Japan long bridge

apan is home to several record-breaking bridges, each remarkable in its own way:
Seto Ōhashi (Great Seto Bridge) 瀬戸大橋
Type: Six‑segment double‑deck truss, suspension, & cable‑stayed bridge network

Total length: ~12 – 13.1 km; carries both cars (upper) and trains (lower)
en.wikipedia.org
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en.matsuyama-sightseeing.com
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japan.travel
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japan.travel
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britannica.com
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mlit.go.jp
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Connects Honshu (Okayama) to Shikoku (Kagawa) over the Inland Sea via multiple islands, completed in 1988 after about 10 years of construction