Definition of substructure
: an underlying or supporting part of a structure
substructuralplay \-chə-rəl, -shrəl\ adjective
Examples of substructure in a Sentence
The bridge's substructure was damaged.
Recent Examples of substructure from the Web
During an inspection in late March, the engineers detected significant decay in several areas of the timber substructure and recommended that the bridge be limited to automobile and pickup truck traffic only.
West 11th Avenue Bridge at Mile Branch repair project The bridge was closed to vehicular traffic on March 17 after an inspection by the state Department of Transportation and Development found deficiencies in the timber piling substructure.
With our recent heavy rains, however, all that water is finding its way into the pavement substructure, weakening it, and compromising the surface above, resulting in a pothole or other failures.
No glue, no mortar, no hidden substructure to ensure the 24-ton edifice doesn’t collapse—just really smart architecture.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'substructure.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of substructure
SUBSTRUCTURE Defined for English Language Learners
Definition of substructure for English Language Learners
: a supporting part or structure that is below something
Learn More about substructure
Britannica English: Translation of substructure for Arabic speakers
Seen and Heard
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