As of March 31, 2023, girder bridges were by far the most common type of bridge structure in Japan, adding up to approximately * thousand bridges. They moreover outperformed any of the other bridge structures in respect to their accumulated length.
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MLIT (Japan). (March 31, 2025). Number of road bridges in Japan as of March 2023, by structure (in 1,000s) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 16, 2026, from /statistics/1228937/japan-bridge-number-by-structure/
MLIT (Japan). "Number of road bridges in Japan as of March 2023, by structure (in 1,000s)." Chart. March 31, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 16, 2026. /statistics/1228937/japan-bridge-number-by-structure/
MLIT (Japan). (2025). Number of road bridges in Japan as of March 2023, by structure (in 1,000s). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 16, 2026. /statistics/1228937/japan-bridge-number-by-structure/
MLIT (Japan). "Number of Road Bridges in Japan as of March 2023, by Structure (in 1,000s)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 31 Mar 2025, /statistics/1228937/japan-bridge-number-by-structure/
MLIT (Japan), Number of road bridges in Japan as of March 2023, by structure (in 1,000s) ÌÇÐÄÆƽâ°æ, /statistics/1228937/japan-bridge-number-by-structure/ (last visited July 16, 2026)
Number of road bridges in Japan as of March 2023, by structure (in 1,000s) [Graph], MLIT (Japan), March 31, 2025. [Online]. Available: /statistics/1228937/japan-bridge-number-by-structure/
