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Honshu-Shikoku Bridge

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Honshu-Shikoku Bridge

Of the 17 long-span bridges spanning straits between the islands of Honshu and Shikoku (not including the Bannosu Viaduct, a long-span truss bridge, as it is an overland bridge), MIYAJI ENGINEERING GROUP has been involved in the construction of 10 (or 11, if the Bannosu Viaduct is included). Of these, we played an important role as the joint venture’s representative company in 9 of the bridges (or 10, if the Bannosu Viaduct is included).
We also played a central role in the construction of the Akashi-Kaikyo Bridge, Japan’s largest suspension bridge, and Tatara Bridge, Japan’s largest cable-stayed bridge.

Akashi-Kaikyo Bridge Ohnaruto Bridge Hitsuishijima Bridge Shimotsui-Seto Bridge Yoshima Bridge Kita Bisan-Seto Bridge,Minami Bisan-Seto Bridge Tatara Bridge Hakata-Ohshima Bridge Second Kurushima-Kaikyo Bridge Bannosu Viaduct
Ohnaruto Bridge
Akashi-Kaikyo Bridge
Shimotsui-Seto Bridge
Hitsuishijima Bridge
Yoshima Bridge
Kita Bisan-Seto Bridge,
Minami Bisan-Seto Bridge
Tatara Bridge
Hakata-Ohshima Bridge
Second Kurushima-Kaikyo Bridge
Bannosu Viaduct
Ohnaruto Bridge Ohnaruto Bridge Total length: 1,629 m, main span: 879.3 m, steel weight: 54,163 t; three-span continuous suspension bridge with a stiffening girder truss structure (completed in 1984)
Akashi-Kaikyo Bridge Akashi-Kaikyo Bridge Total length: 3,911.1 m, main span: 1,990.8 m, steel weight: 178,138 t; three-span continuous suspension bridge with a stiffening girder truss structure (completed in 1997)
Shimotsui-Seto Bridge Shimotsui-Seto Bridge Total length: 1,200 m, main span: 940 m, steel weight: 59,714 t; single-span suspension road-rail bridge with a stiffening girder truss structure (completed in 1986)
Hitsuishijima Bridge Hitsuishijima Bridge Total length: 840 m, main span: 420 m, steel weight: 33,796 t; three-span continuous cable-stayed, road-rail bridge with a stiffening girder truss structure (completed in 1986)
Yoshima Bridge Yoshima Bridge Total length: 588 m, main span: 245 m, steel weight: 22,136 t; three-span continuous upper-deck truss, road-rail bridge (completed in 1986)
Kita Bisan-Seto Bridge, Minami Bisan-Seto Bridge Kita Bisan-Seto Bridge, Minami Bisan-Seto Bridge Kita Bisan-Seto Bridge/Total length: 1,518 m, main span: 990 m, steel weight: 67,297 t
Minami Bisan-Seto Bridge/Total length: 1,628 m, main span: 1,100 m, steel weight: 79,952 t

Both of the bridges are three-span continuous suspension road-rail bridges with a stiffening girder truss structure (completed in 1986)
Tatara Bridge Tatara Bridge Total length: 1,480 m, main span: 890 m, steel weight: 31,888 t; three-span continuous cable-stayed bridge with box girder cross-section stiffening girders (completed in 1998)
Hakata-Ohshima Bridge Hakata-Ohshima Bridge Hakata Bridge/Total length: 327 m, main span: 145 m, steel weight: 2,992 t; three-span continuous steel deck box girder bridge (completed in 1986)
Ohshima Bridge/Total length: 840 m, main span: 556.2 m, steel weight: 9,386 t; single-span suspension bridge with box girder cross-section stiffening girders (completed in 1986)

* The Hakata and Ohshima Bridges are counted as one strait-spanning bridge (the Hakata-Ohshima Bridge).
Second Kurushima-Kaikyo Bridge Second Kurushima-Kaikyo Bridge Total length: 1,515 m, main span: 1,020 m, steel weight: 30,124 t; two-span suspension bridge with box girder cross-section stiffening girders (completed in 1998)
Bannosu Viaduct Bannosu Viaduct Total length: 483 m, main span: 180 m, steel weight: 14,647 t; three-span continuous upper-deck truss, road-rail bridge (completed in 1986)