Introduction The Pratt truss bridge stands as one of the most enduring and efficient designs in the history of civil engineering. Since its invention by Thomas and Caleb Pratt in 1844, this truss system has become a staple in bridge construction, particularly where long spans and heavy loads are

Introduction A Pratt truss bridge stands as a testament to efficient engineering, combining strength, economy, and elegance. Designed in the mid-19th century by Thomas and Caleb Pratt, the Pratt truss is easily recognized by its diagonal members sloping towards the center of the span and vertica