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A typical urban bridge, in comparison to a highway bridge, also serves pedestrian traffic and therefore must satisfy additional safety and comfort conditions. There are four main functions of an urban bridge:
A typical urban bridge, in comparison to a highway bridge, also serves pedestrian traffic and therefore must satisfy additional safety and comfort conditions. There are four main functions of an urban bridge:
1) Transport link between separated Urban, Suburban, or Rural areas;
2) Creation of an attractive exterior
3) Demonstration of modern technical capabilities
4) Construction of user-friendly structure.
Apart from this, a bridge may also have a metaphoric connotation. It is a structure which links two different or distant groups or communities from each other. There are also examples of bridges which, as a result of being located on cultural or ethnic borders, have often served as a role of a symbolic link
Famous Bridges of NYC
Famous Bridges of NYC
In addition to video - READ THIS : The Manhattan tower of the Brooklyn Bridge did not reach bedrock during construction because the bedrock was deeper than expected, and it was not economically feasible to excavate to that depth.
When construction on the Brooklyn Bridge began in 1869, engineers assumed that the bedrock beneath the East River was relatively close to the surface. However, as workers began drilling the foundation for the Manhattan tower, they discovered that the bedrock was much deeper than anticipated.
To reach the bedrock, workers would have had to excavate down to a depth of around 78 feet (24 meters), which would have been an expensive and time-consuming process. Instead, the builders opted to construct a "caisson," which is a large, watertight box made of timber and iron that was designed to sink to the river bottom and then be filled with concrete.
The caisson was sunk to a depth of around 44 feet (13 meters), which was still below the riverbed, but above the level of the soft, muddy sediment that covers much of the river bottom. The caisson was then filled with concrete, creating a solid foundation for the tower.
Despite the fact that the Manhattan tower did not reach bedrock, the bridge has proven to be an engineering marvel and a testament to the ingenuity and skill of its builders. Today, it remains an iconic symbol of New York City and a popular destination for tourists and locals alike
It can be noted that almost all major metropolitan areas are often separated in some way by a water obstacle of a certain size. It should however be remembered that even though nowadays these cities are developed on both sides of the divide, the initial settlement would have started on one side only. Construction of the bridge across the river would have opened new areas for further development and settlement.
It can be noted that almost all major metropolitan areas are often separated in some way by a water obstacle of a certain size. It should however be remembered that even though nowadays these cities are developed on both sides of the divide, the initial settlement would have started on one side only. Construction of the bridge across the river would have opened new areas for further development and settlement.
Smooth and orderly functioning of growing urban municipalities necessitated the construction of new bridges and associated thoroughfares, which often determined the entire urban layout of the city. Such was the story of the development in many cities around the world.
Smooth and orderly functioning of growing urban municipalities necessitated the construction of new bridges and associated thoroughfares, which often determined the entire urban layout of the city. Such was the story of the development in many cities around the world.
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