The Concrete Bridges Subcommittee published “Concrete Bridges in Hokkaido,” a collection of pictures of concrete bridges in Hokkaido. “Concrete Bridges in Hokkaido” Vol. 1 was published in Dec. 1974, followed by Vol. 2 in Aug. 1987, Vol. 3 in Nov. 1993, Vol. 4 in Nov. 1999, and Vol. 5 in Dec. 2007. In 2015, the collection of concrete bridges used from 2004 to 2009 was published as Vol. 6.

Subcommittee chairman  KANOU Tamio　【Affiliation：Hokkaido Regional Development Bureau】