Structure / End support
Abutment
/əˈbʌt.mənt/noun
From Old French abouter, “to join end to end.”
Definition
The structure at the end of a bridge or arch that receives its vertical load and resists its outward thrust.
Fig. 50 — Abutment: schematic studyNOT TO SCALE
Illustrative study — Abutment · AI-generatedSAMPLE IMAGE
Photo study — Abutment · AI-generated00:06
Structural & construction notes
Abutments work by weight and bearing, often retaining the approach embankment as well. Foundations must suit ground conditions, and movement joints accommodate thermal expansion of the span.
An educational reference. Project-specific design requires professional guidance.