The Pratt truss bridge, a revolutionary design in bridge engineering, was invented in 1844 by Thomas Willis Pratt and his father Caleb Pratt[1][4]. This innovative bridge design came at a crucial time in American history when the need for efficient and sturdy bridges was growing rapidly due to expa

The Pratt truss bridge is one of the most recognized and widely used bridge designs in the world. Its unique structural characteristics allow it to efficiently handle various loads while maintaining stability and durability. This article will delve into the mechanics of how a Pratt truss bridge work