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Business Details
36 Years
experience
Civil Engineering Solutions for Midwest Communities
Founded in 1990, Engineering Resource Associates (ERA) is a full-service civil engineering, structural design, environmental science, and surveying firm serving clients throughout the Midwest. Our unique approach integrates engineering design, environmental improvements, and aesthetic appeal into coordinated projects, ensuring comprehensive solutions for municipalities, park districts, and commercial entities. With offices in Warrenville, Chicago, Champaign, and Milwaukee, our team of licensed engineers, environmental scientists, and surveyors leverages state-of-the-art technology to deliver innovative designs and construction services.

We specialize in transportation, water resources, site development, and forensic investigations, maintaining licenses in Illinois, Indiana, and Wisconsin. Our 35+ years of experience in securing federal funding and managing complex infrastructure projects demonstrate our commitment to sustainable, client-focused solutions that enhance communities and natural resources.
Services
Transportation Engineering Municipal Design Structural Engineering Water Resources Site Development Environmental Services Surveying Forensic Investigations GIS Mapping Construction Observation
Details
  • Year established: 1990
Highlights and features
  • We offer 35+ years of experience in Midwest infrastructure projects.
  • Our team integrates engineering, environmental, and aesthetic solutions.
  • We utilize state-of-the-art design and surveying technology.
  • Our staff includes licensed engineers and certified floodplain managers.
  • We provide end-to-end project support from planning to construction.
Services
Transportation Engineering
ERA delivers comprehensive transportation engineering services including highway, roadway, and traffic signal design. Our team utilizes 3D modeling technology to create precise construction documents for state, county, and municipal clients. We specialize in pavement rehabilitation, intersection design, and bike route planning, ensuring safe and efficient transportation solutions that meet evolving infrastructure needs.
Structural Engineering
Our structural engineering team focuses on bridges, retaining walls, and hydraulic structures. We provide inspections, load ratings, and design-build solutions while adhering to federal requirements. With expertise in multi-span bridges and culvert replacements, we deliver durable infrastructure solutions that prioritize safety and longevity for both public and private sector clients.
Environmental Services
ERA specializes in wetland mitigation, streambank stabilization, and stormwater pollution prevention. Our certified professionals conduct environmental assessments and develop erosion control plans. We implement native landscape restoration projects that align with regulatory requirements while enhancing natural ecosystems and improving water quality in communities across the Midwest.
Surveying
Our surveying division provides topographic, boundary, and ALTA surveys using advanced equipment and GIS technology. We support infrastructure projects with accurate data collection and mapping services. Our team delivers precise surveying solutions for land development, construction layout, and environmental projects throughout Illinois, Indiana, and Wisconsin.
Water Resources
ERA offers comprehensive water resources engineering including hydraulic analysis, floodplain mapping, and watershed studies. We design storm sewer systems and develop master plans for sustainable water management. Our team secures necessary permits and implements solutions that reduce flood risks while improving water quality for municipal and private clients.
Questions
What geographic areas does ERA serve?
ERA operates throughout Illinois, Indiana, and Wisconsin, with offices in Warrenville, Chicago, Champaign, and Milwaukee.
What engineering disciplines does ERA specialize in?
We specialize in civil engineering, structural design, transportation planning, water resources, environmental science, and surveying services.
How long has ERA been in business?
Engineering Resource Associates has provided engineering services since 1990, with over 35 years of Midwest infrastructure expertise.
What types of clients does ERA work with?
We serve municipalities, park districts, forest preserves, county/state agencies, and private developers on infrastructure and environmental projects.
Does ERA handle federal funding applications?
Yes, we have extensive experience identifying and securing federal funding sources for transportation and infrastructure projects.
What construction phase services does ERA provide?
We offer construction observation, layout services, and documentation to ensure projects meet design specifications and regulatory requirements.