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The Latest Welding Standard for Bridges Designed to AASHTO or AREMA Requirements

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The AASHTO/AWS D1.5M/D1.5:2025 is now available for purchase. As a joint publication of AASHTO and AWS, the D1.5M/D1.5, Bridge Welding Code continues to serve as the primary reference for structural engineers, welders, inspectors, and fabricators working on projects that follow AASHTO or AREMA codes. 

This updated edition of the D1.5M/D1.5 standard provides the welding requirements for bridges made from carbon and low-alloy constructional steels, aligning with both AASHTO and AREMA standards. The 2025 edition incorporates updates to welding procedures, inspection protocols, and qualification processes to ensure projects remain in line with the latest industry practices for bridge welding.

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What’s New in AASHTO/AWS D1.5M/D1.5:2025?

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Key Changes

Key Changes in Welding Requirements for carbon and low-alloy steels as part of the D1.5 Bridge Welding Code.

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Streamlined inspection and qualification

Streamlined inspection and qualification procedures to ensure consistent quality in welding practices for bridge construction.

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Alignment with AASHTO & AREMA

Alignment with AASHTO & AREMA standards for bridges, reinforcing compliance across all stages of bridge fabrication.

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Why Stay Updated with D1.5M/D1.5:2025?

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  • Outlines welding requirements for bridges made from carbon and low-alloy constructional steels, tailored to meet industry standards for bridge welding.
  • Covers both design and fabrication, establishing proper welding procedures throughout the entire bridge construction process to maintain safety and durability.
  • Aligns with federal and industry regulations, maintaining compliance with AASHTO and AREMA standards.
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Now Available

GET THE MOST RECENT BRIDGE WELDING CODE, AASHTO/AWS D1.5M/D1.5:2025

The AASHTO/AWS D1.5M/D1.5:2025 standard is now available for purchase through the AWS Bookstore.

General Overview of AASHTO/AWS D1.5M/D1.5:2025

  • What’s the difference between the 2020 and 2025 editions?
    The 2025 edition of the D1.5M/D1.5, Bridge Welding Code includes updates on welding requirements, inspection procedures, and qualification processes to reflect advancements in industry standards.
  • Who should purchase this code?
    The AASHTO/AWS D1.5M/D1.5 code is essential for structural engineers, welders, inspectors, and fabricators working on bridge construction projects that follow AASHTO or AREMA guidelines.
  • Can I order a physical copy of the code?
    The PDF version is available for purchase now, and hardcopies will be available soon.