Why do people build bridges? Explanation

This term as you know LS2 have been focusing and learning about structures such as towers, bridges, and tunnels. So for writing Ms Kirkpatrick has set a task where we were to write why do people build bridges. This is a easy questions to answer. We build bridge so that it is easier to access other places. Why go around a river where you can go through the river on a bridge? If you would like to learn about why people build bridges click on this link.