Technical Committees

Committee 7 – Timber Structures

Structures Functional Group

This committee is responsible for the development and publication of recommended practices and information related to:

  • Definition and nomenclature of accepted standards and specifications for hardwoods, softwoods and engineered wood products.
  • Design criteria and usage of various types of wood and engineered wood products in railway bridge structures.
  • Design, construction and maintenance of timber railway bridge structures.



Walter F. Bleser, II, PE




Vice Chair

Christopher R. Frank

AVP Engineering

Genesee & Wyoming Inc.



Stephanie E. Swanson, P.E.

Engineer Bridge Inspection

BNSF Railway



The following ballots have now been approved by the Board of Directors in June 2018. The material will be included in the next edition of the applicable AREMA publication, and will be available for sale. For information on purchasing publications, please contact M. Bruins at +1.301.459.3200.

All AREMA materials, including pending ballots, are protected by international copyright laws.

Posted 06/06/18

Subcommittees and Current Assignments

Subcommittee A: Recommendations for further investigation and research.

Subcommittee B: Manual revision.

DB-1-15: Review of chapter contract language. Completion is scheduled for February 2018.

Subcommittee 2: Material Specifications and Design, Rating and Loading Requirements for Timber Structures.

C2-1-16: Review and update Parts 1-3 and associated Commentary of Chapter 7.
D2-1-14: The committee has tabled this assignment.
D2-1-15: The committee has tabled this assignment.

Subcommittee 3: Construction, maintenance and inspection of wood bridges and trestles.

C3-1-14: Review and update Parts 4 and 5 of Chapter 7.
D3-1-14: Review of pile driving formulae and recommended manual revision. Completion is scheduled for July 2016.