The history of the bridge is long enough with the natural communication and communication history of people and people. The types and materials used vary over time and from technological advances to very simple modern architecture. Bridges are buildings with rivers, roads, waterways, and valleys to connect two stretched sides to allow people and vehicles to cross.
Bridges generally have superstructures, substructures, and foundations. The upper building carries a load of vehicular traffic moving on it. The load is connected to the bridge head, which must also be supported by pedestal. In some cases, it is necessary to have a column that supports the load between the legs / head because of its length. The structure of the bridge consists of superstructure, infrastructure and foundation. The selection of the type and size of the bridge structure is influenced in many ways.
The bridge structure can work well for a particular location if it meets the following requirements:
Strength and structural stability
There are several things to consider when planning a bridge in terms of traffic such as:
