Memo To Designers

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Section: Title: Date of Memo:
  Section 1 General (Policy and Procedure)
1-0 Implementation Memo (PDF) Jan-15
1-0 1-0 Development, Approval, Maintenance, & Termination of Memo to Designers (PDF) Jan-15
1-8 1-8 Implementation Memo (PDF) Jan-15
1-8 1-8 Planning Studies (PDF) Jan-15
1-10 1-10 Considering Bridge Security During Design (Metric) (PDF) Aug-04
1-29 1-29 Implementation Memo (PDF) Dec-14
1-29 1-29 Structure Type Selection (PDF) Dec-14
1-29 Attachment 1 1-29 Attachment 1 Request for Type Selection Meeting (PDF) Dec-14
1-29 Attachment 2 1-29 Attachment 2 Type Selection Issues, Topics, and Items for Consideration (PDF) Dec-14
1-29 Attachment 3 1-29 Attachment 3 Sample Structure Type Selection Memo and Report (PDF) Dec-14
1-29 Attachment 4 1-29 Attachment 4 Sample Type Selection Meeting Sign-In Sheet (PDF) Dec-14
1-29 Attachment 5 1-29 Attachment 5 Sample Type Selection Meeting Minutes (PDF) Dec-14
1-31 1-31 Constructability Reviews For Structures Projects (PDF) Oct-09
1-31 Attachment 1 1-31 Attachment 1 Constructability Reviews For Structures Projects (PDF) Oct-09
1-47 1-47 General Notes (PDF) Apr-10
1-47 Attachment 1 1-47 Attachment 1 Load Factor Design or Load and Resistance Factor Design (PDF) Aug-10
1-47 Attachment 2 1-47 Attachment 2 Preface to California Amendments, 4th Ed. Amended Articles (PDF) Sep-09

Section 2 Plan Preparation
Section: Title: Date of Memo:
2-2 2-2 Deck Contour (Metric) (PDF) Jan-99
2-2 Attachment 1 2-2 Attachment 1 From DS-D134 (Rev 12/88)(Metric) (PDF) Jan-99
2-12 2-12 Implementation Memo (PDF) Oct-12
2-12 2-12 Special Design Earth Retaining Systems Numbering (PDF) Oct-12
2-12 Attachment A 2-12 Attachment A Request for Earth Retaining Structures Bridge Number (ERSBrNo Form) (PDF) Oct-12

Section 3 Piles
Section: Title: Date of Memo:
3-0 3-0 Pile Foundation Design (PDF) Mar-89
3-1 3-1 Implementation Memo (PDF) Jun-14
3-1 3-1 Deep Foundations (PDF) Jun-14
3-1 Attachment 1 3-1 Attachment 1 Design Procedure and Examples (PDF) Jun-14
3-1 Attachment 2 3-1 Attachment 2 CIDH Inspection Tubes (PDF) Jun-14
3-1 Attachment 3 3-1 Attachment 3 Equivalent Standard Metric Sizes (PDF) Jun-14
3-4 3-4 Piles Adjacent to Existing Roadway or Private Property (PDF) Oct-88
3-7 3-7 Implementation Memo (PDF) Apr-12
3-7 3-7 Design Data Documentation and Evaluation of Anomalous Concrete Shafts (PDF) Apr-12
3-7 Attachment 1 3-7 Attachment 1 Shaft Design Information Forms (PDF) Apr-12
3-7 Attachment 2 3-7 Attachment 2 Example of Evaluation Process (PDF) Apr-12
3-7 Attachment 3 3-7 Attachment 3 Pile Design Data Form (GGL) (PDF) Apr-12
3-7 Attachment 4 3-7 Attachment 4 Pile Design Data Form (CSL) (PDF) Apr-12
3-8 3-8 Implementation Memo (PDF) Oct-16
3-8 3-8 Tip Post-Grouting of Drilled Shafts (PDF) Oct-16

Section 4 Footings
Section: Title: Date of Memo:
4-1 4-1 Implementation Memo (PDF) Apr-14
4-1 4-1 Spread Footings (PDF) Apr-14
4-1 Attachment 1 4-1 Attachment 1 Preliminary Foundation Design Data Sheet (PDF) Apr-14
4-1 Attachment 2 4-1 Attachment 2 Foundation Geotechnical Data Table (PDF) Apr-14
4-1 Attachment 3 4-1 Attachment 3 Bridge Foundation loads (PDF) Apr-14
4-1 Attachment 4 4-1 Attachment 4 Foundation Design Data Sheet (PDF) Apr-14
4-1 Attachment 5 4-1 Attachment 5 Spread Footing Data Tables (PDF) Apr-14
4-2 4-2 Superimpose Footing Locations on Log of Test Borings Sheet (PDF) Oct-88

