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Water & Wastewater Engineering

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Civil Site Design

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Architecture

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Land Surveying

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Projects

Architecture

The Willett, Hofmann & Associates, Inc. Architectural Department is qualified to provide a wide range…

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Civil Site Design

Willett, Hofmann & Associates, Inc. Civil Site Engineering staff are experienced in and capable of…

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Land Surveying

The Willett, Hofmann & Associates, Inc. Land Surveying Department provides ALTA/ACSM surveys, boundary and property…

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Structural Engineering

With four licensed Structural Engineers on staff, and the support of an experienced technical staff,…

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Transportation Engineering

The Willett, Hofmann & Associates, Inc. Transportation Department provides engineering services for design, construction and…

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Water & Wastewater Engineering

Today’s increasing drinking water and water quality standards require investment in education and technology and…

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Recent News

A big WHA welcome to our newest employee, Jessica Ellefson. Jessica graduated from NIU this spring with a bachelor’s degree in human resource management and is our new HR assistant. She’s a newlywed who enjoys relaxing, traveling, and decorating her new home. Her favorite fruit is strawberries and she’s enjoying learning to cook. #WHA85 ... See MoreSee Less

17 hours ago  ·  

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WHA provided engineering services for Civil Constructors on a design-build bridge at Archer Daniels Midland’s (ADM) flour mill in Mendota, IL. The bridge’s 65-foot single-span deck beams were designed on concrete abutments supported with H-pile and Mechanically Stabilized Earth (MSE) walls. This bridge serves ADM’s high capacity facility, the third largest mill of its kind in North America, to help them meet a rising demand for flour throughout the Midwest and will have the ability to mill over 3 million pounds daily. The bridge project was completed in August 2018. #WHA85 ... See MoreSee Less

4 days ago  ·  

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