Length of road bridges in Japan 2013-2022

As of March 31, 2022, Japan counted approximately 11.65 thousand kilometers of road bridges, increasing from around 11.59 thousand kilometers in the previous year. This was the highest value during the surveyed period.截至2022年3月31日，日本总计拥有约11.65千公里的公路桥梁，较上年同期增长约0.06千公里。在此调查期间，这一数值达到了历史最高点。