We provide technical support for survey, planning, design, construction and maintenance of domestic long-span bridges.
*Domestic technical supports since privatization
Bridge inspection
Advice in meeting with bridge inspection firm
Advice for bridge inspection
Advice for bridge inspection
[Support by contract]
- Ise Baymouth road (Chubu Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism)
- Kitan Strait road (Chubu Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism)
- Hoyo Strait road
(Shikoku Regional Development Bureau, and Kyushu Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism) - Kanmon Strait Road
(Chugoku Regional Development Bureau, and Kyushu Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism) - Tajiri Skybridge (Osaka Prefecture)
- Onomichi Bridge (Hiroshima Expressway public corporation)
- Bizen Hinase Ohashi (Bizen City)
- Awa Shirasagi Ohashi (Tokushima Prefecture)
- Kamiyoshinogawa Bridge, Yanase Bridge (Kochi Prefecture)
- Ikina Bridge, Iwagi Bridge (Ehime Prefecture)
- Wakato Bridge (Kitakyushu City Road public corporation)
- Hirado Bridge (Nagasaki Prefecture highway public corporation)
[Technical committee]
- Tokyo Bay Highway (Kanto Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism)
- Kawasaki Port Road
(Kanto Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism) - Osaka Bay Coastal Road
(Kinki Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism) - Iwagi Bridge (Ehime Prefecture)
- Wakato Bridge (Kitakyushu City Road public corporation)
- Shin-tenmon Bridge (Kumamoto Prefecture)
[Others]
- Sennin Toge Road (Tohoku Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism)
- Rainbow Bridge (Metropolitan Expressway)
- Toyoshima Bridge, 2nd Ondo Bridge, Hiroshima Airport Bridge in Hiroshima Central Flight Road (Hiroshima Prefecture)
- Kanmon Bridge (West Nippon expressway Company)
- Ariake Sea Coastal Road (Kyushu Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism)