PWPM Wiki

Bridge Construction RAID Log

This is a practical guide to building a raid log for a bridge construction project — a consolidated log of Risks, Assumptions, Issues and Dependencies, adapted to the realities of designing and building a bridge.

What a RAID Log is

A raid log is a consolidated log of Risks, Assumptions, Issues and Dependencies. For the full concept and how it works in general, see RAID Log. On a bridge construction project it plays the same role, tuned to this kind of work.

Why it matters for a Bridge Construction project

Bridge Construction projects live or die on designing and building a bridge. A well-built raid log gives the team a shared, explicit reference for exactly that — reducing ambiguity, aligning stakeholders, and making problems visible early enough to act. Skipping it, or doing it generically, is how bridge construction projects drift into avoidable delay and cost.

What to include

  • Risks
  • Assumptions
  • Issues
  • Dependencies
  • Owners and status

Bridge Construction-specific considerations

Tailor the raid log to the risks that most often derail bridge construction projects:

  • Engineering and design risk
  • Environmental approvals
  • Complex logistics

Example

On a real bridge construction project, the raid log would be shaped by designing and building a bridge. In particular, it should explicitly account for the project’s biggest risks — engineering and design risk, environmental approvals, complex logistics — rather than treating them as afterthoughts.