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Bridges and Tunnels

A bridge is a link between two places, such as over a river, a road or a depression, that caters to pedestrians and/or vehicles. A tunnel is an underground link between two places, often underneath a riverbed, for pedestrians and/or vehicles.

4,393 Questions

Why would you use a bridge instead of a switch?

To keep enemies in a little open so you can have the advantage and maybe win the war or battle

How much does the Walt Whitman bridge make a day?

approx $1.5 million. we got that figure by taking the 200000 cars that cross that bridge daily and multiply it by $7.5 and that because staten island residents pay less so on average more or less its 1.5 million where is that money going????

Explain the purpose of an expansion joint on a bridge?

The purpose of an expansion joint on a bridge it to permit the components to expand and contract with changing temperatures without stressing the entire bridge structure. Early bridge failure would be the result of building a modern bridge without expansion joints.

Where is the highest suspension bridge in US?

Good guess the the silver bridge next to the golden gate the bridge it's called the bay bridge I think :/

What kind of shapes are used in Truss bridges?

The geometric shape used in truss bridges is the triangle.

What is the oldest bridge in New York?

According to Wikipedia, the oldest bridge in New York State is the Hyde Hall Covered Bridge (1823). It's also recognized as the oldest covered bridge in the USA, although some folks in Vermont might contest that.

The oldest bridge in New York City is the High Bridge, officially named the "Aqueduct Bridge", connecting Manhattan and the Bronx, build in 1848 as part of the Croton Aqueduct.

What is the longest suspension bridge called?

The longest non-suspension bridge is the Danyang-Kunshan Grand Bridge at 164.8 km long. The longest non-suspension bridge over water is the Lake Pontchartrain Causeway at 38.35 km long. The longest non-suspension bridge span is the Russky Bridge at 1.104 km long.

What is the third longest suspension bridge in the world?

The Akashi Kaikyo Bridge in Japan, which was completed in 1998, contains the world's longest suspension span (distance between support towers)-6,529 ft (1,991 m); the entire bridge, including the portions between the towers and the shores, totals nearly 2.5 mi (4 km).

What is a bridge wing on a ship?

The place beside the bridge that usually extends outside.

To get a clearer view when navigating or maneuvering the captain might go onto the wing.

What is the migration across land bridges?

it is used to make sure people do not bring guns and dangerous weapons across and not onnly that but its easier just to go through the bridge and stuff

What is the longest spanned bridge in the world?

Arguably the longest bridge is the Bang Na Expressway, in Bangkok, Thailand. It is 33.5 miles long (54 km), but is not considered a bridge by some because it does not cross a single body of water, instead crossing a river and canals. The longest bridge running over a single body of water in the world is now the Jiaozhou Bay Bridge in China. 42km in length, it links China's eastern port city of Qingdao to the island of Huangdao. The bridge cost over $1.4 billion to build and was completed in mid-2011.

What is an disadvantage of a suspension bridge?

It is capable of supporting the load across a long span between the support towers.

Why is the Sydney harbour bridge called Sydney harbour bridge?

Arch bridges are one of the world's most ancient bridge forms. The arch gives the bridge its essential strength. Between the engineer of the Sydney Harbour bridge, Ralph Freeman, and the designer, JCC Bradfield, this was seen as the best option for the purpose.

Freeman felt that since the purpose of the bridge was to cross a wide harbour which often saw some fairly wild weather, the arch shape would be the most stable.

Originally, the bridge's designer, JCC Bradfield, proposed a suspension bridge, then a cantilever bridge, which was the first proposal accepted. After that, Bradfield turned his sights towards an arch bridge, after travelling overseas and seeing the developments in light steel which made a steel arch bridge such a possibility.

How many bridges are there in Brooklyn New York?

There are a total of 2,000 bridges and tunnels in New York City alone. In the Bronx there are five bridges - Pelham Bridge, Hutchinson River Parkway Bridge, Unionport Bridge, Eastern Boulevard Bridge, and City Island Bridge.

Can you change lanes on a bridge?

The Westgate Bridge in Melbourne currently has solid painted lines, which in Australia mean strictly no lane changing. It's the same on almost all multi-lane bridges over water throughout the country. However it is confusing as the lines are interrupted by reflective bumps which are not continuous. But it still does count as a solid line.

Not many people pay attention to this rule though!

What did the severn bridge cost to build?

It was built from 1992 and opened in June 1996 .

How many workers died in the construction of the Walt Whitman bridge?

It's said that only 3 people died during the construction of the Verrazano