Can open up bridge

The utility model provides a can open up bridge, the bridge can be folded or extend, including decking, hinge, foot pier, tensioning component, bracing piece, locking couple. Connecting to form with the hinge between the decking and cutting the fork structure, cut and be the arch after the fork structure is expanded, foot pier is equipped with at the bridge both ends for contact with ground. The upper end hinge department that is located the decking of bridge both ends face has set up the locking couple, and the hinge of the adjacent decking of vertical direction, implementation structure locking can be connected to this locking couple after the bridge expandes. The foot pier at tensioning structrual joint both ends and on bridge bracing piece for the domes of pontic are more stable, and bearing capacity is stronger. The utility model provides an it is little that can open up bridge has the dead weight, and stability is high, the maintenance of being convenient for, easy advantage suchas realization, effectiv