classification after close visual inspection into stages*
Supplementary notes
*Stage I: Good. No structural deficiency. Stage II: Preventive maintenance. Preventive maintenance is desirable, although no structural deficiency is found. Stage III: Early rehabilitation. The structure needs early rehabilitation, or it can become deficient. Stage IV: Emergency rehabilitation. The structure needs emergency rehabilitation because it is deficient or will most likely become deficient.
Percentages may not total 100 due to rounding by the source.
Citation formats
Distribution of road bridge soundness in Japan 2025
As of March 2025, around *** percent of road bridges in Japan were in a critical condition that required immediate action to restore structural integrity. Over the span of ten years, more than *** thousand bridges received a close visual inspection.
Profit from the additional features of your individual account
Currently, you are using a shared account. To use individual functions (e.g., mark statistics as favourites, set
statistic alerts) please log in with your personal account.
If you are an admin, please authenticate by logging in again.
Learn more about how ÌÇÐÄÆƽâ°æ can support your business.
MLIT (Japan). (August 25, 2025). Distribution of inspection results of road bridge conditions in Japan as of March 2025 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 21, 2026, from /statistics/1231254/japan-share-road-bridge-conditions/
MLIT (Japan). "Distribution of inspection results of road bridge conditions in Japan as of March 2025." Chart. August 25, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 21, 2026. /statistics/1231254/japan-share-road-bridge-conditions/
MLIT (Japan). (2025). Distribution of inspection results of road bridge conditions in Japan as of March 2025. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 21, 2026. /statistics/1231254/japan-share-road-bridge-conditions/
MLIT (Japan). "Distribution of Inspection Results of Road Bridge Conditions in Japan as of March 2025." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 25 Aug 2025, /statistics/1231254/japan-share-road-bridge-conditions/
MLIT (Japan), Distribution of inspection results of road bridge conditions in Japan as of March 2025 ÌÇÐÄÆƽâ°æ, /statistics/1231254/japan-share-road-bridge-conditions/ (last visited July 21, 2026)
Distribution of inspection results of road bridge conditions in Japan as of March 2025 [Graph], MLIT (Japan), August 25, 2025. [Online]. Available: /statistics/1231254/japan-share-road-bridge-conditions/
