Table of Contents What Are Bridges Types of Bridges How Do Bridges Work Glossary To Learn More 4 10 16 22 23 24 Index
4 What Are Bridges Bridges are structures that span open spaces
Bridges
Bridges take cars, trains, and people across rivers, lakes, and canyons. This introductory title covers the materials used in bridge construction, the types of bridges, and the scientific concepts that make bridges work.
