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Welcome to the Delaware Department of Transportation's Bridge Design Manual

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This is the development version of the BDM, expected to be published in 2022. The version in development will always display the https://bridgedesignmanual.deldot.gov URL. The current (2021) manual is on the DRC (in PDF format) and has been transferred to wiki format at https://bridgedesignmanual.deldot.gov for purposes of creating this stage development site.

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Manual Sections

• 101 - Introduction
• 102 - Bridge Design Submission Requirements
• 103 - Bridge Geometry and Structure Type Selection
• 104 - Hydrology and Hydraulics
• 105 - Geotechnical Investigations
• 106 - Final Design Consideration - Superstructure
• 107 - Final Design Consideration - Substructure
• 108 - Bridge Load Rating
• 109 - Bridge Preservation Strategies
• 110 - Ancillary Structures
• 111 - Construction Coordination
• 200 - DelDOT References to AASHTO Manual
• 300 - Typical Bridge Design Detail

Additional Reference

• Signature Page
• Table of Contents
• List of Tables
• List of Figures
• Abbreviations and Acronyms
• Changelog
• Archived Manuals

Useful DelDOT Links

• Design Resource Center
• Standard Specifications
• Road Design Manual
• Design Guidance Memorandums
• DelDOT Gateway