Steel Connecting Corridors — Skybridges Between Two Buildings Fixed at one end · Sliding at the other · Q355B box or H girders · Glazed or panel A steel connecting corridor looks like a small building on legs. It is not. A building sits on its own foundation and moves on its own; a corridor is tied to two buildings that settle differently, expand differently and sway differently. The span is the easy part. The bearings are the design. Two Buildings, Three Movements Whatever a