Half viaduct
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/49/HAER_HCRH_OR-36-J-6.jpg/220px-HAER_HCRH_OR-36-J-6.jpg)
A half viaduct on the Historic Columbia River Highway
A half viaduct is a type of viaduct built into a hillside, where only part of the road is supported by the structure.
Categories:
- Road infrastructure
- Road stubs