AWS D1.5 Endorsement case studies

The Bridge Welding (D1.5) endorsement is one of the CWI and SCWI Endorsements offered by the American Welding Society, listed alongside endorsements such as Structural Steel (D1.1), Structural Aluminum (D1.2), Railroad (D15.1), Aerospace (D17.1), and Pipeline (API 1104). It is designed for Certified Welding Inspectors and Senior Certified Welding Inspectors who want to demonstrate code-specific knowledge of bridge welding practice, and it sits under the AWS certification and education program rather than replacing the core CWI or SCWI credential. The endorsement is tied to the AASHTO/AWS D1.5M/D1.5 bridge welding code; AWS lists the 2025 edition of that standard, AASHTO/AWS D1.5M/D1.5:2025, on its codes and standards pages, so candidates should confirm which edition their exam references before studying. Because the endorsement is code-specific, preparation centers on reading and navigating the D1.5 standard itself: its scope and definitions, qualification requirements, fabrication and inspection provisions, and the acceptance criteria an inspector applies in the field. The AWS D1.5 Endorsement case studies are 5 cases and about 2,327 words.