verrazzano. [13]

The society later succeeded in lobbying to get a bill introduced in the New York State Assembly that would name the bridge for the explorer. After the introduction of the bill, the Staten Island Chamber of Commerce joined the society in promoting the name. The bill was signed into law in 1960 by

Governor Nelson Rockefeller. [14] Although the controversy seemed settled, the naming issue rose again in the last year of construction after the assassination of President John F. Kennedy. A petition to name the bridge for Kennedy received thousands of signatures. In response, LaCorte contacted United States Attorney General Robert Kennedy, the president's brother, who told LaCorte that he would make sure the bridge would not be named for his brother (Idlewild Airport, New York's major international airport, was renamed after

Kennedy instead). [13]

Even so, the official name was widely ignored by local news outlets at the time of the dedication. Some radio announcers and newspapers omitted any reference to Verrazano, referring to the bridge as the Narrows Bridge, or the Brooklyn-Staten Island Bridge. The society continued its lobbying efforts to promote the name in the following years until the name became firmly established. Today, it

is often referred to as just "the Verrazano." [13]

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Coast Guard on anti-terrorism patrol in Upper New York Bay. Verrazano-Narrows Bridge in distance spanning The Narrows between Brooklyn (left) and Staten Island (right).

In 2008, about 190,000 vehicles used the bridge per

day on average. [3]

As of December 2011, the one-way toll (paid westbound into Staten Island only) in cash is $13 per car or $5.50 per motorcycle. E-ZPass users with transponders issued by the New York E-ZPass Customer Service Center pay $9.60 per car or $4.18 per motorcycle; a five-axle truck pays $70, or$47.26 with NY E-ZPass. Holders of transponders issued

elsewhere get no discount. [15]

From 1964 to 1986, the toll was collected in both

directions [16] until Staten Island residents concerned about pollution from idling vehicles called for one way tolls. However, as of 2011 some of the eastbound toll booths are still in place, requiring drivers to slow down. While the high cost of the toll between Brooklyn and Staten Island has

always been an issue for residents, some [who?] favor the toll because they see it as a way to curb population growth on Staten Island. Each of the four bridges to the Island is tolled.

In 2010, eight of the unused Brooklyn-bound toll booths were removed in the first phase of a project to improve traffic flow at the toll plaza; the remaining three Brooklyn-bound toll booths will be subsequently removed during the second phase of

the construction project. [17]

As the bridge was not built with a pedestrian walkway, non-motorized transportation is limited to using bridge during special events such as the New

York City Marathon and Five Boro Bike Tour. [18]

Recently, residents living on both ends of the bridge have lobbied for pedestrian access. In October 2003, Mayor Michael Bloomberg promised to look into establishing the long-awaited pedestrian and bicycle

access. [19]

The bridge has been called New York's "most

dangerous bridge." [20]

Signs at both ends of the bridge forbid photography and video taping; however, it is not certain if the signs are intended to stop people from stopping on the bridge or ban photography and videography even from moving cars

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