The new Damen Avenue Bridge in Chicago Ill is an innovative, elegant functional design which employs two massive steel ribs as the main structural elements.

"Bridging Substance with Style" , Civil Engineering: February 1999, vol 69 number 3, p41. 

A bridge designer is using a new application for fabricating tubular members to form the circular arches of a replacement span over the Chicago River..

"Span Sports Steel pipe Arches", Engineering News-Record Sept 28, 1998

AISC & NSBA
2000 Prize Bridge Competition
Prize Bridge Award
Medium Span Category
Damen Avenue Arch Bridge, Chicago

In recognition of outstanding design in structural steel