Minnesota Department of Transportation Research Services Section
Bridge failure or loss of structural integrity can result from scour of riverbed sediment near bridge abutments or
piers during high-flow events in rivers. In the past 20 years, several methods of monitoring bridge scour have been
developed spanning a range of measurement approaches, complexities, costs, robustness, and measurement
resolutions. This project brings together the expertise of Minnesota Department of Transportation (Mn/DOT)
bridge engineers and researchers, university hydraulic and electrical engineers, field staff, and inspectors to take the
first steps toward development of robust scour monitoring for Minnesota river bridges. The team worked with
Mn/DOT engineers to identify variables of scour critical bridges that affect the application of scour monitoring
technology. The research team will used this information to develop a Scour Monitoring Decision Framework
(SMDF) that will aid Mn/DOT in selecting the best technologies for specific sites. The final component of the
project will involve testing the SMDF on five bridges in a case-study type demonstration; work plans for two of the
sites were developed for demonstration of deployed instrumentation.
Minnesota Department of Transportation
Research Services Section
Lueker, Matthew; Marr, Jeff; Ellis, Chris; Winsted, Vincent; Akula, Shankar Reddy.
Bridge Scour Monitoring Technologies: Development of Evaluation and Selection Protocols for Application on River Bridges in Minnesota.
Minnesota Department of Transportation Research Services Section.
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