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About the Port Authority  
 
 

 

Historical Photos

The George Washington Bridge stands high above the Hudson River, its eastern end resting on the shores of Manhattan, its western end embedded in the wooded bluffs of New Jersey's Palisades. Twice as long as the longest suspension bridge ever built, it was the marvel of its time and, to some, it will always be the noblest of all bridges. Spanning the river to link New York City and New Jersey had challenged planners for over 100 years before Othmar Ammann, the brilliant, Swiss-born architect and engineer, proposed a bridge design in 1923 that ultimately was chosen from all others. The Port Authority, with Ammann as its new chief engineer, began construction in October of 1927. Ammann's design, bold and foresighted, was an engineering tour de force, with an extraordinary 3,500-foot center span suspended between two 570' steel towers. It would have the capacity and strength to add a railroad or a second roadway with an additional six lanes.
 
   
Groundbreaking Begins - 1927

Ground breaking ceremonies took place in Fort Lee, New Jersey -September 21, 1927.

The Beginnings of Construction

The view of the Palisades from Riverside Drive in 1928, would be dramatically altered in just three years.


Suspending the Bridge

Wire ropes, nearly a mile in length, are towed across the Hudson River. They will be raised to the top of each tower and support the catwalk scaffolds for cable construction. The flooring and bracing complete the scaffolds, making a continuous catwalk from shore to shore. The four main cables are composed of parallel wires carried back and forth across the river, each containing 61 strands of 434 individual wires. Each strand wraps around a strand shoe in the anchorage. Each shoe connects to an eyebar which penetrates into the anchorage and holds the strand in place.

   

Building the Roadway
Once the towers were in place, the four main cables, each a yard in diameter, were ready to sustain the roadway. With steel suspenders hanging from the main cables, the bridgemen at last built the road itself, foot by foot, out from the shores.

Anchoring the Structure

The New York anchorage consists of 110,000 cubic yards of concrete. The massive concrete block, weighing 260,000 tons, anchors the main cables on the New York end. From the top of the New York Tower, the view is of Washington Heights. 200,000 cubic yards of solid rock had to be excavated for the New Jersey anchorage of the bridge.


Preparing for Travelers

Its two great towers - 43,000 tons of steel rising over the New York and New Jersey banks of the Hudson River, would top out at 600 feet, capable of bearing all the traffic its sweeping system of approaches could bring. These tower piers, nearly completed, will serve as the foundations for the two legs of the 600 ft. tall tower.


Opening to the Public

The George Washington Bridge was first opened to traffic in 1931. During the first full year of operation in 1932 more than 5.5 million vehicles used the original six-lane roadway. As traffic demand increased, additional construction became necessary. The two center lanes of the bridge which had been left unpaved in the original construction were opened to traffic in 1946 increasing capacity of the bridge by one-third. The six lanes of the lower roadway were built into the bridge by 1962.