Marquette Interchange The Marquette Interchange, originally completed in 1968, is a vital connector for southeast
Wisconsin and the entire State. The new interchange, to be completed in 2008 at a cost of over $800 million dollars will replace the existing, aging structures, reduce crash rates, relieve congestion, carry over 300,000 vehicles per day and be a transportation workhorse for economic development statewide.
Services provided by Sigma include:
Marquette Interchange, West Clybourn Street Sigma provided construction management/engineering services on this $8.9 million project. West Clybourn Street was the first contract of the overall Marquette Interchange reconstruction protect and included concrete pavement, asphaltic surface, curb and gutter, sidewalk, utilities, extensive traffic control, retaining walls, and signing and lighting. The structures consist of the 16th Street Viaduct reconstruction, the Tory Hill Bridge and one temporary support structure.
Marquette Interchange, West Leg Sigma provided construction management/ engineering services on this $31 million project. Sigma was the lead bridge construction engineer for five temporary structures including four multiple span pre-cast concrete girder structures and a two-span steel girder bridge with a timber superstructure and asphaltic riding surface. Sigma was also assistant bridge construction engineer on the six-span steel tube/box girder northwest connector ramp bridge on this project.
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