There are four major types of bridges. The biggest differences between the four is the distance they can cross in a single span and the materials that they are constructed with. A span is the distance between two bridge supports, whether they are columns, towers, or the wall of a canyon. After reading about the four types from the website provided, fill in the information needed for each bridge type below.
4. What are the Strengths and Weaknesses of the 4 Major Types of Bridges?