Author archive for Quigg Engineering Inc.

  • Cedar Street Bridge over IL River - District 4

    Cedar Street Bridge, IDOT District 4

    QEI planned and designed the rehabilitation of the truss bridge over the Illinois River. Planning tasks included the preparation of…

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  • Tied-Arch Illinois River Bridge, IDOT District 6

    QEI provided an Assistant Resident Engineer who conducted construction inspection, layout, testing, and documentation of the new tied-arch Illinois River…

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  • MLB

    I-294 (Tri-State Tollway) Mile Long Bridge Reconstruction, Illinois Tollway

    QEI was a Joint Venture Partner that planned and designed a $360M replacement of the 4,940-foot long, 54-span, dual Tollway…

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  • US 52 SAVANNA/SABULA TIED ARCH BRIDGE, IDOT DISTRICT 2

    US 52 Savanna/Sabula Tied Arch Bridge, IDOT District 2

    QEI provided an inspector and materials documentation on this $80 million tied arch bridge connecting Savanna, Illinois, and Sabula, Iowa.…

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  • I-74 Mississippi River Crossing

    I-74 Mississippi River Crossing, IowaDOT District 6

    QEI performed the construction inspection, testing, and documentation of earthwork, aggregates, pipes, concrete, asphalt, and steel materials incorporated into the…

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  • Fantasy of Flight

    Fantasy of Flight

    The work included the zoning of the 203+ acre site to allow the aircraft museum to have an operational runway. …

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