Racking in Bridge Construction: Temporary Support Systems

Definition

In bridge engineering, racking refers to the temporary structural support system used to hold a bridge deck or components during construction, repair, or replacement.

How It Works

• Steel beams, columns, and bracing are assembled beneath or beside the work zone.
• They carry loads safely while permanent elements are installed or adjusted.
• Designed by engineers, monitored throughout the process.
• Removed once permanent structure is self‑supporting.

Purpose

Ensures stability, worker safety, and prevents collapse during critical phases.