Why are iron bridges so strong and isn't it enough to make them thick?😱 Have you ever wondered how such huge bridges bear the weight of such heavy trucks? Watch the amazing engineering behind the I-Beam and Box Girder in this video! 🌉🏗️​ #CivilEngineering #BridgeConstruction #ScienceFacts #EngineeringMarvels #MdSoyeb008 #ConstructionSecrets #📲टेक्नोलॉजी स्टेटस📽️ #⚙️टेक्नोलॉजी हैक⚡ #📱लेटेस्ट गैजेट्स💻 #Viral