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Half viaduct

From Wikipedia, the free encyclopedia
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.[1]

References

[edit]
  1. ^ "State of Oregon: Historic Columbia River Highway - Viaducts". sos.oregon.gov. Retrieved 2025-02-03.