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Region: Michigan

  • Design Build Bridge Replacement 9 Mile Road Over I-75 Design Build

    After a tanker truck fire caused the catastrophic collapse of the I-75 overpass at Nine Mile Road in Hazel Park, Michigan, our firm played a crucial role in its rapid reconstruction. Selected as lead bridge designer for the MDOT Design-Build project in October 2009, we assisted the Contractor team to deliver this emergency response project….

  • I-75 University Drive DDI

    Our firm designed Michigan’s first Diverging Diamond Interchange (DDI), a landmark structure spanning I-75 in Auburn Hills. The innovative two-span bridge features prestressed concrete bulb-tee girders supported by integral abutments behind MSE walls and a cap-and-column pier in the median. As part of an advanced Design-Build project, the team proposed an Alternative Technical Concept that…

  • Allen Creek Berm Opening/Feasibility Study & Design

    Located at the mouth of Allen Creek near the Ann Arbor Amtrak Station, this project addressed severe flooding caused by a railroad berm along the Michigan Line. The berm’s perpendicular alignment to the creek created floodplain depths up to 10 feet during major storms. Since MDOT owns and Amtrak operates the line, uninterrupted rail service…

  • US-127 Reconstruction from I-96 to I-496

    Our team is creating construction documents for three project phases to improve traffic flow along a critical 3.6-mile stretch of I-496 and US-127, extending from I-96 to the I-496/US-127/Trowbridge Road interchange. The project explores innovative congestion management strategies like Part-Time Shoulder Use (PTSU), dynamic lane use, variable speed limits, ramp metering, and permanent lanes—all aimed…

  • Great Lakes Central Railroad over Manistee River

    The existing 100+ year-old bridge carrying the Great Lakes Central Railroad (GLC RR) over the Manistee River in Manton, MI, is slated for replacement due to significant structural deterioration. The current structure, which includes a main span steel truss over the river and several deteriorated timber bent spans on steep, unstable slopes, is under a…

  • Michigan

    Michigan’s growth is shaped by its manufacturing legacy, major urban centers, and waterfront communities. Delivering successful projects requires infrastructure solutions that support industry while strengthening regional connectivity. A Partnership You Can Rely On Colliers Engineering & Design is a trusted provider of multi-discipline engineering and architecture, design and consulting services to public and private sector…

  • Colliers Engineering & Design Adds Leading Architecture Firm

    Colliers Engineering & Design has completed its previously announced acquisition of Phase Zero Design Corporation.

  • Rick Chelotti, PE, Elected President to Michigan American Council of Engineering Companies

    Lansing, MI – Colliers Engineering & Design, a leading multi-discipline engineering and  architecture, consulting and design firm, is pleased to announce that Rick Chelotti, PE, Senior Principal and Infrastructure Division Director has been elected to serve as President of the Michigan Chapter of the American Council of Engineering Companies (ACEC/Michigan). “Rick has been a champion…

  • Colliers Engineering & Design Completes the Rebrand of Bergmann

    Colliers Engineering & Design has completed the rebranding of Bergmann, a national architecture, engineering and planning firm, headquartered in Rochester, NY.

  • Rogvoy Joins Colliers Engineering & Design

    Colliers Engineering & Design has acquired Rogvoy Architects, PC, a full-service architectural firm serving the state of Michigan.