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In just over a decade, more than half Japan's road bridges and tunnels will be at least 50 years old, an age widely seen as marking the end of the normal life span for infrastructure.
Datawatch

Aging infrastructure a major roadblock to Japan's future

About 60% of road bridges, 40% of tunnels will be at least 50 years old by 2033

TAKANORI OKABE, Nikkei staff writer | Japan

TOKYO -- When collapsing ceiling panels killed nine people in a tunnel on a busy expressway in central Japan in 2012, the government pledged to inspect and repair aging infrastructure around the country.

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