People walked over the Hongo River in Fukuyama City, Japan on the MB4.0 temporary bridge. (Photo courtesy of Hiroshima University, Japan Construction Method and Machinery Research Institute, Hoshikei-kinzoku Industry Co.,Ltd., Akashin Co.,Ltd., Sankyo Tateyama, Inc., and Yokoyama Kisokouji Co.,Ltd.) Engineering 

Temporary Bridge for Emergency Evacuation

By Kate Stone Earthquakes, floods, tsunamis, and landslides, and other natural disasters can damage infrastructure, such as bridges. What can be done to aid the rapid evacuation of survivors and delivery of aid? Enter the Mobile Bridge® Version 4.0 (MB4.0), a new concept in temporary bridge construction. In the aftermath of a natural disaster, rapid repair of infrastructure is crucial. Expanding in just five minutes and capable of carrying automobiles, MB4.0 is being hailed as the world’s fastest, largest, strongest, and lightest expanding temporary bridge. It’s a new type of…

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