There are many classifications of the steel bridges according to different characteristics. There are bridges depending of the kind of traffic carried, the kind of main structural system,and the position of the carriage way subjective to the main structural system. According to the traffic they carry on, there can be found: Road bridges or Highway bridges, Railway or rail bridges, Road cum rail bridges (facilitating both rail and road way).  
There are also characterizations based on the span, carriageway width and assortments of traffic. There are different types of loads also important to the steel bridges. Read more about every type in the link bellow.

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