|Structure name||Heigen-ohashi Bridge|
|Structure type||①PC 3-span continuous box girder bridge
②PC 1-span box girder bridge
③PC 3-span continuous box girder bridge
④PC 2-span continuous box girder bridge
|Structural factors||Length of bridge 755.00ｍ
Span length ①105.0+170.0+105.0m、②60.45m
|Client||Obihiro Development and Consutruction Dept.,Hokkaido Regional Development Bureau|
|Contractor||①②Sumitomo Mitsui Construction Co.,Ltd、
③④Joint-venture group Oriental Shiraishi Co・IHI Construction Service Co.,Ltd
|Route name||Number 241 of national highway|
This bridge is a long PC bridge constructed across the Tokachi River, the main span of which is the longest in Hokkaido (170 meters). Construction was carried out carefully considering the potential for crack formation due to heat of hydration and the severe exposure environment, which may sometimes reach below -30C, and the earthquake loading, for which earthquake response analysis was performed.
In addition, this bridge is popular as a viewpoint overlooking the magnificent Hidaka mountain range and the Tokachi Plain.
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