Zenitaka Major Works
Road
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Kawauchi Viaduct and 2 Bridges Seismic Reinforcement Work, Sanyo Expressway
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Nakoso tunnel, Route 6
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Substructure Construction of Takatsuki East Viaduct, Shin-Meishin Expressway
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Ojirakawa-ohashi (Bridge), National Road 158
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Akaiwa East Area Disaster Restoraction on Route 210, Oita
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Hodumi Viaduct and 3 bridges Seismic Reinforcement Work,
Meishin Expressway -
Miyazaki Viaduct Seismic Reinforcement Work,
Higashi-Kyushu Expressway -
Shinakka Bridge, National Route 45
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Chubu-Odan Obigane No.1 tunnel
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Source of the Nile Bridge
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Route 45 Settai road
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Takamatsu Expressway Shido tunnel
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Superstructure of Katsuragawa bridge, Otsuki bypass
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Princilpal local road Ofunato Ryori Sanriku line Koishihama tunnel (tentative)
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Tanba-Ayabe road Yuragawa-river bridge
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Kinki Expressway Kisei line Hikigawa Bridge A1-P8 superstructure
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The Central Circular Route Shinagawa Line, Metropolitan Expressway
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Sekiguchi Viaduct , Metropolitan Inter-City Expressway
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Kaneda Viaduct , Metropolitan Inter-City Expressway
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Nosakadake Tunnel , Maizuru-Wakasa Expressway
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Tokyo Circular Route 2 Underground Tunnel
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Shin Takeoka Tunnel, Kagoshima Route 3
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Joban Expressway Somaminami Construction
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Kiribarugawa Bridge, Higashi-Kyushu Expressway
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Saga Route 497 Yukiainogawa Bridge
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Obama Section, Maiduru-Wakasa Expressway
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Sugimata Tunnel
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Yumekake-ohashi (Bridge)
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Fushiki Toyama Port Shinminato Bridge
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Hinheup Bridge
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Warumi-ohashi (Bridge)
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Nagasawagawa Bridge, Shikoku Tranversal Expressway
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Kegoya Tunnel, National Highway Route 487
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Osanica Bridge
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Bogatici Bridge
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Nagasaki expressway himi bridge (PC superstructure)
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Himi-bashi (Bridge), Nagasaki Driveway
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Kunimi-ohashi (Bridge)
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Road 168 Nanairo No.3 bridge
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Tomata Dam, Kuta-ohashi (Bridge)
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Obatani Loop Bridge, National Highway Route 169
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Daiichichichishigawa Bridge, Kinki Expressway Tsuruga Line
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Watado Bridge, Ban-Etsu Expressway
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Hosonodaiichi Bridge, Kochi Expressway
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Mori Tunnel, Joshinetus Driveway
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Shinji Junction, Chugoku Transversal Expressway
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Yamaguchi 1st Construction Secion, Hanshin Expressway Kita-Kobe line
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Shin-tomei expressway Kisogawa bridge (Twinkle)
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Arashiyama Tunnel, Hokkaido Expressway
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Sakae Bridge, Otani Sakae Line
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Takadate Bridge, Iwate Prefectural Road Aikawa-Hiraizumi Line
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Ishibashi Construction, Kita Kanto Expressway
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Terabuchi-bashi (Bridge)
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Kujira Bridge (Inagi-chuo koen connecting bridge)
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Trans-Tokyo Bay Highway(Tokyo Bay Aqua-Line) Central Tunnel
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Kushibiki Construction, Yamagata Expessway
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Kamikawa Construction, Ban-Etsu Expressway
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Tomei Expressway Tomei Ashigara higashi bridge (superstructure)
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Ikuchi Bridge superstructure (Setouchi Shimanami Kaido road)
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Seto-ohashi (Bridge)
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Kan-Etsu Expressway Nagaigawa Bridge
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Agatsuma Bridge
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Tsukuda Bridge
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Kachidoki-bashi (Drawbridge Representing Shout of Victory)
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Azuma-bashi (Bridge)
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Watanabe Bridge
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Higo-bashi (Bridge)
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Dojimagawa Kadouzeki (Canal Gates)
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Former Setanokara-hashi (Bridge)