| AASHTO/NSBA Steel Bridge Collaboration: Joint venture between industry and government to produce better steel bridges for the traveling public. |
| American Segmental Bridge Institute - ASBI: 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. |
| Association for Bridge Construction and Design (Pittsburgh Chapter): Information and resources for bridge design, bridge technology, and historic bridges. |
| Association for Bridge Construction and Design - Western New York Chapter: Provides a forum for members to exchange and develop new ideas and techniques. Includes membership details, events, instructional courses, and photographic archive. |
| Bridge Engineering Association: Organize conferences, seminars and forums on various themes of interest to the bridge engineering community. Includes membership, news and events, and conferences. |
| Concrete Bridge Development Group - (CBDG): 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. |
| International Association for Bridge and Structural Engineering - IABSE: Non-profit scientific society established to promote the international exchange of knowledge. Features news, events, publications, and membership. |
| London Bridges Engineering Group - LoBEG: London highway authorities working together to improve bridge stock through out the city. Includes calender of events, rules and constitution, and bridge data. |
| National Concrete Bridge Council: Council of allied industry organizations to promote quality in concrete bridge construction. Features meetings and events, publications, and basic data on bridge types. |
| National Steel Bridge Alliance - NSBA: Industry organization of businesses and agencies interested in the development, promotion and construction of cost effective steel bridges. Provides publications, software, and newsletter archive. |
| Post-Tensioning Institute - PTI: Research, specifications, design recommendations and provision of publications and education. Features conferences, seminars and workshops, and software. |
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