BRIDGE DETAILING GUIDE August 2018 BRIDGE DIVISION Table of Contents Chapter 1: Overview Section 1 — Overview .......................................................................................................... 1-2 Chapter 2: Department Specific Information Section 1 — Introduction ...................................................................................................... 2-2 Section 2 — Bridge Related Glossary .................................................................................. 2-3 Section 3 — Bridge Standards ............................................................................................ 2-10 Section 4 — Map Information ............................................................................................ 2-11 County Map .................................................................................................................................... 2-11 District and Headquarters Map ....................................................................................................... 2-12 County/Distrcit Listing ................................................................................................................... 2-13 Section 5 — Information Sheet for Structural Design ........................................................ 2-15 Section 6 — Specification/Special Provision Usage .......................................................... 2-16 Section 7 — Plan Sheet Set ................................................................................................ 2-17 Requirements and Sequencing........................................................................................................ 2-17 Preferred Order of Standards .......................................................................................................... 2-19 Chapter 3: Global Information Section 1 — Introduction ...................................................................................................... 3-2 Section 2 — Decimal Tables ................................................................................................ 3-3 Decimal Foot Table .......................................................................................................................... 3-3 Decimal Inch Table .......................................................................................................................... 3-3 Section 3 — Useful Math Formulae ..................................................................................... 3-4 Section 4 — Curve Information ........................................................................................... 3-5 Vertical Curves ................................................................................................................................. 3-5 Horizontal Curves ............................................................................................................................. 3-6 Section 5 — Conversion Information ................................................................................... 3-7 Section 6 — Materials Information ...................................................................................... 3-8 Chapter 4: General Sheet Detailing Information Section 1 — Introduction ...................................................................................................... 4-2 Section 2 — Sheet Information ............................................................................................ 4-3 Detailing Sheet ................................................................................................................................. 4-3 Title Block ........................................................................................................................................ 4-4 P.E. Seal ........................................................................................................................................... 4-5 Layout Sheets ................................................................................................................................... 4-6 Section 3 — Line Weights and Styles .................................................................................. 4-7 Section 4 — Working Scales Information ............................................................................ 4-8 Bridge Detailing Guide i TxDOT August 2018 Table of Contents (continued) Section 5 — Text Information .............................................................................................. 4-9 Text Fonts ......................................................................................................................................... 4-9 Text Sizes and Weights .................................................................................................................. 4-10 Text Usage ...................................................................................................................................... 4-11 Section 6 — Dimensioning Information ............................................................................. 4-13 Section 7 — Detailing Tolerances ...................................................................................... 4-14 Chapter 5: Reinforced Concrete Information Section 1 — Introduction ...................................................................................................... 5-2 Section 2 — Concrete Types ................................................................................................ 5-3 Classes and Usage ............................................................................................................................ 5-3 Aggregate ......................................................................................................................................... 5-4 Section 3 — Reinforcing Information .................................................................................. 5-5 Table of Standard Reinforcing Bars ................................................................................................. 5-5 Typical Bar Labeling ........................................................................................................................ 5-6 Reinforcing Development Length and Class B Splices .................................................................... 5-7 Concrete Slab Reinforcing Class B Lapped Splices ......................................................................... 5-9 Typical Bar Bends – 90° Anchorage Hook .................................................................................... 5-10 Typical Bar Bends – 180° Anchorage Hook .................................................................................. 5-11 Typical Bar Bends – Stirrup and Tie Bars ...................................................................................... 5-12 Section 4 — Typical Bar Cover Requirements .................................................................. 5-13 Chapter 6: Structural Steel Information Section 1 — Introduction ...................................................................................................... 6-2 Section 2 — ASTM Designations and Meanings ................................................................. 6-3 Bridge Structures .............................................................................................................................. 6-3 Non-Bridge Structures ...................................................................................................................... 6-3 Section 3 — Plate and Shape Designations .......................................................................... 6-4 Section 4 — Welded Connections Detailing ........................................................................ 6-5 Welding Symbols ............................................................................................................................. 6-5 Example Weld Symbols ................................................................................................................... 6-7 Section 5 — Bolted Connection Detailing ........................................................................... 6-8 Types of Bolts .................................................................................................................................. 6-8 High-Strength Bolting Terms and Definitions.................................................................................. 6-9 High-Strength Bolt Reference Tables ............................................................................................. 6-10 Chapter 7: Foundations Section 1 — Introduction ...................................................................................................... 7-2 Section 2 — Foundation Information ................................................................................... 7-3 FD Standard ...................................................................................................................................... 7-3 Drilled Shafts .................................................................................................................................... 7-3 Pilings ............................................................................................................................................... 7-4 Footings ............................................................................................................................................ 7-4 Unique Drilled Shaft Footing Example ...........................................................................................