Abstract: An airbridge having an extendable passageway terminating in a cabin assembly incorporates an elevating support structure provided by a single vertical elevator leg which supports both the cabin assembly and the adjacent end of the passageway. The airbridge has a single elevator leg which preferably projects through the cabin assembly between the floor and the top of the cabin, with the cabin assembly offset partially to one side of the longitudinal axis of the passageway to provide a path which permits traversal of passengers through the cabin assembly on one side of the elevator leg.