In the United States, aging civil infrastructure systems are deteriorating on a massive scale. A recent report by the American Society of Civil Engineers gave these systems a D+ rating nationwide on an A-F scale. Now scientists at the have developed smartphone-based technologies that can monitor civil infrastructure systems such as crumbing roads and aging bridges, potentially saving millions of lives.

Original source: https://www.sciencedaily.com/releases/2019/02/190211163956.htm