Structural Health Monitoring System for Suramadu Bridge Using FBG Sensors and OPC UA Challenges Developing a scalable and future-proof structural health monitoring system (SHMS) for one of Indonesia’s longest bridges—Jembatan Suramadu. The system must support more than 190 distributed Fiber Bragg Grating (FBG) strain sensors, deliver real-time data acquisition, and publish results to a centralized server for continuous evaluation. Haliatech