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The Bridge Collapse and Flood Detection System using Quick Response is designed to enhance public safety by providing early warnings of bridge failure or flooding conditions. The system uses multiple sensors such as a DHT11 (temperature and humidity sensor), water level/county sensor, and ultrasonic sensor (SR04) to continuously monitor environmental and structural conditions of the bridge. The heart of the system is an ATmega328 microcontroller, which processes sensor data and detects abnormal parameters like excessive water level, humidity, or bridge displacement. In the event of critical conditions indicating possible flooding or bridge collapse, the system immediately triggers buzzer alarm and controls a servo motor (SG90) for mechanical response (e.g., barrier control). Simultaneously, through ESP8266 Wi-Fi and GSM module interfacing, the system transmits real time alerts to authorities or users’ mobile devices, ensuring rapid response. The system is powered by a regulated +5V DC supply derived from an LM7805 voltage regulator circuit connected to abridge rectifier and transformer. This project effectively demonstrates an IoT-based safety monitoring system capable of early detection and instant communication, reducing risks of accidents due to bridge collapse or flooding.
Keywords:
DHT11, GSM module, LM7809 voltage regulator, ESP8266 Wi-Fi, ATmega328Microcontroller, Servo motor
Cite Article:
"BRIDGE COLLAPSE AND FLOOD DETECTION USING QUICK RESPONSE", International Journal for Research Trends and Innovation (www.ijrti.org), ISSN:2456-3315, Vol.11, Issue 5, page no.a679-a683, May-2026, Available :http://www.ijrti.org/papers/IJRTI2605083.pdf
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ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator