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Masonry Arches Half-Through and Deck type Metallic Underbridges Metallic Occupation & Accommodation Overbridge Metallic and Concrete Footbridges Deck type Concrete Underbridges Concrete Occupation & Accommodation Overbridges

Level 0 Assessment Tools

Guidance Notes and Further Information

Mott MacDonald is a global management, engineering and development consultancy adding value for public and private clients on agenda-setting projects worldwide.

Welcome to the Official page for Level 0 suite Assessment Tools.
These tools are used to undertake structural assessment of Network Rail Owned Bridge assets.

The Level 0 Assessment suite of Tools contains 7 Tools:

  • MA      –  Masonry arch
  • UBM   –  Underbridge metallic
  • OBM   –  Overbridge metallic
  • FBM   –  Footbridge metallic
  • UBC   –  Underbridge concrete
  • FBC   –  Footbridge concrete
  • OBC   –  Overbridge concrete


You can download the Guidance Notes for each Tool at the bottom of this page.
The Tools and authorisation to use the tools is to be obtained from Network Rail.



To develop innovative software based bridge structural assessment Tools and updated processes, to increase efficiency.



Mott MacDonald developed the Level 0 Suite of Assessment Tools for Network Rail. The Level 0 Assessment Tool is an accurate, reliable and time efficient platform for desk based bridge assessments, by using currently available structural and condition information.


Training and Support

Mott MacDonald provides training on how to use the Assessment Tool, and helpdesk support for the user.


Features of the Level 0 Assessment Tools

Level 0 Features of Tool





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