Section 5 Abutments and Retaining Walls
Section: Title: Date of Memo:
5-1 5-1 Implementation Memo (PDF) Mar-17
5-1 5-1 Abutments (PDF) Mar-17
5-1 Attachment 1 5-1 Attachment 1 Attachment 1 (PDF) Mar-17
5-2 5-2 Diaphragm Abutments (PDF) Oct-92
5-2 5-2 Diaphragm Abutments (Metric) (PDF) May-96
5-3 5-3 Structure Approach (PDF) Dec-92
5-3 5-3 Structure Approach (Metric) (PDF) May-96
5-3 Attachment A 5-3 Attachment A Selection Process for Structure Approach Pavement System on PCC Pavement (Metric) (PDF) May-96
5-3 Attachment B 5-3 Attachment B Selection Process for Structure Approach Pavement System on AC Pavement (Metric) (PDF) May-96
5-5 5-5 Implementation Memo (PDF) Apr-14
5-5 5-5 Design Criteria of Standard Earth Retaining Systems (PDF) Apr-14
5-7 5-7 Earth Retaining System Safety Railing (Metric) (PDF) Jan-05
5-10 5-10 Slope Treatment Under Structures (PDF) Apr-89
5-12 5-12 Earth Retaining Systems Using Ground Anchors (PDF) Jun-12
5-14 5-14 Review of Shop Drawings for Ground Anchors (PDF) Jun-12
5-16 5-16 Review of Working Drawings for Proprietary Earth Retaining Systems (PDF) Apr-92
5-18 5-18 Soil Nail Walls (PDF) Jan-91
5-18 Attachment A 5-18 Attachment A Soil Nail Working Drawings Review Process (Interim) (PDF) Oct-04
5-19 5-19 Implementation Memo (PDF) Jul-15
5-19 5-19 Earth Retaining Systems Communication (PDF) Jul-15
5-19 Attachment A 5-19 Attachment A Earth Retaining Systems Communication (PDF) Jul-15
5-20 5-20 Foundation Report/Geotechnical Design Report Checklist for Earth Retaining Systems (Metric) (PDF) Aug-04

