ORONO, Maine — The “Bridge-in-a-Backpack” technology developed at the University of Maine and licensed to an Orono startup company has received a key approval that could speed its commercial adoption. The Bridge-in-a-Backpack was more than a decade in development at UMaine’s Advanced Structures and Composites Center. The technology is an innovative inflatable composite-concrete arch bridge that can reduce construction read more ‘Bridge-in-a-Backpack’ hits milestone