Building a Truss Bridge with Protastructure: Step-by-Step Animation

The world’s oldest surviving truss bridge was minutes away from becoming nothing but ash and charcoal floating down the Reuss. In 1993, a devastating fire tore through Lucerne’s Kapellbrücke, threatening to erase a masterpiece of medieval engineering that had stood since 1333. For a structure that pioneered the strutted timber truss—a triangular design so stable it changed how we bridge the world—watching its 17th-century paintings and ancient beams collapse into the water was a soul-crushing bl

🚨 The historic Joppa Iron Truss Bridge—a structure built in 1907—was swept away by catastrophic floodwaters, disappearing from its longtime home over the North Fork of the San Gabriel River between Georgetown and Lampasas. Here is some history on this local iconic structure: https://texashistoricalmarkers.weebly.com/joppa-iron-truss-bridge.html (Source: Damon Beierle, Burnet County Pct 2 Commissioner) | Million Voices