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  • Poplar Street Roundabout
    Highland, Illinois
    The City of Highland decided to widen and improve this 0.9-mile section of the primary north-south route through the City. The pavement had deteriorated and…
    Explore Project
  • Community Park
    Wildwood, Missouri
    The City of Wildwood is a community with a commitment to preserving the unique character of western St. Louis County and creating a livable, sustainable…
    Explore Project
  • IL 13 over Big Muddy River Bridge
    Jackson County, Illinois
    The structures carrying Illinois 13 over the Big Muddy River were experiencing deep settlement issues.  The structure carrying eastbound traffic was constructed in 1954, while the structure…
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  • Sidewalk Inventory + ADA Transition Plan
    St. Charles, Missouri
    The City of St. Charles is located along the banks of the Missouri River, with over 400 miles of sidewalks covering 20 square miles of…
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  • Veterans Honor Parkway
    Highland, Illinois
    Veterans Honor Parkway is more than a roadway.  It is a tribute to Highland veterans who tragically lost their lives while serving their nation.  Banners are positioned…
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  • Stratton Quadrangle Permeable Pavers
    Edwardsville, Illinois
    At the center of the campus of Southern Illinois University Edwardsville is the Stratton Quadrangle, better known as the Quad. It is the main gathering…
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  • Main Street Streetscape
    Collinsville, Illinois
    For decades, the City of Collinsville dealt with deteriorating infrastructure, vacant buildings, and a lack of foot traffic in their downtown business district. In 1997,…
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News

October 2, 2023
Oates Associates Becomes 100% Employee Owned through ESOP
September 26, 2023
Dan Lutz Appointed to the Illinois Structural Engineering Board
September 6, 2023
Andy Mueller Earns Professional Land Surveying License
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Connecting People with Places

We design spaces that you experience every day. From highway overpasses to athletic fields, we solve problems and create constructible and environmentally conscious solutions that focus on the community.

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Why Choose Us?

From transportation to building infrastructure, Oates Associates has you covered. Our professionals are experts in their field, and are immersed in every project they take on, no matter the size. We build trusted partnerships based on integrity and responsiveness. Let us show you what we can do for you.

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Transportation
Site Development
Bridge Structural
Building Structural
Water Resources
Planning
ADA Transition Planning
Surveying & Drone Operations
Construction Administration
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