Caltrans bridge design specifications pdf DES is a comprehensive, multidisciplinary engineering organization committed to providing our clients with quality products and services in a timely manner. Designers must ensure that any supporting structures such as the bridge deck overhang or retaining wall meet the requirements in the AASHTO LRFD Bridge Design Specifications Section 13, Railings, and Appendix A13 and as amended by Caltrans’ Memo to Designers (MTD) 20-1 outlines the bridge category and classification, seismic performance criteria, seismic design philosophy and approach, seismic demands and capacities on structural and geotechnical components and seismic design practices that collectively make up Caltrans’ seismic design methodology. View recent HDM Manual Change Transmittals here. It provides background on the evolution of bridge load standards and introduces key concepts like load factor design, which aims to ensure structural capacity exceeds applied loads after both are adjusted by safety factors. It outlines general requirements and materials, including applications and notations for prestressed concrete design. In June This document section discusses bridge loads and load factor design methodology. In addition to bridge and site specific criteria, pertinent sections of the AASHTO LRFD Bridge Design Specifications, 6th Edition (AASHTO, 2012) and the California Amendments to the AASHTO LRFD Bridge Design Specifications (CA) (Caltrans, 2014). MTD 12-9: Section 20. 7 %âãÏÓ 99 0 obj > endobj 121 0 obj >/Filter/FlateDecode/ID[62BDFC6BF5D4EE4190FB38545508F014>]/Index[99 38]/Info 98 0 R/Length 91/Prev 1784275/Root 100 0 R This document provides design specifications for prestressed concrete bridges. 2024 Digest of Revisions - SNs/Std Plan Lists/SSPs (PDF) (10 LRFD SEISMIC BRIDGE DESIGN, CALIFORNIA EXAMPLE Mark S. For a typical steel girder bridge, Strength I and II, Service II, and Fatigue are usually controlling limit states. 1 312 41 8MB Read more California Amendments to AASHTO LRFD Bridge Design Specifications and its Impact on Precast Bridge Design and Construction . pdf), Text File (. 11 Seismic Retrofit Using Steel Column Casing (PDF) May 2025 : Section 20. 14. Implementation Memo (PDF) 8th ed. 1. 4(b). Refer to Memo to Designers 5-1 for examples of the design of keys for various abutment configurations. In 1999, SCOBS voted to no longer update the Standard Specifications for Highway Bridges, which was the basis for the Caltrans Bridge Design Specifications (BDS), and support load and resistance factor design as the primary design code. Seismic Design : 20. Propose a Revision to the HDM Limits of Payment for Excavation and Backfill - Bridge Surcharge and Wall: RSP A62B: 10/15/2021: Excavation and Backfill Concrete Pipe Culverts: RSP A62D: 10/15/2021: Excavation and Backfill Concrete Pipe Culverts - Indirect Design Method: RSP A62DA: 10/15/2021: Excavation and Backfill Precast Reinforced Concrete Box Culvert: RSP A62G: 10/19 Apr 15, 2024 · wall, retaining wall or bridge deck overhang, meet the requirements in the AASHTO LRFD Bridge Design Specifications, Appendix in Section 13, Railing, as amended by Caltrans California Amendments (AASHTO-CA-BDS-8 – Section 13). BRIDGE DESIGN AIDS Abutment Keys OCTOBER 1989 14-8 Abutment keys when required to transmit total seismic loads should be designed for the force required to mobilize the soils and piles below them. AASHTO members include the 50 Caltrans / Industry – Falsework Advisory Team (FWAT) • Last meeting May 2023 • Typically Meets twice a year • Meeting are hybrid in person and online • Goals: • Discuss guidelines and standards for safe temporary structure design and construction • How to improve temporary structure specifications • Eliminate temporary structure AASHTO LRFD Bridge Design Specifications. Temporary Conditions and Structures : 17. BCM— Caltrans Bridge Construction Memos. Caltrans’ practice is to design abutments and bents/piers in accordance with the Load and Resistance Factor Design (LRFD) as specified in the current . It describes four limit states - service, strength, and extreme event - that concrete components are designed for according to AASHTO load combinations. 4 (CSDC)) Caltrans Highway Design Manual . 32 Seismic Design Guidance for Tunnels (PDF) January 2024 : 20. The chapter provides an introduction to designing for (Caltrans, 2017). The chapters are numbered in alignment with the AASHTO LRFD Bridge Design Specifications. 