Abstract
The composite structure bridge, born for reducing the cost, has some advantages, construction, earthguake-resistant, and so on. The purpose of this research is to find a new design in this bridge by trying new technology, which is a system of hybrid girder. First, we checked an existence of bridge in case of using a new technology. Secondly, we proved a predominance of the proposing bridge by comparison between proposing bridge and existing bridge. Finally, we examined problems of realization from different angles.
