Willett Hofmann & Associates

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Willett Hofmann & Associates Providing Professional Structural, Transportation and Water/Wastewater Engineering, Surveying and A Willett, Hofmann & Associates, Inc.

(WHA) is a multi-discipline, professional organization unique in its capabilities and credibility that is licensed to provide professional civil engineering, structural engineering, architecture, and professional land surveying services. WHA has been providing professional engineering and land surveying services to municipalities, townships, counties, state agencies and private enterprises for over 75 years. We have a talented and diversified staff of more than 45 full-time employees who are experienced and qualified to provide an extensive range of professional services, including structural engineering, transportation engineering, water/wastewater engineering, agricultural engineering, civil site design, architectural design, land surveying services, and construction services for all our areas of expertise.

WHA loves taking part in career fairs!  We enjoy connecting with future professionals, sharing insights about our indust...
10/19/2026

WHA loves taking part in career fairs! We enjoy connecting with future professionals, sharing insights about our industry, and inspiring the next generation of talent. Thank you to everyone who stopped by to connect with us!

Happy National Boss’s Day! Today, we celebrate all our leaders at WHA who inspire, encourage, and support their teams ev...
10/16/2026

Happy National Boss’s Day! Today, we celebrate all our leaders at WHA who inspire, encourage, and support their teams every day. Thank you for your dedication, leadership, and for making a positive difference. We appreciate all that you do!

The Village of Davis Junction retained Willett, Hofmann & Associates, Inc. to provide Professional Engineering Services ...
10/07/2026

The Village of Davis Junction retained Willett, Hofmann & Associates, Inc. to provide Professional Engineering Services for improvements to the Village’s Community Park. The $1.72 million project, supported in part by a $600,000 OSLAD grant, includes replacing and extending multi-use paths; developing a new baseball/softball field; installing ADA-accessible concrete pads near the existing ballfields; expanding the concession stand; constructing a pavilion with restrooms and a fishing pier; and adding a splash pad and exercise station. WHA’s services include project development, site design, permitting, grant administration, construction observation, and construction management.

Please join us in welcoming Kacey Estrella to our team. Kacey is working as an Civil Engineering Intern in our water/was...
09/02/2026

Please join us in welcoming Kacey Estrella to our team. Kacey is working as an Civil Engineering Intern in our water/wastewater department. Welcome to WHA Kacey!

Willett, Hofmann & Associates recently completed the deck inspection of the Briggs Street Bridge over Hickory Creek and ...
08/26/2026

Willett, Hofmann & Associates recently completed the deck inspection of the Briggs Street Bridge over Hickory Creek and the Metra Railroad in Will County, Illinois. This impressive four-lane structure spans approximately 1,600 feet and required a coordinated effort from team members in WHA's Moline, Dixon, Rockford, and Joliet offices.
To minimize disruption to the traveling public, the inspection was performed during periods of lower traffic with partial lane closures in place, allowing our team to safely and efficiently evaluate the condition of the bridge.
The Briggs Street Bridge inspection is part of WHA's ongoing bridge rehabilitation program for Will County. Currently, WHA is providing rehabilitation services for 15 structures throughout the county, helping extend their service life and ensuring safe, reliable transportation infrastructure for years to come.

08/25/2026
Today we’re celebrating the 11th annual Professional Engineers Day! Observed each year on the first Wednesday of August,...
08/05/2026

Today we’re celebrating the 11th annual Professional Engineers Day! Observed each year on the first Wednesday of August, this day recognizes the important role professional engineers play in protecting public health, safety, and welfare.
At WHA, we’re proud of the work, dedication, and commitment of our professional engineers and engineering interns who are working toward their professional license. Their expertise, integrity, and service help shape stronger communities and create solutions that make a lasting impact.
Thank you to our engineers for the meaningful work you do every day. Happy Professional Engineers Day!

Happy National Intern Day! Today, we’re proud to recognize and celebrate our interns: Shaun DeVries, Kelsey Krohn, Nolan...
07/30/2026

Happy National Intern Day! Today, we’re proud to recognize and celebrate our interns: Shaun DeVries, Kelsey Krohn, Nolan Halla, Ashley Starr, and Aaron Wetzell. We’re thankful for the energy, fresh perspectives, and hard work they bring to our team. Please join us in celebrating their contributions and wishing them continued success!

Willett, Hofmann & Associates was proud to be part of the Engineering Society of Illinois 2026 Summer Seminar and Annual...
07/24/2026

Willett, Hofmann & Associates was proud to be part of the Engineering Society of Illinois 2026 Summer Seminar and Annual Business Meeting on Thursday, July 16, in Rockford, Illinois.
WHA’s Chris Morgan presented alongside Aimee Gibson, Nick Reynolds, and Jack Majcher from Benesch on the I-39 corridor project, a collaborative effort that has been in progress for approximately six years. The presentation highlighted how the project has evolved over time, growing from three original contracts to twelve by breaking the work into smaller, more manageable segments.
During the meeting, ESI also swore in its 2026–2027 slate of officers, including WHA’s Dan Loos as President-Elect.
The weekend continued on Saturday, July 18, with the 67th ESI–Rock River Golf Outing. Twenty-two teams participated in this fun event, which raises money for scholarships for future engineers. Thanks to the generosity of sponsors and participants, five engineering students were awarded scholarships this year.
We are proud to support ESI, the engineering profession, and the next generation of engineers!

07/20/2026

What a beautiful day for golf! ⛳️🏌️‍♂️
With the continued support of our participants and sponsors, we had another succesful annual golf outing this year. Our outing raised over $10,000 that will continue to fund our scholarships for local students who are pursuing Engineering Degrees and support our local MathCounts participants. We would like to extend a HUGE thank you to everyone who continues to make the success of this event possible!!

Address

Dixon, IL
61021

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+18152843381

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