�� FREE PREVIEW (First 5 Pages) ✔ First 5 pages free to download · No email required · Full document available after purchase This code covers the welding requirements for welded bridges made from carbon and low-alloy constructional steels and designed to AASHTO or AREMA requirements. This 2020 edition contains dimensions in both metric SI Units and U.S. Customary Units. It revises AASHTO/AWS D1.5M/D1.5:2015 and includes rules for the regulation of welding in steel construction. Clauses 1 through 9 constitute the core rules, while Clauses 10 and 11 are not applicable. Clause 14 details requirements for fabricating fracture critical members. A joint publication of the American Association of State Highway and Transportation Officials and the American Welding Society.