Fast Company's got a nice post about the recent revival the of the mixed-use bridge as a popular building type, beginning with the High Line, a new paradigm of urban planning by Diller Scofidio + Renfro and James Corner Field Operations.

Pictured above are a few of our favorites, including a bridge house by Max Pritchard, which takes advantage of the empty space above a ravine in Adelaide, Australia. The simplicity of the bridge format allowed the house to be built completely from pre-fab materials, costing only $190,000 to construct.

Exploring a similar concept on a much grander scale, Aristide Antonas' Bridge from Recycled Grids is made completely of materials recycled from city equipment on a modular frame, so (in addition to housing a big city market) the entire structure can be disassembled and moved.

Read the whole post here.