Call Now
Website
Call
Business Details
36 Years
experience
Your Trusted Heavy Highway Construction Partner in Illinois
Since 1990, Dunnet Bay Construction has specialized in tackling complex infrastructure projects that demand precision, innovation, and unwavering commitment to quality. Our expertise spans heavy highway construction, airport facility enhancement, railway infrastructure development, and earth retention solutions, serving both public and private sectors across Chicagoland and Northwest Indiana. By self-performing the majority of our work with a fully owned fleet of equipment and employing highly skilled, safety-conscious personnel, we maintain direct control over project outcomes while adhering to the highest standards of quality and safety. Our collaborative approach with clients, design teams, and stakeholders ensures seamless execution of projects ranging from bridge rehabilitation to large-scale transportation systems.

Recognized with multiple awards by the Illinois Department of Transportation and Illinois State Toll Highway Authority, we continue to raise industry benchmarks through innovative problem-solving and tailored project delivery. With decades of experience managing multifaceted construction programs, our team provides responsive project management that coordinates numerous subcontractors, suppliers, and workers to achieve exceptional results. Our deep understanding of local geotechnical conditions and investment in cutting-edge resources enable us to deliver reliable, cost-effective solutions that meet evolving infrastructure demands while prioritizing community needs and minimizing disruptions.
Services
Heavy Highway Construction Bridge Rehabilitation Airport Infrastructure Railway Development Earth Retention Systems
Details
  • Year established: 1990
Highlights and features
  • We self-perform 80% of work with 100% owned equipment for greater control
  • Our team holds multiple state transportation contractor of the year awards
  • We implement patented earth retention methods for challenging geotechnical conditions
  • Our crews maintain 20+ years average experience in heavy civil construction
  • We guarantee compliance with all federal and state safety regulations
What people say
Award-winning safety record Proven expertise in complex projects Reliable equipment fleet Experienced personnel Effective project coordination
Services
Heavy Highway Construction
We construct and upgrade interstate highways, major roadways, and transportation corridors using advanced construction techniques and fully owned equipment. Our capabilities include earthwork, grading, paving, and intelligent transportation systems implementation. With decades of experience in public works projects, we deliver durable infrastructure solutions that enhance regional connectivity and support economic growth across Illinois and Indiana.
Bridge Rehabilitation
Our bridge rehabilitation services include structural assessment, deck replacement, substructure repairs, and load capacity enhancements for both steel and concrete bridges. Utilizing specialized equipment and skilled crews, we perform critical maintenance and upgrades while maintaining traffic flow through phased construction. Our award-winning approach ensures compliance with modern safety standards and extends the service life of vital transportation assets.
Airport Infrastructure
We specialize in constructing and upgrading airfield pavements, taxiways, aprons, and terminal facilities for commercial and general aviation airports. Our work includes airside/landsides improvements, utility relocations, and stormwater management systems. By maintaining strict FAA compliance and coordinating with airport operations, we deliver enhancements that improve safety, capacity, and passenger experience while minimizing operational disruptions.
Railway Development
Our railway construction services encompass track installation, signal system upgrades, and infrastructure development for freight and passenger rail networks. We handle complex projects involving grade separations, crossing improvements, and rail yard expansions. Through collaborative planning with stakeholders, we implement efficient transportation solutions that enhance safety, reduce congestion, and support regional mobility initiatives.
Earth Retention Systems
We design and install advanced earth retention solutions including sheet piling, soldier pile and lagging, and soil nailing systems. Our expertise in Chicago-area geotechnical conditions enables effective excavation support for infrastructure projects. These systems provide critical stability during foundation construction, trenching operations, and slope stabilization while ensuring worker safety and adjacent structure protection.
Questions
What geographic areas do you serve?
We primarily serve Chicagoland and Northwest Indiana, handling infrastructure projects across Illinois and Indiana transportation networks.
What construction specialties do you offer?
Our core specialties include heavy highway construction, bridge rehabilitation, airport infrastructure, railway development, and earth retention systems.
How long have you been in business?
Dunnet Bay Construction Company has specialized in transportation infrastructure since 1990, with over three decades of industry experience.
What sets you apart from other contractors?
We self-perform most work with owned equipment, maintain specialized crews, and have won multiple state transportation department contractor awards.
Can you handle complex infrastructure projects?
Yes, our team manages multifaceted projects requiring advanced planning, specialized equipment, and coordination with multiple stakeholders and subcontractors.