1 Design Requirements Caltrans • Specification engineer with the Structure Specifications Branch South (D6-12) in Structure Office Engineer • Project engineer with Branch 6 in Office of Bridge Design North • Assistance Structure Representative at D4 Novato in Structure Construction Office F • Prior to Caltrans, worked at Granite Construction, Clark Pacific, CH2M Hill Caltrans Bridge Design Alert (BDA) and Bridge Design Memo 17. The majority of the consultant designed bridge plans are reviewed in the main office in plans reviewed at the central office or district bridge office? The main Caltrans bridge design office is located in Sacramento with two smaller regional design groups in Los Angeles County and in Oakland. 2023 Standard Specifications. California Department of Transportation . The majority of the consultant designed bridge plans are reviewed in the main office in All LPA bridge and structure projects must be designed in accordance with the current Caltrans adopted edition of the AASHTO Load and Resistance Factor Design (LRFD) Bridge Design Specifications with California Amendments and . Chapter 1 Bridge Design Specifications 1-3. Section B - BRIDGE METAIL RAIL BARRIERS - CALIFORNIA ST-76 BRDIDGE RAIL. Supporting elements, such as the deck and overhang, must be designed to three applicable load cases: Caltrans AASHTO LRFD Bridge Design Specifications, 8th Edition, American Association of State Highway and Transportation Officials, Washington DC. The design provisions employ the Load and Resistance Factor Design (LRFD) methodology. Section B- BRIDGE METAIL RAIL BARRIERS - CALIFORNIA ST-76SW BRIDGE RAIL . Standard Specifications Book - Complete Download Version - 1350 Pages (PDF) Standard Specifications Table of Contents (HTML) Alternative Format: Standard Specifications Book - Unofficial Version with Vertical Bars - 1350 Pages (PDF) Digests of Revisions The fifth edition conforms to the AASHTO LRFD Bridge Design Specifications, the eighth Edition with California Amendments, Ca/trans Seismic Criteria, Version 2. 2 Type Selection Considerations A steel pedestrian bridge not meeting the designation of a standard bridge should be classified as a minor bridge. Wing-walls. Changes are balloted and approved by at least two-thirds of the members of the Committee on Bridges and Structures. The state is divided into 12 district offices. 33 Seismic Design Of Bridges With Isolation Bearings: January 2025 MTD 20-22 bridge design specifications • march 1999 structures subject to erosion should be adequately protected by riprap, flexible mattresses, retards, spur dikes or other appropriate construction. —AASHTO LRFD Guide Specifications for the Design of Pedestrian Bridges . AASHTO LRFD Bridge Design . Caltrans Bridge Design Manuals Read/Download 1-10, Considering Bridge Security During Design (Metric), Aug-04. 6 Use of Bridge Standard Detail Sheets (XS-SHEETS) The Bridge Design Detailing Manual guidelines listed below are developed and maintained by the Structure Design Detailing Technical Committee within the Division of Engineering Services (DES). State of California. Caltrans The following bridge design policies, criteria, and standards address bridge design: • The current Caltrans adopted edition of the AASHTO LRFD Bridge Design Specifications with California Amendments • The current version of the Caltrans Seismic Design Criteria (SDC) • The current releases to the Caltrans Bridge Memo to Designers (MTD) plans reviewed at the central office or district bridge office? The main Caltrans bridge design office is located in Sacramento with two smaller regional design groups in Los Angeles County and in Oakland. Specifications (LRFD BDS), with California Amendments. For seismic design, steel bridges shall satisfy the requirements as specified in Caltrans Seismic Design Specifications for Steel Bridges (Caltrans, 2016). CBSSD— California Bridges and Structures Mechanically Stabilized Embankment (Caltrans Pre-Designed) Bridge Design Specification (CALTRANS) BRIDGE D ESIGN SPECIFICATIONS • SEPTEMBER 2004 CONTENTS - DIVISION I - DESIGN Section 1 - General Provisions 1. A steel pedestrian bridge to be classified as minor bridge a must be approved through the Type Selection process. HDM Manual Change Transmittals. A total of 17 chapters are published online at this 16. 1 INTRODUCTION The main purpose of bridge design specifications is to ensure bridge safety such that minimum resistances or capacities, in terms of strength, stiffness, and stability of each bridge component and the whole bridge structural system exceed the potential maximum The selection and proper application of the component design and any modifications shown. Bridge Contractors / Caltrans Liaison Committee Meeting – April 5, 2024 Section B - BRIDGE METAL RAIL BARRIERS - CALIFORNIA ST-75SW BRIDGE RAIL. Chapter 400 – Intersections At Grade . GENERAL 100% Submittal The bridge shall be designed in accordance with "Caltrans Bridge Design Specifications Manual (1995) (BDS)," modified or augmented as detailed in this design criteria. 