This is a great structure bridge . It is trussed arch bridge . It is made of concrete and steel . The Bridge is curved and is strong reverse curve made of concrete . There are trusses under it to support the deflection . The main purpose is to support the bridge in two points , the point of reflection . there is support and , the point of touching and meeting in the middle mirror line of the Bridge . The main usefulness is that we have not to move the bridge and anything can not touch the height . We have to put strong trusses for these project .

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