Nonprofit organization which provides a forum in which owners, designers, constructors, and suppliers can meet to further refine current design, construction, and construction management procedures.

Dedicated to the task of improving efficiency of the design, construction and maintenance of concrete bridges. Features research, publications, diary of events, and membership listing.

Council of allied industry organizations to promote quality in concrete bridge construction. Features meetings and events, publications, and basic data on bridge types.

Industry organization of businesses and agencies interested in the development, promotion and construction of cost effective steel bridges. Provides publications, software, and newsletter archive.

Research, specifications, design recommendations and provision of publications and education. Features conferences, seminars and workshops, and software.