More than 9% of major highway bridges in the US are “rated structurally deficient” and in need of “urgent attention”, according to Bud Wright, chief executive of AASHTO, the American Association of State Highway and Transportation Officials. Action is needed now. In a recent infrastructure report, AASHTO reported that the US has just over 614,000 road bridges, 25% of which are 50 or more years older. Also, around 56,000 - 9.1% - of them are now structurally deficient. This is a shocking and growing