A Span For All Seasons « http://www.bridgemeister.com/ | | A collection of photographs of facilities and a large worldwide inventory of suspension bridges. |
Bridge of the Month Quiz « http://www.hevanet.com/bridgink/ | | An image is posted inviting entrants to identify the feature. a free copy of a book on the subject is awarded to one correct entrant per month. |
Bridgepix. com « http://www.bridgepix.com/ | | Contains photographs and scans of other media of subjects worldwide. |
International Peace Highway Project « http://www.iijnet.or.jp/IHCC/index.html | | International highway construction corporation , supporters of a highway system connecting most of the world which would include a bering strait bridge and japan-south korea tunnel. |
MrTunnel. com « http://www.mrtunnel.com/ | | Discusses many projects. |
The Bridges Project « http://bridges.civil.rice.edu/ | | Online database of significant bridges compiled by the department of civil engineering at rice university. includes photographs. |
The Tunnel Page « http://home.no.net/lotsberg/ | | The longest road and rail tunnels in the world , grouped by categories such as sub-sea tunnels and immersed tubes. |