substructure

[ suhb-struhk-cher, suhb-struhk- ]

noun

1. a structure forming the foundation of a building or other construction.
2. the foundations, piers, and abutments upon which the trusses or girders of the spans of a bridge rest.
3. any basic structure or organization.

substructure

/ ˈsʌbˌstrʌktʃə /

noun

1. a structure, pattern, etc, that forms the basis of anything
2. a structure forming a foundation or framework for a building or other construction

Derived Forms

• subˈstructural, adjective

Other Words From

• sub·structur·al adjective

Word History and Origins

Origin of substructure¹

First recorded in 1720–30; sub- + structure

Example Sentences

There is a risk that the barges could come into contact with the “substructure” of the bridge, the McKees Rocks Police Department said in a statement early Saturday confirming the closure.

From New York Times

The state must replace both the bridge’s superstructure and part or all of the substructure, he said.

From Seattle Times

The overall rating of a bridge is based on whether the condition of any one of its individual components — the deck, superstructure, substructure or culvert, if present — is rated poor or below.

From Seattle Times

They will repair and replace steel truss and substructure elements, as well as sway frames and timber sidewalks.

From Seattle Times

Last fall, a crew of six installed the sculpture’s substructure, made up of thin, stainless steel cables and rings supporting the individually installed cast pieces that were attached one by one.

From Seattle Times

Related Words

• arrangement
• construction
• education
• establishment
• formation
• groundwork
• measure
• plan
• precaution
• preparedness
• qualification
• rehearsal
• study
• training