Number of steel bridges in Tokyo, Japan, 2019, by length
As of April 1, 2019, there were 172 steel bridges with a length ranging from 30 to 100 meters in Tokyo metropolis, Japan, according to the source. While their length added up to roughly 9.09 kilometers, bridges over 100 meters amounted to around 38.17 kilometers. In total, steel bridges had a range of approximately 50.47 kilometers. Despite their lower number, steel bridges covered a longer distance compared to concrete bridges.