The utility model discloses a full interchange bridge, including being located the north -south arterial highway of downside and being located the thing arterial highway of upside, east, west, south,four crossings in the north have altogether, be connected with the right ring road in north orientation east, east orientation south ring road, west northerliness ring road, the south orientation westring road of turning right of turning right of turning right between four crossings, erect north orientation south ring road, south orientation north ring road, east orientation west ring road, the west ring road that turns around that turns around that turns around that turns around again respectively eastwards at four crossings in the four corners of the world. The utility model discloses simple structure, the construction degree of difficulty is low, the construction cost is low, the vehicle on it current efficient, the energy consumption low, the security is high, realizes the full intercommunication of crossroad and do not have traffic lights and pass through, each other noninterference of the vehicle that all directions were travel does not have any form obstacle, need not to wait for that it is unobstructed, swift to drive a vehicle, solution traffic jams problem that can be fine.