AMERICA’S LARGEST BRIDGE FABRICATION FACILITY
PRECISION, STRENGTH, INNOVATION



Building America’s Bridges with Unmatched Precision and Expertise
At ISC we specialize in delivering custom steel bridge solutions that redefine the industry standard. With over 1.6 million square feet under roof of state-of-the-art fabrication space, advanced technology, and a skilled workforce, we are equipped to handle the most complex steel bridge projects with unmatched precision and efficiency. Our commitment to safety, quality, and innovation ensures that every bridge we build is designed to last, meeting the highest industry certifications and customer expectations.
From plate girders to arch bridges, our versatile capabilities allow us to fabricate a wide range of bridge types, all while maintaining strict adherence to timelines and specifications. With every project, we strive to deliver not just a bridge, but a lasting infrastructure solution that supports the future of transportation.
OUR CAPABILITIES
BRIDGE FABRICATION
Our industry-leading team fabricates steel bridges with precision and efficiency. From plate girders to complex structures, we deliver strength, quality, and reliability.
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BRIDGE COATINGS
Our advanced coating facilities ensure superior protection for every structure. From basic finishes to specialized systems, we deliver long-lasting results.
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TRANSPORTATION
We offer flexible shipping solutions via rail, barge, and truck to meet project demands. ISC ensures safe and efficient delivery, no matter the size.
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TYPES OF BRIDGES
ISC fabricates a wide range of bridge types, from plate girders to complex arch bridges. Our expertise ensures precision for every design and specification.
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FEATURED BRIDGE PROJECTS
Each of the projects below highlights our commitment to delivering exceptional steel bridge solutions. From iconic spans to complex engineering feats, these examples represent the expertise and innovation that define our work. Click on any project to explore the details behind its successful completion.
Ohio State Route 8 Bridge Replacement
A vital 8,000-ton bridge replacement in Akron, OH, featuring over 200 high-performance steel girders supporting expanded lanes for regional traffic and commerce.
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Eldamain Road Bridge, Yorkville, IL
The longest bridge ever built in Kendall County, this 1,557-foot structure improves traffic flow and supports economic growth with future lane expansion and a pedestrian path.
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CREATE 75th Street Corridor, Chicago, IL
Part of Chicago’s largest rail efficiency project, this 4,900-ton rail bridge eliminates key bottlenecks with precision-fabricated girders and complex beam assemblies.
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I-74 Bridge Over the Mississippi River
A 20,000-ton dual-arch bridge connecting Iowa and Illinois, built to handle increased traffic with four lanes in each direction and awarded 2022 Major Span Bridge of the Year.
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OUR FACILITY
Our Gary, Indiana, facility spans 1.6 million square feet under roof, making it the largest single-site bridge fabrication plant in the U.S. With cutting-edge technology like automated robotic welding and CNC machining, we handle complex bridge projects with precision. The facility also features 80 cranes and a 50,000-square-foot blasting and painting area to ensure top-quality fabrication.
Located near steel mills and key transportation routes, including rail, barge, and truck, our Gary plant offers a logistical advantage that allows for efficient, cost-effective delivery. This ensures that projects are completed on time and within budget.
CERTIFICATIONS







CONTACT US TODAY
CONTACT INFORMATION
- Address: 86 North Bridge St, Gary, IN 46404
- Phone: (219) 885-7600
- Email: [email protected]
- Business Hours: Mon - Fri / 8:00 AM - 4:00 PM
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