Decision Making Tools: Bridge Scour (IMAGE) Michigan Technological University Caption Bridges like the Portage Lift Bridge in Michigan's Keweenaw Peninsula will be less impacted by sea level rise than others. Some may be prone to bridge scour and flooding. Michigan Tech engineers want to offer technical expertise but also decision making tools to help cities, regions, and nations deal with environmental challenges. Credit Sarah Bird/Michigan Tech Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.