Forecasting is the process of making predictions of the future based on past and present data and analysis of trends. A commonplace example might be estimation of some variable of interest at some specified future date.Prediction is a similar, but more general term.ualitative forecasting techniques are subjective, based on the opinion and judgment of consumers, experts; they are appropriate when past data are not available. They are usually applied to intermediate-or long-range decisions.
That is a very large bridge however the highest interstate bridge in the United States is the Glade Creek bridge. This 2,179-foot (664 m) long deck truss bridge[3] towers 660 feet (200 m) above the creek bed, making it the highest Interstate bridge in the United States.
The world's highest bridge opened to traffic in China, connecting two southwestern provinces and reducing travel time in the region by three quarters. The 4400-foot-long Beipanjiang bridge has a height equivalent to a 200-story building, which makes it the world's highest bridge down to the ground or water surface.