As of April 1, 2021, there were *** concrete bridges in Tokyo metropolis, Japan, which fell under the jurisdiction of the Governor of Tokyo. While they added up to roughly **** kilometers in length, steel bridges, despite their lower number, outperformed them in this regard.
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Tokyo Metropolitan Government. (April 25, 2022). Number of road bridges in Tokyo metropolis, Japan as of April 2021, by material used for superstructure [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/1180085/japan-road-bridges-number-tokyo-by-structure/
Tokyo Metropolitan Government. "Number of road bridges in Tokyo metropolis, Japan as of April 2021, by material used for superstructure." Chart. April 25, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/1180085/japan-road-bridges-number-tokyo-by-structure/
Tokyo Metropolitan Government. (2022). Number of road bridges in Tokyo metropolis, Japan as of April 2021, by material used for superstructure. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/1180085/japan-road-bridges-number-tokyo-by-structure/
Tokyo Metropolitan Government. "Number of Road Bridges in Tokyo Metropolis, Japan as of April 2021, by Material Used for Superstructure." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 25 Apr 2022, /statistics/1180085/japan-road-bridges-number-tokyo-by-structure/
Tokyo Metropolitan Government, Number of road bridges in Tokyo metropolis, Japan as of April 2021, by material used for superstructure ÌÇÐÄÆƽâ°æ, /statistics/1180085/japan-road-bridges-number-tokyo-by-structure/ (last visited July 26, 2026)
Number of road bridges in Tokyo metropolis, Japan as of April 2021, by material used for superstructure [Graph], Tokyo Metropolitan Government, April 25, 2022. [Online]. Available: /statistics/1180085/japan-road-bridges-number-tokyo-by-structure/
