Dec 3-5, 2025  •  Morial Convention Center  •  New Orleans, LA

Agenda Session

Techniques in Finding and Quantifying Scour and Undermining in Fast Currents

Dec 05 2025

10:45 PM - 11:15 PM CST

UI Think Tank

Sonar technology, specifically underwater imaging, has carved out a place in underwater structural inspection, and one great use of the technology is the identifying and quantifying of scour holes and areas of undermining at bridge piers in waterways that have fast currents. My presentation will go through advantages and limitations of traditional diving methods in such conditions, types of sonar technology often used to scan bridge piers, and tips/tricks for getting optimum images. I will highlight my personal experiences in these types of inspections and conclude with how the inspection data (via diving or sonar) is used for design of effective scour countermeasures.

Speakers

Collins Engineers, Inc.

- Lead Engineer - Inspections

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