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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

Appendix 104-1: Hydraulic Field Assessment Checklist

Appendix 104-2: Hydraulic Survey Form

Appendix 104-3: H&H Report Hydraulic Data Summary Sheet

Appendix 104-4: H&H Report Sample Format

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

110 - Ancillary Structures

111 - Construction Coordination

300 - Typical Bridge Design Detail