Section 6 Bents and Piers
Section: Title: Date of Memo:
6-1 6-1 Column Analysis Considerations (PDF) Feb-09
6-5 6-5 Reinforced Concrete Pier Walls (Metric) (PDF) Feb-99
6-5 Attachment 1 6-5 Attachment 1 Percentage and Spacing Requirements for Pier Wall Reinforcement (Metric) (PDF) Feb-99
6-5 Attachment 2 6-5 Attachment 2 Pier Wall Example Reinforcement for Lightly Loaded Walls (Metric) (PDF) Feb-99
  Section 7 Bearing & Expansion Devices
Section: Title: Date of Memo:
7-1 7-1 Bridge Bearings (PDF) Jun-94
7-1 Attachment 1 7-1 Attachment 1 Prestress Shortening (PDF) Jun-94
7-1 Attachment 2 7-1 Attachment 2 Structure for Examples 2 and 3 (PDF) Jun-94
7-1 Attachment 3 7-1 Attachment 3 Structure for Examples 4 and 5 (PDF) Jun-94
7-1 Attachment 4 7-1 Attachment 4 PTFE/Spherical Expansion Bearing Details (PDF) Jun-94
7-10 7-10 Bridge Deck Joints and Deck Joint Seals (PDF) Jun-94
7-10 Attachment 1 7-10 Attachment 1 Calculation of Points of No Movement (PDF) Sep-94
7-10 Attachment 2 7-10 Attachment 2 Joint Movements Calculations (PDF) Sep-94
7-10 Attachment 3 7-10 Attachment 3 Maximum Contributory Structure Length (PDF) Sep-94
7-10 Attachment 4 7-10 Attachment 4 Prestress Shortening (PDF) Sep-94
7-10 Attachment 5 Approximate Properties for Preformed Elastomeric Joint Seals
Type B Manufacturer's Nominal Properties for Design Data Only (PDF)
Sep-94
7-10 Attachment 6 7-10 Attachment 6 Typical Alternate Joint Seal Assembly (PDF) Sep-94
7-10 Attachment 7 7-10 Attachment 7 Size Blockout Dimensions (PDF) Sep-94
7-10 Attachment 8 7-10 Attachment 8 Typical Modular Joint Seal Assembly (PDF) Sep-94
7-10 Attachment 9 7-10 Attachment 9 Bridge Deck Joint Rehabilitation Projects (PDF) Sep-94
  Section 8 Deck Slabs
Section: Title: Date of Memo:
8-2 8-2 Protection Against Deicing Chemicals and Freeze-Thaw Environment (PDF) Dec-13
8-2 Attachment 1 8-2 Attachment 1 Table 1 (PDF) Dec-13
8-2 Attachment 2 8-2 Attachment 2 California State Highways Environmental Areas (PDF) Dec-13
8-2 Attachment 3 8-2 Attachment 3 Table 2 Freeze-Thaw Areas (PDF) Dec-13
8-5 8-5 Overlays on Existing Bridge Decks (Metric) (PDF) May-96
8-6 8-6 Implementation Memo (PDF) Sep-16
8-6 8-6 Stay-in-Place Precast Prestressed Concrete Deck Panels For Precast Concrete Girder Superstructures (PDF) Aug-16
8-7 8-7 Implementation Memo (PDF) Jan-16
8-7 8-7 Stay-In-Place Metal Forms for Precast Concrete and Steel Superstructures (PDF) Jan-16
8-8 8-8 Implementation Memo (PDF) Mar-13
8-8 8-8 Deck Finishing and Quiet Decks (PDF) Mar-13
  Section 9 Existing Bridges
Section: Title: Date of Memo:
9-1 9-1 Dependent Dimension (PDF) Mar-89
9-2 9-2 Maintenance Rating (PDF) Mar-86
9-2 9-2 Maintenance Rating (Metric) (PDF) May-96
9-2 Attachment 1 9-2 Attachment 1 Standard Permit Rating and Design Vehicles with Purple Loads (PDF) Mar-86
9-2 Attachment 1 9-2 Attachment 1 Standard Permit Rating and Design Vehicles with Purple Loads (Metric) (PDF) May-96
9-3 9-3 Widening Existing Bridges (PDF) May-10
9-4 9-4 Live Loads and Stresses Historical Background (PDF) Jan-86
9-6 9-6 Permit Upgrading (PDF) Dec-82
9-7 9-7 Strengthening Steel Girder Bridges for Live Loads (PDF) Sep-89
9-7 Attachment A 9-7 Attachment A Strengthening Steel Girder Bridges for Live Loads (PDF) Sep-89
9-8 9-8 Widening Closed End Cellular Abutments (Metric) (PDF) Feb-02
  Section 10 Reinforced Concrete Box Girders
Section: Title: Date of Memo:
10-1 10-1 Reinforced Concrete Strength Requirements (Metric) (PDF) Apr-99
10-5 10-5 Protection of Reinforcement Against Corrosion Due to Chlorides, Acids Sulfates (PDF) Jun-10
10-6 10-6 Use of Prefabricated Epoxy Coated Reinforcement in Marine Environment (PDF) Jun-10
10-20 10-20 Deck and Soffit Slab (PDF) Dec-17
10-20 Attachment 1 10-20 Attachment 1 Deck Slab Reinforcement Details (PDF) Dec-17
10-20 Attachment 2 10-20 Attachment 2 Deck Slab Thickness and Reinforcement Schedule (PDF) May-08
10-20 Attachment 3 10-20 Attachment 3 Soffit Slab Reinforcement Details (PDF) May-08

