Our dedicated staff of over 80 engineers, environmental specialists, surveyors, and technicians has over 50 years of experience working on various types of projects from conception and planning through implementation. Together, we've built a reputation of personalized client service, superior project management, and a dedication to delivering our client's vision. Our values, culture, and sense of community drive us to be better every day. We listen to our clients and develop solutions to meet their needs and we treat those we work with - clients, the community, and colleagues - with respect.

Lamac was founded in 1938 by Robert Lathrop and Neal McDonald who recognized the need for civil engineering services in areas around Mt. Carmel, Illinois. A two-person startup that initially specialized in roadway design and municipal services evolved into a 16-person firm that currently works on a variety of infrastructure development, maintenance, and revitalization projects. Over the years, they have earned a reputation for utilizing state-of-the art technologies and providing clients with quality engineering in a timely and efficient manner.

Our design engineering team prides itself on taking ownership of projects and will work closely with you to understand all aspects of your vision and help make it a reality. We strive to create designs that will enhance your community by improving public safety, protecting the environment through sustainable applications, and implementing needed drainage improvements, while helping foster economic development. We will work as an extension of your staff, keeping your best interests in mind at all times, in order to give you a design that accomplishes your specific project goals.

We have a long history of cost-effective structural engineering and bridge design experience on everything from major IDOT and Illinois Tollway highway projects to municipal roads and streets. We have, in fact, designed more local agency bridges than any other firm in the state of Illinois. Our structural specialists concentrate on the client's needs to ensure each design is focused on constructibility, safety, and a durable lifespan with minimal maintenance. This means you can have confidence that your project will be done correctly, within your budget, and on schedule.

Our resident engineers and technicians are cross-trained in design, perform constructability reviews, and have environmental inspection, erosion control, and materials knowledge. We have diverse experience on municipal rehabilitation programs, intersection and roadway improvements, complex utility installations, large- and small-scale bridge construction, traffic signals and interconnect, and stormwater/sustainability upgrades. In addition, our field representatives are ADA/PROWAG-proficient. We understand that construction is a complex process comprised of many details and coordination issues.

We recognize each project is unique due to location, land availability, local stormwater regulations, and design requirements. HLR ensures each solution is tailored to suit our client's needs and budget with the ultimate goal of protecting water quality, the environment, personal property, and the safety of the community. We create efficient designs by utilizing new and proven technologies in stormwater management and can provide you with comprehensive drainage studies, hydraulic models, and detailed construction plans for storm sewer systems, sustainable applications, and erosion control measures to manage storm water issues.

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