The AASHTO Guide Specifications for Internal Redundancy of Mechanically-Fastened Built-up Steel Members , 1st Edition, published in 2018, provides engineers with a reliable tool to assess the internal redundancy of steel bridge members traditionally classified as fracture-critical members. These 2022 Interim Revisions to the Guide Specifications for Internal Redundancy of Mechanically-Fastened Built-up Steel Members , 1st Edition, increase the library of simplified solutions that enable more efficient and convenient evaluations of common axially loaded tension members.