Section 11 Precast and/or Prestressed
Section: Title: Date of Memo:
11-1 11-1 Implementation Memo (PDF) Apr-13
11-1 11-1 Prestressed Concrete - Shop Drawing Review (PDF) Apr-13
11-1 Attachment 1 11-1 Attachment 1 Checking Prestress Shop Drawings Attachment 1 (PDF) Dec-16
11-1 Attachment 2 11-1 Attachment 2 Attachment 2 (PDF) Apr-13
11-3 11-3 Designer's Check List for Prestressed Concrete (PDF) Nov-10
11-8 11-8 Implementation Memo (PDF) Mar-14
11-8 11-8 Design Guidelines of Precast Prestressed Girders (PDF) Feb-14
11-18 11-18 Stressing Incomplete Bridges (PDF) Dec-88
11-25 11-25 Implementation Memo (PDF) Oct-12
11-25 11-25 Anchorage Zone Design (PDF) Oct-12
11-28 11-28 Prestress Clearances for Cast-In-Place Prestressed Box Girder Structures (PDF) Oct-10
11-28 Attachment 1 11-28 Attachment 1 Prestress Clearances for Cast-In-Place Prestressed Box Girder Structures (PDF) Jan-13
11-28 Attachment 2 11-28 Attachment 2 Prestress Clearances for Cast-In-Place Prestressed Box Girder Structures (PDF) Jun-15
11-31 11-31 Implementation Memo (PDF) Oct-12
11-31 11-31 Curved Post-Tensioned Bridges (PDF) Oct-12
11-34 11-34 Implementation Memo (PDF) Sep-12
11-34 11-34 Hinge Curl (PDF) Sep-12
  Section 12 Structural Steel
Section: Title: Date of Memo:
12-1 12-1 Implementation Memo (PDF) Sep-12
12-1 12-1 Review of Shop Drawings - Steel Structures (PDF) Sep-12
12-2 12-2 Implementation Memo (PDF) May-12
12-2 12-2 Guidelines for Identification of Steel Bridge Members (PDF) May-12
12-3 12-3 Camber of Steel-Concrete Composite Girders (Metric) (PDF) Aug-04
12-4 12-4 Criteria for Control Dimension "Y" on Steel Girders(Metric) (PDF) Aug-04
12-5 12-5 Complete Joint Penetration and Partial Joint Penetration Groove Welds (Metric) (PDF) Aug-04
12-6 12-6 Field Welding Near Elastometric Bearing Pads (Metric) (PDF) Aug-04
12-7 12-7 Catwalks on Steel Bridges (Metric) (PDF) Aug-04
12-8 12-8 Steel Pedestrian Bridges (PDF) Nov-09
12-9 12-9 Implementation Memo (PDF) Sep-18
12-9 12-9 Design Criteria For Temporary Prefabricated Modular Steel Panel Truss Bridges (PDF) Sep-18
12-11 12-11 Galvanizing Tanks (Metric) (PDF) Aug-04

Section 13 Pedestrian Structures

Section 14 Railings and Barriers
Section: Title: Date of Memo:
14-19 14-19 Temporary Railing (PDF) Apr-90

Section 15 Structural Analysis
Section: Title: Date of Memo:
15-14 15-14 Loads for Temporary Highway Structures (PDF) Dec-10
15-14 Attachment 1 15-14 Attachment 1 Loads for Temporary Highway Structures (PDF) Dec-10
15-15 15-15 Materials Hauling Equipment Loading (PDF) Feb-07
15-17 15-17 Future Wearing Surface (PDF) Dec-88
15-18 15-18 Additional Dead Load on Bridge Decks (PDF) Sep-88
15-19 15-19 Implementation Memo (PDF) Feb-14
15-19 15-19 Bridges With Skewed Supports (PDF) Jan-14
15-20 15-20 Implementation Memo (PDF) Nov-16
15-20 15-20 Live Load Distribution By Three Dimensional Analysis (PDF) Nov-16

Section 16 Structures Hydraulics
Section: Title: Date of Memo:
16-1 16-1 Implementation Memo (PDF) Feb-18
16-1 16-1 Hydraulic Design for Structures Over Waterways (PDF) Dec-17
16-1 Attachment 1 16-1 Attachment 1 Roles and Responsibilities (PDF) Dec-17
16-1 Attachment 2 16-1 Attachment 2 Hydraulic Reports (PDF) Dec-17
16-1 Attachment 3 16-1 Attachment 3 Glossary of Terminology for Hydraulics & Scour (PDF) Dec-17

Section 18 Drainage and Utilities
Section: Title: Date of Memo:
18-1 18-1 Bridge Deck Drainage (PDF) Sep-09
18-2 18-2 Utilities and Openings for Future Utilities In Bridge (PDF) Feb-90
18-2 18-2 Utilities and Openings for Future Utilities In Bridge (Metric) (PDF) Jul-96
18-2 Attachment 18-2 Attachment Encroachments on Bridges (PDF) Feb-90
18-2 Attachment 18-2 Attachment Encroachments on Bridges (Metric) (PDF) Jul-96
18-3 18-3 Supply Lines, Communication Conduit and Sprinkler Control Conduit on Bridges (PDF) Dec-90