3 DESIGN SPECIFICATIONS Steel pedestrian bridge superstructures must be designed in accordance with the current • Gerald Desmond Bridge Replacement Project Bridge 53 3000 Basis of Design Report (Arup, 2016) • Devil’s Slide Bridge Design Criteria (Caltrans, 2004) • SFOBB Self-Anchored Suspension Bridge Design Criteria (Caltrans, 2002a) • Seismic Design Criteria Retrofit of the West Approach to the San Francisco– - Oakland Bay Bridge (Caltrans to accept the AASHTO LRFD Bridge Design Specifications as an alternate design specification. Jim Ma, PE . The SD needs to provide information 2000 CALTRANS Bridge Design Specifications - Free download as PDF File (. It is important to realize that not every load listed will apply to every bridge. 1 1. within the Caltrans Local Assistance Procedures Manual. 4 FLEXURAL DESIGN . Seismic Design 20. 3. BDPPM— Caltrans Bridge Design Process and Procedure Manual. Page 4-i Joint shear capacities of existing structures shall be checked using Caltrans Bridge. 6. The details may be incorporated into either the District or the Structure Plans. Clearing of brush and trees along embankments in the vicinity of bridge openings should be avoided to prevent high flow velocities and possible scour. Specifications Changes. 2. 10 Overlays on Existing Bridge Decks (PDF) September 2024: MTD 8-5 : Section 17. BDM —Caltrans Bridge Design Memos. It discusses evaluating the thrust in the metal wall using three criteria: wall area, buckling stress, and seam strength. 22 Analysis of New Bridges in Fault Rupture Zones (PDF) December 2021: MTD 20-8 Design Information Bulletins (DIBs) and Design Memoranda may supersede this manual. 1 Design Criteria for Temporary Prefabricated Modular Steel Panel Truss Bridge (PDF) August 2020. Caltrans Caltrans Memorandum - Implementation of the 2024 Construction Contract Standards, 10/21/2024 (PDF) Future Updates The 2025 Standards will be updated at the yearly posting (Standard Plans, SSPs Updates, and Bid Item updates) to be implemented on October 20, 2025. BDP —Caltrans Bridge Design Practice. Design Aid, 144. Caltrans Bridge Design Manuals, Policies, Standards, and Guidancen accordance with i 23 CFR 625. Caltrans, (2019). Bridge Design Details, 1. Eighth Edition, November 2017. These standard guidelines, examples, and checklists assist engineers and detailers in producing Preliminary Design Studies, Contract Plans, and other Design Specifications, Eighth Edition with California Amendments, Caltrans Seismic Criteria, Version 2. Bridge design shall be in accordance with Caltrans' Bridge Design Specifications Manual. It also introduces innovative design practices of Caltrans. This chapter will briefly describe the general concepts and backgrounds of ASD and LFD but primarily discuss the LRFD philosophy. Chapter 200 – Geometric Design . Similarly, a new set of Bridge Standard Details (XS sheets) related to ERS have been Caltrans Bridge Rails and Barriers - Caltrans The Division of Engineering Services (DES) is the lead project delivery organization for the design, construction, and oversight of bridge and other transportation structures. Standard Specifications Book - Complete Download Version - 1372 Pages (PDF) Standard Specifications Table of Contents (HTML) Alternative Format: Standard Specifications Book - Unofficial Version with Vertical Bars - 1374 Pages (PDF) Digests of Revisions. 0, Caltrans Seismic Design Specifications for Steel Bridges, Second Edition, and Bridge Design Memos. Parts I and II. (2019). The specifications are intended to guide the 50. Starting with the Eighth Edition of the AASHTO LRFD Bridge Design Specifications, interim changes to the Specifications were discontinued, and new editions are published on a three-year cycle. 1-11, Stage Construction 11-8, Design Guidelines of Precast Prestressed Girders, Mar-14. Jul 1, 2021 · Caltrans The examples in this chapter reflect the best design practices developed at Caltrans to the best knowledge of the respective authors and reviewers. Memorandum. The latest version of the California Amendments to AASHTO LRFD Bridge Design Specifications – 8 th Edition (AASHTO, 2017) was published in 20(Caltrans,19 2019). 1. 11. 4. 0, Caltrans Seismic Design Specifications for Steel Bridges , Second Edition, Structure Technical %PDF-1. 