February 8, 2023
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The American Association of State Highway and Transportation Officials has released Culvert and Storm Drain System Inspection Guide, 1st Edition

to provide inspectors with guidelines for routine condition assessment of culverts and/or storm drains, along with a reliable and reproducible method to rate the condition of all system components.

That component-based rating system will enable qualified inspectors to assess common distress types, evaluate their severity, understand their significance, and assign a numerical condition rating that is associated with recommendations of further action if necessary.

AASHTO said that it developed this guide as a resource to help various agencies develop and then operate culvert and storm drain inspection programs, as well as developing transportation asset management plans for culvert and storm drain system inventories.

The organization added that its guide also includes current information based on best practices in the area of culvert and storm drain system inspection, which agencies may use as a reference on which to build inspection, assessment, and management criteria best suited to their particular agency needs.

To order copies of AASHTO’s new culvert/storm drain inspection Guide, visit the AASHTO Store or click here.


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