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Development and Verification of Web-based Bridge Monitoring Interface (JTRP SPR-3554)

The Virginia Ave Bridge over I-65 SB was selected for monitoring because it frequently fell victim to truck impacts owing to its relatively low clearance. S-BRITE Center researchers deployed a data acquisition system that included a datalogger, HD digital video camera, accelerometer, and cellular communications, capturing impact footage and sending immediate alerts to INDOT personnel.

With the advancement of many off-the-shelf data acquisition systems readily available today and the availability of high-speed wireless cellular networks, the potential for remote monitoring of critical bridges has never been better. Needs exist regarding scour and general structural response for long-term monitoring. However, short-term monitoring using quickly deployable, rugged systems are also desirable in cases where impact, fire, environmental effects, or other damage may occur.   These robust systems can be deployed rapidly, and endure harsh elements, enabling DOTs to constantly assess and monitor a structure, or a network of structures. Hence, the objective of this project was to explore the feasibility and proof of concept of using a web-based bridge monitoring interface for use on selected INDOT bridges for both short-term and long-term applications.

The Virginia Ave Bridge over I-65 SB was selected for monitoring. It is a steel plate girder bridge that frequently fell victim to truck impact as a result of relatively low clearance.  S-BRITE Center researchers deployed a data acquisition system that included a datalogger, HD digital video camera, accelerometer, and cellular communications. When the bridge was impacted the camera recorded the impact and the datalogger sent immediate email and text alerts to a designated group of people.  Thus, INDOT personnel who needed to know were instantly notified of the impacts.  The videos, as well as current conditions on site, could be checked at any time via the World Wide Web using the team’s graphical user interface (GUI).

The final report can be found here:

http://docs.lib.purdue.edu/jtrp/1535/ 

South Split Greatest Hits - Video compilation of truck impacts on the Virginia Ave bridge near Indianapolis:
http://www.youtube.com/watch?v=HoisCDmpSsU

Video clip of bridge impacts featured on The Today Show:
http://www.today.com/video/today/52619637#52619637

Video clip of bridge impacts featured on Good Morning America:
http://abcn.ws/1Evl8Tn