10/31/2023: RS2, RS3, RS4: Section RS - ROADSIDE SIGNS PDF) Appendix A Roadside Signs (PDF) Change Summary for Standard Plan Section 4-7: Map Application for State Sovereign Lands (PDF) Section 4-8: Resolution of Necessity Map (PDF) Section 4-9: Court Exhibit Map (PDF) Section 4-10: Director's Deed Maps (PDF) Section 4-11: Transfer of Jurisdiction Map (PDF) Section 4-12: Right of Way Record Map (PDF) Section 4-13: Relinquishment Maps (PDF) Section 4-14: Vacation Map 16. Caltrans. In particular, the most critical Seismic Design Caltrans This chapter discusses concrete design for bridges according to AASHTO LRFD specifications. Additional Bridge Concrete Barriers: Concrete Barrier Type 732sw (Sheet 1 Of 2) B11-58: Concrete Barrier Type 732sw (Sheet 2 Of 2) B11-59: Bridge Metal Rail Barriers: California St-20s Bridge Rail (Sheet 1 Of 4) B11-71: California St-20s Bridge Rail (Sheet 2 Of 4) B11-72: California St-20s Bridge Rail (Sheet 3 Of 4) B11-73 —AASHTO Guide Specifications for Seismic Isolation Design AASHTO MBE —AASHTO Manual for Bridge Evaluation AASHTO GSDPB —AASHTO LRFD Guide Specificationsor f the Design of Pedestrian Bridges BCM— Caltrans Bridge Construction Memos BDD —Caltrans Bridge Design Details BDM —Caltrans Bridge Design Memos BDP —Caltrans Bridge Design California Department of Transportation Bridge Design Manuals . txt) or read online for free. Caltrans Plans Preparation Manual Caltrans Nov 21, 2023 · Seismic design methodology for ground-supported walls given in ASCE 7-16 must be used. Mahan1 Abstract The newly approved AASHTO Guide Specification for LRFD Seismic Bridge Design (referred to as LRFD Seismic Guide Spec), July 2007, is greatly influenced by Caltrans’ Seismic Design Criteria. Chapter 300 – Geometric Cross Section . Jim Ma, Senior Bridge Engineer/Prestressed Concrete Specialist, State of California, Department of Transportation, Page 391 of 455 First. California Amendments to AASHTO LRFD Bridge Design Specifications, 8th Edition, California Department of Transportation, Sacramento, CA. 0, Ca/trans Seismic Design Specifications for Steel Bridges, Second Edition, Structure Technical Policies, and Bridge Design Memos. Load factor design allows for more consistent permit loads across bridge types compared to 2024 Standard Specifications. The provisions of these specifications are intended for the design, evaluation, and rehabilitation of both fixed and movable highway bridges. Complete Download Version (Updated March 2025) (PDF) With the implementation of AASHTO Load and Resistance Factor Design (LRFD) Bridge Design Specifications (AASHTO Design Specifications) a new set of Earth Retaining Systems (ERS) have been produced and published as Standard Plans or Revised Standard Plans. Bridge Construction Records and Procedures Manual, Volume I (8/30/19) Bridge Construction Records and Procedures Manual, Volume II (8/30/19) Bridge Deck Construction Manual (10/2015) Concrete Technology Manual (8/2013) Controlling Shrinkage Cracking Document- (ACI co-written by Caltrans) Falsework Manual (6/2016) Foundation Manual (10/2015) National Operations Center of Excellence 555 12th Street, NW Suite 1000 Washington, DC 20004 View or download Caltrans engineering manuals, California Amendments to the AASHTO LRFD Bridge Design Specifications, and engineering reference materials. Key aspects covered include requirements for prestressing steel, concrete strength, dimensions, reinforcement, stresses, forces, and shear strength. The Fifth Edition of the BDP conforms to the Eighth Edition of the AASHTO LRFD Bridge Design Specifications with accompanying California Amendments , Caltrans Seismic Criteria , Version 2. It covers structural materials including concrete, reinforcing steel, and prestressing steel. Manual Updates · Purchase bridge designs in the State of California since 2006. 8th ed. AASHTO LRFD Bridge Design Specifications & Seismic Bridge Design, Caltrans Bridge Design Specifications, Bridge Manuals & Seismic Design Criteria, PCI. 7. Highway Design Manual Change Transmittal memorandums are issued summarizing the significant changes and are posted by change date. Bridge Standard Detail Sheets Change Transmittal (PDF) Summary of Revisions (PDF) Support. 8 Analysis Of Deck Overhangs On Existing Bridge (PDF) March 2025 : 16. 2. BDD —Caltrans Bridge Design Details. The document provides design specifications for soil-corrugated metal structure interaction systems. 3 require 10% of DL minimum lateral load • Specification will be revised to be consistent with the above. Chapter 80 – Application of Design Standards . Caltrans Seismic Design Criteria ver. G80. The chapters are numbered in alignment with the AASHTO Caltrans Caltrans San Francisco-Oakland Bay Bridge -Design Criteria Contract 59A0040 1. mhtyaj tos jozawac dxri ydbc mqqac lelfnuztq kefti yeu rkmz