Design of Steel Bridges (1915)
- Historical text detailing the design of steel bridges authored by F. C. Kunz. Provided by the Case Western Reserver University Preservation Department.
- http://library.case.edu/ksl/ecoll/books/kundes00/kundes00.html

International Bridge Conference
- Arena for the bridge industry in North America, Europe and Asia. Includes registration, call for papers, bridge awards, and conference archives. Organized by the Engineers Society of Western Pennsylvania.
- http://www.eswp.com/bridge/index.htm

Center for Innovative Bridge Engineering
- Serves as a resource for highway and railroad bridge owners in the United States and worldwide. Features researchers, projects, education, and news and events. At the University of Delaware.
- http://www.ce.udel.edu/cibe/

Balanced Cantilever Bridge Construction
- Discussion of construction method with a video animation.
- http://www.bbr.com.sg/BC-cantilever.html

Arizona Department of Transportation Bridge Group
- Responsible for bridge design, construction assistance, and management. Includes guidelines, preservation program, structural detail cad drawings, and a gallery of bridges.
- http://www.azdot.gov/Highways/Bridge/Index.asp

The West Point Bridge Design Contest
- Annual competition sponsored by the American Society of Civil Engineers. Includes free software download.
- http://bridgecontest.usma.edu/

Issues Impacting Bridge Painting
- Overview of research on painting of steel bridges. Uses life cycle costing.
- http://iti.northwestern.edu/pubs/fhfr/fhfr_toc.html

To Build a Twisted Bridge
- Gives a topological study of how a Moebius band may adapted for bridge construction. Gives examples of some potentially usable designs for people and cars.
- http://www.mi.sanu.ac.yu/vismath/sequin/

Bridge and Structures Office - Washington State Department of Transport
- Provides a range of structural services required to provide safe, economical and reliable structures for the state's transportation system. Features projects, maps, and data.
- http://www.wsdot.wa.gov/eesc/bridge/index.cfm?fuseaction=home

Office of Bridge Administration - U.S.Coast Guard
- Responsible for approval of the location and plans of bridges and causeways constructed across navigable waters of the United States. Provides bridge clearance and permit application guides.
- http://www.uscg.mil/hq/g-o/g-opt/g-opt.htm

Office of Bridge Design - Georgia Department of Transport
- Includes a bridge design guide and information on new and historic bridges in Georgia.
- http://www.dot.state.ga.us/dot/preconstruction/bridgedesign/index.shtml

The Hong Kong Polytechnic University
- Provides a range of technical data and case studies on arch, beam, cable-stayed, and suspension bridges.
- http://www.cse.polyu.edu.hk/~ctbridge/

The Bridges Project - London Borough of Barking and Dagenham
- Provides theoretical knowledge for students and teachers, with illustrations from places in both London's Docklands and the Netherlands.
- http://www.bardaglea.org.uk/bridges

Bridge Design and Assessment
- Workshop for bridge design and assessment codes and standards.
- http://www.childs-ceng.demon.co.uk/

SC Solutions
- Bridge engineering resources. Links to government agencies, universities, publications and software.
- http://www.scsolutions.com/bridge.html

The BridgeSite
- Resources for bridge engineers including engineering tools, discussion groups, and an industry events calendar.
- http://www.bridgesite.com/

Load and Resistance Factor Design
- Technical support, information and news on the AASHTO LRFD bridge design specifications.
- http://www.lrfd.com

Bridge Engineering Forum at Eng-Tips
- Technical support and mutual help system for engineering professionals.
- http://www.eng-tips.com/gthreadminder.cfm/lev2/26/lev3/73/pid/607

Office of Structural Engineering - Ohio Department of Transport
- Includes bridge design manual, standard drawings, research, hydraulics, and covered bridges.
- http://www.dot.state.oh.us/se/

BridgePros
- Offers an interactive experience in the engineering and construction of past, current and future bridge projects, including employment, news updates, and learning center.
- http://bridgepros.com/

How Stuff Works: Beam, Arch and Suspension Bridges
- Clear, concise explanations for various types of bridges with many illustrations and related links.
- http://www.howstuffworks.com/bridge.htm

Bridge Research: Leading the Way to the Future
- Article that discusses the role and value of research in highway bridges.
- http://www.tfhrc.gov/pubrds/summer95/p95su23.htm

NOVA Online: Super Bridge
- Information about the four major types of bridges. Offers a knowledge test by matching each bridge to the correct location.
- http://www.pbs.org/wgbh/nova/bridge/

Office of Bridge Technology - Federal Highway Association
- Provides a range of technical data on concrete and steel structures. Features publications, calendar of events, and related links.
- http://www.fhwa.dot.gov/bridge/index.htm

Mark Ketchum's Bridge Engineering Page
- Photos and descriptions of some bridge structures and some discussion of bridge engineering issues.
- http://www.ketchum.org/bridges.html