| Links |
| Professional Institutions |
Data Bases |
Owners |
| American Society of Civil Engineers ASCE |
Structurae data base |
The Bridge Owners Forum UK |
| American Segmental Bridges Institute ASBI |
Digital Bridges Collection at Lehigh University, USA |
US Department of Transportation |
| Engineers Australia |
Covered Bridges in North Eastern USA |
UK Bridges Board |
| International Association for Bridge and Structural Engineering IABSE |
Historic Bridges of the USA |
The Highways Agency, UK |
| Institution of Civil Engineers ICE |
Historic Bridges in New Zealand |
Network Rail, UK |
| Institution of Professional Engineers New Zealand IPENZ |
Wikipedia List of Bridges in USA |
London Bridges Engineering Group |
| Institution of Structural Engineers IStructE |
Link suggested by Michelle & Sarah Bass of Alabama, USA:-
Historic Bridges: From The Brooklyn Bridge To The London Bridge And Beyond |
| Japanese Society of Civil Engineers |
Systems Thinking web sites |
| International Council on Systems Engineering INCOSE |
Engineering Doctorate in Systems, University of Bristol |
|
Engineering Doctorate in Systems, University of Loughborough |
|
The Open University "What is systems thinking?" |
|
UK Systems Society |
|
Systems Dynamics Society |