1) All bridge engineers, researchers, etc, are welcome to apply for the membership of IAJB. The approval is issued by the Chair of the Association.

2) All members are requested to take part in at least one symposium and/or workshop within four years, starting from their membership approval date, in order to keep their memberships valid.

3) Members are requested to make contribution to the Association by many ways, such as introducing new members, providing research materials, hosting workshop and symposium as well as jointless bridge projects, etc.

4) Technical Committee members are recommended from the memberships every four years.