Three Routes across the Seto Inland Sea
|
The
Honshu - Shikoku Bridges in Japan Three Routes across the Seto Inland Sea |
Kobe
- Naruto Route
6
lane Highway opened to traffic in 1998
Double track for Shinkansen line (not opened)
| Name | Total length |
No. of spans |
Longest span |
Construction periode |
Comments |
 Akashi Kaikyo Bridge |
3 911 m | 3 | 1991 m | 1988 - 1998 | Suspension bridge. The World's longest center span |
| Ohnaruto Bridge | 1 629 m | 3 | 876 m | 1976 - 1985 | Suspension bridge |
Kojima
- Sakaide Route
4
lane Highway opened to traffic in 1988
Double track for ordinary railway on lower deck
Additional two tracks for a future Shinkansen line
| Name | Total length |
No. of spans |
Longest span |
Construction periode |
Comments |
| Shimotsui-seto Bridge | 1 447 m | 3 | 940 m | 1981 - 1988 | Suspension bridge |
| Hitsuishijima Viaduct | 1316 m | 29 | 1982 - 1988 | ||
| Iwakurojima Bridge | 792 m | 3 | 420 m | 1981 - 1988 | Suspension bridge |
| Yoshima Bridge | 877 m | 5 | 1983 - 1988 | Girder bridge | |
| Yoshima Viaduct | 717 m | 11 | |||
| Kita Bisan-seto Bridge | 1 611 m | 3 | 990 m | 1979 - 1988 | Suspension bridge |
| Minami Bisan-seto Bridge | 1 723 m | 3 | 1 100 m | 1979 - 1988 | Suspension bridge |
| Bannosu Viaduct | 12 | - 1988 |
Onomichi
- Imabari Route
4
lane Highway
| Name | Total length |
No. of spans |
Longest span |
Construction periode |
Comments |
| Onomichi Bridge | 385 m | 3 | 215 m | Steel cable-stayed bridge | |
| Shin-Onomichi Bridge | 546 m | 5 | 215 m | 1996 - 1999 | Steel cable-stayed bridge |
| Innoshima Bridge | 1 270 m | 3 | 770 m | 1977 - 1983 | Suspension bridge |
| Ikuchi Bridge | 790 m | 7 | 490 m | 1986 - 1991 | Steel cable-stayed bridge |
| Ohmishima Bridge | 297 m | 1 | 297 m | 1976 - 1979 | Steel solid-rib arch bridge |
| Tatara Bridge | 1 480 m | 6 | 890 m | 1990 - 1999 | The World's longest cable-stayed bridge |
| Hakata-Ohshima Bridges (1) | 325 m | 3 | 145 m | 1981 - 1988 | Prestressed concrete bridge |
| Hakata-Ohshima Bridges (2) | 840 m | 9 | 560 m | 1981 - 1988 | Suspension bridge |
| 1st Kurushima Kaikyo Bridge | 960 m | 3 | 600 m | 1990 - 1999 | Suspension bridge |
| 2nd Kurushima Kaikyo Bridge | 1 515 m | 5 | 1 020 m | 1990 - 1999 | Suspension bridge |
| 3rd Kurushima Kaikyo Bridge | 1 570 m | 7 | 1 030 m | 1990 - 1999 | Suspension bridge |
Source: Honshu - Shikoku Bridge Authority
This page was last modified on September 30, 2001