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

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

Appendix 108-1 - Sample Brass-LRFD Data File

Appendix 108-2 - Load Restriction Resolution

109 - Bridge Preservation Strategies

300 - Typical Bridge Design Detail