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

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