Photograph source：「Concrete Bridges in Hokkaido Vol 6 2004～2009」（Concrete Research Commirree, Association for Civil Engineering Tecnology of Hokkaido）
| Structure name | Torizakigawa Bridge |
|---|---|
| Structure type | PC 11-span continuous box girder bridge with corrugated steel plate webs |
| Structural factors | Length of bridge 554.0m Span length 51.8+4@54.5+56.0+3@50.0+40.0+35.8m |
| Client | East Nippon Expressway Company Limited. |
| Designer | Japan Bridge & structure Institute,Inc. |
| Contractor | Joint-venture group Taisei Co.・Tekken Co. |
| Location | Mori town. |
| Route name | HOKKAIDO EXPRESSWAY. |
| Completion date | 2006. |
| Overview | This bridge was constructed using a unique method. The features of this method include using a light structure composed of corrugated steel web, a steel upper chord member and super high-strength fiber-reinforced concrete lower chord member in the main girder, on which upper and lower slabs were placed after extrusion, thus forming the completed main girder. To implement this unique construction method, model experiments and analysis were carried out, and the design and construction were considered in detail. This bridge was awarded the 2006 Japan Society of Civil Engineering Hokkaido Branch Technology Award, and the 2008 Japan Prestressed Concrete Institute Award (technology development category).
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