The American Institute of Steel Construction or AISC is a non-profit trade association founded in 1921. Its purpose is to promote the use of fabricated structural steel.
One of the many activities of the AISC is a prize bridge award program. The objective of this award program is to recognize steel bridges that exhibit innovation, aesthetics, and cost effectiveness in their engineering and design. These awards are considered significant achievements for a bridge. Bridges in this group that have been awarded plaques by the AISC are: