The following links provide information on bridges and bridge construction:

Blueprint - Lincoln Junior High School, Lasalle, Illinois.
      A side and top view of bridge blueprints.

Bridgepros
      See their Bridge Projects - past, current, and future, and their
      Learning Center, with links to sites on the Web for learning about bridges.

Bridge Information - Delaware River Port Authority

Brooklyn Bridge - Great Buildings Online, Kevin Matthews and Artifice, Inc.

Delaware River Port Authority
      A regional transportation and economic development agency serving
      the people of Southeastern Pennsylvania and southern New Jersey.

George Washington Bridge Construction Overview - The Port Authority of
New York and New Jersey

Golden Gate Bridge - Great Buildings Online, Kevin Matthews and Artifice, Inc.

The Golden Gate Bridge Under Construction Poster - Clark Publishing

The Great Buildings Collection - Kevin Matthews and Artifice, Inc.