Three bridges along the Thimphu to Trashigang highway, the lifespan of which have expired, will be reconstructed with support from Japan International Cooperation Agency (JICA).
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/jica-help-reconstruct-three-bridges-along-thimphu-trashignag-highway
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/kuensel-bhutan
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/habitat-and-urbanisation
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bhutan
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/japan
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bridges
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-asia