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What is the most important shape? A triangle.
Why is the triangle a better shape? It supports the weight better.
Why not the square? You can use a square but you need a crossbar.
Why the triangle? The load on a triangle is on the point. The point directs the weight down the sides into the ground.
What materials? Steel,Wood,Stone,Concrete, and Reinforced Concrete
What material is the best? It depends. If you want a short bridge it is Stone or Wood. If it is longer. Steel, Concrete, and Reinforced Concrete.
What types of bridges are there? There are the Beam, Truss, Cantilever, Arch, Tied-Arch, Suspension, and the Cable-Stayed Bridges.
What is the best bridge That also depends. If short the Beam, Arch, Tied-Arch, or the Cantilever. If long the Truss, Suspension, or the Cable-Stayed
Why is the bridge the best bridge? Well that is hard to answer. It all depends.
What is a bridge? A bridge is a structure that spans a gap between the two sides of the gap.
Created by: cody.smith
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