Business Details
25 Years
experience
Expert Civil Construction Services in Wisconsin
Founded in 2001 by Steve Janke, our company has grown from small earthwork projects to executing large-scale civil infrastructure developments across the Midwest. We specialize in dam construction, bridge rehabilitation, park development, and utility systems while maintaining our headquarters in Athens, Wisconsin. Our in-house 20,000-square-foot fabrication facility enables precise control over project components. We provide comprehensive services including engineering consultation, project management, and design-build solutions for government agencies and private clients.Our commitment to clear communication throughout every project phase has established us as a trusted partner in infrastructure development. With expertise in marine construction, restoration, and pedestrian/bike trail systems, we deliver durable, code-compliant structures that enhance community connectivity and functionality.
Services
Bridge Construction
Dam Rehabilitation
Park Development
Utility Systems
Marine Construction
Trail Systems
Historic Bridge Restoration
Design-Build Projects
Project Management
Engineering Consultation
Details
- Year established: 2001
Highlights and features
- We have 20+ years of experience in civil infrastructure projects
- Our in-house fabrication facility ensures quality control
- We specialize in complex bridge and dam construction
- We maintain open communication throughout all project phases
- We serve public and private clients across the Midwest
Services
Bridge Construction
We design and construct pedestrian and vehicular bridges using modern engineering techniques. Our team handles all phases from foundation work to final decking installation. Clients benefit from our experience with over 38 bridge projects completed in Wisconsin's trail systems.
Dam Rehabilitation
Our specialists perform structural assessments and implement reinforcement solutions for aging dam systems. We combine traditional construction methods with modern materials to extend infrastructure lifespan while maintaining safety compliance standards.
Park Development
We create recreational spaces with integrated boardwalks, trails, and water access points. Our projects connect communities through functional designs that balance environmental considerations with public accessibility requirements.
Utility Systems
We install underground utility networks for water, sewer, and storm drainage systems. Our crews handle complex coordination challenges during infrastructure upgrades while minimizing service disruptions for nearby residents.
Historic Bridge Restoration
We restore historic bridges using period-appropriate materials and techniques while meeting modern safety standards. Our work preserves structural heritage through careful documentation and specialized construction methods.
People
Steve Janke
President
Founder Steve Janke established the company in 2001 with expertise in civil infrastructure. He oversees strategic direction while maintaining hands-on involvement in major projects across the Midwest.
Questions
What types of construction projects does Janke General Contractors specialize in?
We specialize in bridge construction, dam rehabilitation, park development, utility systems, marine construction, and historic bridge restoration projects across the Midwest.
Do you offer design-build construction solutions?
Yes, we provide comprehensive design-build services that integrate engineering consultation with construction execution for efficient project delivery.
What makes your company different from other contractors?
Our in-house fabrication facility, 20+ years of infrastructure experience, and commitment to continuous client communication set us apart in project execution.
Are you accepting new project bids in Wisconsin?
We actively pursue infrastructure projects across Wisconsin and the Midwest. Contact us directly for current bidding opportunities and capabilities.
Can your team handle historic bridge restoration projects?
Yes, we have demonstrated expertise in historic bridge restoration through our work on Wisconsin Department of Transportation projects.
Do you have experience with public sector construction contracts?
We have extensive experience working with local and state governments on civil infrastructure projects through competitive bidding processes.
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