After the collapse of bridges on interstate freeway, “America in Ruins” was published in early 1980’s which brought the impact on the improvement of the policies for aged infrastructures and related research activities.? However, bridge accidents have occurred almost every year still now.? The research on asset management for infrastructure and the measurements have been implemented in Japan, and additional policies were introduced especially after the collapse of the Sasago Tunnel in 2012.? In this forum the lessons from the US experience and require policies in engineering and institution will be discussed.

• Review

?

At the 88th GRIRPS Forum on January 6, 2014, Dr. Shigeru Morichi, a Ssenior pProfessor of GRIPS, gave a lecture titled “Key Issues for Decrepit Infrastructure Policies”. He explained about the present situation and challenges of decrepit infrastructure,s,　 improvement of fiscal institutions for maintenance, and what we should learn lessons to be gleaned from the aged infrastructure issue in the 1980s in the US. Aged Infrastructures of 1980s in the US.