Forest Roads Timber Bridge Inspection and Maintenance Guide

There are over a hundred forest and multi-use bridges in the province of Quebec providing access to public forest land and its resources. To ensure the longer lifespan of timber forest bridges and increase the use of wood in their construction, FPInnovations launches the Forest Roads Timber Bridge Inspection and Maintenance Guide.

This new guide aims to facilitate and enhance the use of wood in forest bridges by standardizing their inspection and maintenance, through an understanding of the impact of use conditions and environmental factors on their service life. It also aims to provide information on suitable non-destructive inspection techniques for wood, as well as the tools available for monitoring them.

The guide is intended to anyone having to inspect or maintain timber bridges in order to preserve their integrity and reliability.

Produced by FPInnovations’ wood construction and protection experts with financial contribution of the ministère des Ressources naturelles et des Forêts du Québec, the guide also benefited from the support of a committee of industry experts for its development and review.

The guide covers the following topics:

• Introduction on bridge protection
• Review of wood properties and visual characteristics
• Various steps related to inspection
• Maintenance approaches and methods
• Monitoring of the structures condition

The guide also includes useful appendices:

• Check list of visual inspection
• Protocol for measuring moisture content
• Protocol for measuring drill resistance
• Evaluation table of the general condition of a bridge
• Required equipment and tools

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