There are a huge variety of reasons why bridges collapse, it is dependent on the bridge type, construction material and location. Some of the major reasons are; earthquake, boat impact, flooding, construction accidents, manufacturing defect, design faults or lack of maintenance.
Tornadoes have caused bridges to collapse on a number of occasions. In some cases pieces of bridges have been carried away by tornadoes.
i think its because the wind is blowing to hard.
You should place a more solid structures to it to prevent it from shaking. This way it wont collapse.
The main reason was to unite China.
some bridges are used to get to the other side of something
A bridge has three things to complete the foundation to keep it from collapsing. They are called spread footings, caissons and piles. It also has the deck itself. +++ All these components are also very carefully designed to withstand the various stresses that they will bear in service.
There could be a couple of reasons depending on what weight you are asking about. Some bridges use a counterweight mechanism to raise a section to allow boats under to pass. Some bridges might have a weight under the bridge to tune the frequency response of the bridge in a seismic or wind event.
Racism and xenophobia qualify as the main reasons for such behavior.
One of the main causes were slaves. There were some other minor reasons
Yes, you can. -All of us have some information on bridges, some more than others.
Some of the main reasons people left for Oregon on the Oregon Trail was for free land and a start of a better life.
One of the main causes were slaves. There were some other minor reasons