MDOT Welder Certification Testing

Official MDOT-Authorized Welding Testing Agency Since 2020

Recognized as an MDOT Authorized Welder Certification Testing Agency, we proudly deliver MDOT welder certification testing aligned with the Michigan Department of Transportation’s (MDOT) Structural Fabrication Unit requirements. Our program is designed to serve welders, contractors, and construction firms across Michigan seeking certification for MDOT infrastructure projects.

We conduct welder testing in accordance with AWS D1.1 welding code, as modified by MDOT, under the supervision of our Certified Welding Inspectors (CWIs). Certification issued through our facility is valid for two years and recognized statewide.

MDOT Welder Certification Program

Why Choose IAI MDOT Welding Certification?

Contractors working on MDOT projects must ensure all welders hold valid MDOT-approved certifications. Our testing center makes the process simple, compliant, and convenient by offering:

  • Authorized AWS D1.1 welder testing

  • Quick turnaround and digital reporting using MDOT Form 5620

  • Accurate, audit-ready documentation and certification logs

  • Convenient testing location in Northern Michigan

  • Hands-on support for both individuals and contractor teams

Welders certified through our facility are qualified to perform specific structural welding tasks on MDOT-approved scopes, including:

  • Non-main member piling

  • Steel cofferdams and sheet piling

  • False work and temporary supports

Our IAI MDOT Welder Certification Services

We are fully equipped to meet MDOT requirements as a certified testing facility. Our services include:

  • Visual and mechanical welder test inspections

  • Testing with MDOT-specified materials (AASHTO M270, ASTM A252)

  • Oversight by Certified Welding Inspectors (CWI)

  • Secure record retention for MDOT audits

  • Proper reporting and form submission via email to MDOT’s Structural Fabrication Unit

We ensure that every welder tested at our facility is fully documented, compliant, and qualified for active and upcoming MDOT welding contracts.

Who We Serve

  • Independent welders seeking MDOT welding qualifications

  • Construction contractors needing to certify crews for state highway or bridge projects

  • Municipal or county partners requiring MDOT-compliant welding credentials

Schedule Your MDOT Welding Test Today

We offer flexible scheduling for MDOT welder certification testing in Northern Michigan, supporting the demands of seasonal projects and infrastructure timelines.

Contact us today to schedule your certification or inquire about group testing for your workforce.
tward@iaiworks.com or https://iaiworks.com/contact/ 
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