NOVA Online | Super Bridge | Build a Bridge

Super Bridge menu (see bottom of page for text links)

Arch Bridge

Photo of river location

Arch bridges typically span distances between 200 and 800 feet. You might be able to engineer one that spans 1,000 feet, but what about the abutments that bear the load? Muddy river banks may not make very good supports. Try again.

Photo: Portland Cement Association

Build A Bridge | Resources | Guide | Transcript | Bridge Home