Section 20 Seismic
Section: Title: Date of Memo:
20-1 20-1 Seismic Design Methodology (PDF) Jul-10
20-1 Attachment 1 20-1 Attachment 1 Seismic References (PDF) Jul-10
20-2 20-2 Site Seismicity for Temporary Bridge and Stage Construction (PDF) May-11
20-3 20-3 Restrainers at Support Joints (PDF) Jul-08
20-4 20-4 Implementation Memo (PDF) Jun-16
20-4 20-4 Seismic Retrofit Guidelines for Bridges in California (PDF) Jun-16
20-4 Attachment 1 20-4 Attachment 1 Seismic Retrofit Assessment Form (PDF) Sept-16
20-5 20-5 Identifying Seismic Design Criteria In The General Notes (PDF) May-10
20-6 20-6 Seismic Strength of Concrete Bridge Superstructures (PDF) Aug-01
20-6 Attachment 1 20-6 Attachment 1 Demand Procedure (Metric) (PDF) Aug-01
20-6 Attachment 2 20-6 Attachment 2 Capacity Procedure (Metric) (PDF) Aug-01
20-7 20-7 Implementation Memo (PDF) Oct-14
20-7 20-7 Seismic Design of Slab Bridges (PDF) Apr-16
20-7 Attachment A 20-7 Attachment A Slab Bridge Example Details (PDF) Apr-16
20-7 Attachment B 20-7 Attachment B Pile/Shaft Extension Details (PDF) Apr-16
20-8 20-8 Analysis of Ordinary Bridges that Cross Faults (PDF) Jan-13
20-9 20-9 Implementation Memo (PDF) Apr-16
20-9 20-9 Splices in Bar Reinforcing Steel for Bridges (PDF) Apr-16
20-9 Attachment A 20-9 Attachment A Pile/Shaft Example Details (PDF) Apr-16
20-9 Attachment B 20-9 Attachment B Spiral Splice Details (PDF) Apr-16
20-10 20-10 Implementation Memo (PDF) Mar-13
20-10 20-10 Fault Rupture (PDF) Jan-13
20-11 20-11 Establishing Bridge Seismic Design Criteria (Metric) (PDF) Jan-99
20-12 20-12 Implementation Memo (PDF) Mar-13
20-12 20-12 Seismic Design Criteria for Bridge Widenings (PDF) Apr-13
20-13 20-13 Tsunami Hazard Guidelines (PDF) Jan-10
20-14 20-14 Quantifying the Impacts of Soil Liquefaction and Lateral Spreading on Project Delivery Attachment 1 (PDF) Jul-08
20-14 Attachment 1 20-14 Attachment 1 Foundation Design Flowchart based on Available Soil Data (PDF) Jul-08
20-15 20-15 Lateral Spreading Analysis For New And Existing Bridges (PDF) May-17
20-15 Attachment 1 20-15 Attachment 1 Lateral Spreading Analysis For New And Existing Bridges (PDF) May-17
20-16 20-16 Seismic Safety Peer Review (PDF) Jun-09
20-17 20-17 Implementation Memo (PDF) Jun-14
20-17 20-17 Understanding Directionality Concepts in Seismic Analysis (PDF) Jun-14
20-21 20-21 Implementation Memo (PDF) Dec-16
20-21 20-21 Seismic Requirements for Headed Bar Reinforcement (PDF) Dec-16
20-22 20-22 Implementation Memo (PDF) Jan-19
20-22

Seismic Design of Ordinary Bridges with Isolation Bearings (PDF)

Jan-19

Section 22 Sound Walls
Section: Title: Date of Memo:
22-1 22-1 Sound Wall Design Criteria (Metric) (PDF) Aug-04
22-2 22-2 Soundwall Load Distribution (Metric) (PDF) Feb-04
22-5 22-5 Sound Wall Plans Format for Projects by Office of Structure Design (PDF) Nov-88
22-50 22-50 Sound Wall - Concrete Masonry Blocks (PDF) Dec-88
22-55 22-55 Sound Wall - Design Weight - Concrete Masonry Block (PDF) Nov-88

Section 23 Underground Structures
Section: Title: Date of Memo:
23-1 23-1 Implementation Memo (PDF) Jun-17
23-1 23-1 Buried Reinforced Concrete Box Structures (PDF) Jun-17