A bridge is a structure built to span a gorge, valley, road, railroad track, river, body of water, or any other physical obstacle. Designs may be built higher than otherwise needed in order to allow other traffic (particularly ship traffic) beneath.
The purpose of a bridge is to allow people travelling or cargo being transported easier passage by providing a more uniform, and more easily navigable route than what would otherwise be an uneven or impossible path.
Bridge Construction :: Civil and Roadworks
Buildings and Bridges :: Technology

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.
Meta Description: [ The Arizona Transportation (ADOT) Internet Web site ]
Balanced Cantilever Bridge Construction - Discussion of construction method with a video animation.
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.
Meta Description: [ Home of Washington States Bridge and Structures. Building tomorrows bridges, today. ]
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Bridge Building - Online exhibition of bridge building at the Deutsches Museum, Munich. Covers arch, beam, and suspension and cable-stayed bridges.
Bridge Building - Art and Science - Illustrated pages on different types of bridges and how they work.
Meta Description: [ Information about bridges ]
Bridge Design and Assessment - Workshop for bridge design and assessment codes and standards.
Meta Description: [ Workshop for Bridge Design and Assessment Codes and Standards. ]
Bridge Design Manual - Manual developed to provide bridge designers working on Texas Department of Transportation projects with the policies and guidelines set forth by regarding the design of bridges. Also available in pdf format.
Meta Description: [ We are moving away from our current method of presenting manuals online to a more user-friendly format. Our new system, with search functionality, should be up by the end of summer. In the interim, you can access PDFs of the manuals from the links below. ]
Bridge Engineering Forum at Eng-Tips - Technical support and mutual help system for engineering professionals.
Bridge Research: Leading the Way to the Future - Article that discusses the role and value of research in highway bridges.
BridgePros - Offers an interactive experience in the engineering and construction of past, current and future bridge projects, including employment, news updates, and learning center.
Meta Description: [ This site offers an interactive experience in the engineering and construction of past, current and future bridge projects, including employment, news updates, and learning center. ]
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.
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.
How Stuff Works: Beam, Arch and Suspension Bridges - Clear, concise explanations for various types of bridges with many illustrations and related links.
Meta Description: [ Bridges support tremendous weight, span huge distances and all the while withstand the greatest forces of nature. Find out about these engineering feats (as well as some of the flaws). ]
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 Pensylvania.
Issues Impacting Bridge Painting - Overview of research on painting of steel bridges. Uses life cycle costing.
Load and Resistance Factor Design - Technical support, information and news on the AASHTO LRFD bridge design specifications.
Mark Ketchum's Bridge Engineering Page - Photos and descriptions of some bridge structures and some discussion of bridge engineering issues.
Meta Description: [ Photos and descriptions of some bridge structures on which I have worked, some other interesting bridges, and some discussion of bridge engineering issues. ]
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NOVA Online: Super Bridge - Information about the four major types of bridges. Offers a knowledge test by matching each bridge to the correct location.
Meta Description: [ NOVA Online presents Super Bridge; learn about the four major types of bridges, and then test your knowledge. ]
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.
Office of Bridge Design - Georgia Department of Transport - Includes a bridge design guide and information on new and historic bridges in Georgia.
Meta Description: [ Information about the Georgia Department of Transportation's Bridge Design Office, Georgia Department of Transportation. Where to find information on Georgia Department of Transportation ]
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.
Office of Structural Engineering - Ohio Department of Transport - Includes bridge design manual, standard drawings, research, hydraulics, and covered bridges.
SC Solutions - Bridge engineering resources. Links to government agencies, universities, publications and software.
Meta Description: [ Bridge Engineering Home Page ]
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.
The BridgeSite - Resources for bridge engineers including engineering tools, discussion groups, and an industry events calendar.
Meta Description: [ The bridge site - a free site for all bridge engineering interests ]
The Hong Kong Polytechnic University - Provides a range of technical data and case studies on arch, beam, cable-stayed, and suspension bridges.
The West Point Bridge Design Contest - Annual competition sponsored by the American Society of Civil Engineers. Includes free software download.
Meta Description: [ Design a truss bridge using the award-winning West Point Bridge Designer software. Win a $15,000 scholarship and a laptop computer. It's free! ]
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.
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