Aashto lrfd guide specifications for design of pedestrian bridges second edition 2009

LRFD Guide Specifications for the Design of Pedestrian Bridges. The guideline, which differs from this draft, was published as "Guide Specifications for Design of FRP Pedestrian Bridges: First Edition, 2008" by the American Association of State Highway and Transportation The text has been thoroughly updated throughout to conform with changes made in the latest edition of the AASHTO LRFD Bridge Design Specifications. results in factored loads of 2. 7 Live Loads . the pedestrian load. AASHTO LRFD Bridge Design Guide Specifications for GFRP-Reinforced Concrete, Second Edition (GFRP-2B):AASHTO LRFD Bridge Design Guide Specifications for GFRPThis design memorandum is an amendment to AASHTO Guide Specifications for LRFD Seismic Bridge Design and revisions 1st edition, 2009. 4 AASHTO Signs – CI. It also introduces innovative design practices of Caltrans. These Guide Specifications address the design and construction of typical pedestrian bridges which are designed for and intended to carry primarily pedestrians, bicyclists, equestrian riders AASHTO Guide Specifications for the Design of Pedestrain Bridges (Dec 2009) - Free download as PDF File (. In addition to revising the first edition content, he authors have added Appendix B, “Design Flowcharts. 5: VDOT Modifications to the AASHTO LRFD Bridge Design Specifications About this memorandum The information provided in this electronic version of the Instructional and Informational Memoranda is a product of, and copyrighted by, the Virginia Department of Transportation (VDOT) and is intended to be used for informational purposes The fourth edition of the BDP is divided into three volumes and covers the major areas in bridge and highway structure design. State Structure and Bridge Engineer Approved : October 26, 2023 Changes are shaded. 0 ksi unless tests are made to establish relationships with concrete strength. 8 Vibrations 9 Allowable Fatigue Stress . by AASHTO (Author) 1. If you have any questions regarding these issues, please contact Bijan Khaleghi LRFD Guide Specifications for the Design of Pedestrian Bridges ,2014 AASHTO LRFD Bridge Design Guide Specifications for GFRP-reinforced Concrete Bridge Decks and Traffic Railings ,2009 Glass fiber reinforced polymer (GFRP) materials have emerged as an alternative material for producing reinforcing bars for concrete structures. Washington, D. Cv [Pa] The vertical load shall be taken to act either upwards or downwards. Paperback – January 1, 2009. Member Price: $100. December 1, 2009. Changes are balloted and re approved by at least two-thirds of the members of the Committee on Bridges and Structures. were based on judgment, considering uncertainty and variability of … WebModifications for AASHTO LRFD Bridge Design Specifications to Incorporate or Update the Guide Specifications for Design of Pedestrian Bridges. LRFD Bridge Design. These Guide Specifications address the design and construction of typical pedestrian bridges which are designed for and intended to carry primarily pedestrians, bicyclists, equestrian riders, and light maintenance vehicles, but not designed and intended to carry typical highway traffic. . 75); Reduced increased Bond Factor Cb ( = 1/kb This design memorandum describes WSDOT’s amendments to AASHTO Guide Specifications for LRFD Seismic Bridge Design 1st edition, 2009 based on the WSDOT design and construction requirements. Check the boxes below verifying the submittal includes analysis and design calculations in accordance with the AASHTO LRFD Guide Specifications for the Design of Pedestrian Bridges for the: ☐ Framing Members (including shape, size, and section properties) ☐ Member Connections (bolted and/or welded) with detailed drawings ☐ Deck The following specification was a proposed AASHTO FRP Pedestrian Bridge Specification written by E. , 2018). Sep 13, 2023 · AASHTO LRFD Movable Highway Bridge Design Specifications, 3rd Edition. Performances of ASTM-certified materials and increase Compression-Controlled. AASHTO Highway Drainage Guidelines, 2007. The following VDOT Modifications to the AASHTO LRFD Bridge Design Specifications, 7th Edition, 2014, and the VDOT Modifications to the LRFD Guide Specifications for the Design of Pedestrian Bridges, 2009, are effective for projects with an Advertisement date after June 14, 2016. 7 Vehicle Load . Dec 1, 2009 · General AASHTO has issued interim revisions to AASHTO LRFD Guide Specification for the Design of Pedestrian Bridges (2009). Ce . Aashto bridge design manual (lfrd)Aashto lrfd bridge design specifications (7th edition, 2014) Aashto guide specifications for design of Dear Customer: Recently, we were made aware of some technical revisions that need to be applied to the AASHTO LRFD Bridge Design Specifications, 6th Edition. :American Association of State Highway and Transportation Officials, 2008. Approved as an alternate to the seismic provisions in the AASHTO LRFD Bridge Design Specifications. 1—GENERAL These Guide Specifications shall apply to fiber reinforced polymer (FRP) composite bridges intended to carry primarily pedestrian and/or bicycle traffic. 25. Price: $ 12. 16 LRFD GUIDE SPECIFICATIONS FOR THE DESIGN OF PEDESTRIAN BRIDGES 9-DESIGN EXAMPLE HALF-THROUGH TRUSS BRIDGE WITH HSS MEMBERS AASHTO Guide Specifications for LRFD Seismic Bridge Design ,2009 Covers seismic design for typical bridge types and applies to non-critical and non-essential bridges. 0 hertz (Hz) to avoid the first harmonic. Except as specified herein, the fundamental frequency in a vertical mode of the pedestrian bridge without live load shall be greater than 3. " They have been designed to replace the corresponding pages in the book and are numbered Fracture critical members and welds shall satisfy provisions of AASHTO . SECTION 1 INTRODUCTION 1. 0 מתוך 5 כוכבים דירוגים 1 The 1991 AASHTO Guide Specification established design provisions for bridges crossing navigable waterways to minimize their susceptibility to damage from vessel collisions. This policy addresses design criteria for temporary prefabricated modular steel panel truss bridges. Jan 1, 2009 · LRFD Guide Specifications for Design of Pedestrian Bridges, 2nd Edition. 8: VDOT Modifications to the AASHTO LRFD Bridge Design Specifications, 8th Edition About this memorandum The information provided in this electronic version of the Instructional and Informational Memoranda is a product of, and copyrighted by, the Virginia Department of Transportation (VDOT) and is intended to be used for AASHTO LRFD Bridge Design Specifications: Customary U. 17(65) = 141 psf. org. Oct 31, 2023 · LRFD Guide Specifications for the Design of Pedestrian Bridges, 2009, 2015 Interims NUMBER: IIM-S&B-80. The technology is tailored for Jan 1, 2009 · AASHTO has issued proposed interim revisions to Guide Specifications and Commentary for Vessel Collision Design of Highway Bridges, Second Edition (2009). 2009 Interim Revisions. 75 results in a loading of 158 psf, which provides a marginal, but safficient, LRFD GUIDE SPECIFICATIONS FOR THE DESIGN OF PEDESTRIAN BRIDGES 3 reserve compared with the maximum credible load of 150 psf. AASHTO, LRFD Guide Specifications for the Design of Pedestrian Bridges, 1997. in pedestrian bridge design. The application of GFRP-RC is spreading, with a number of bridges built over the last 30 years (Nanni & Faza, 2001; Bakis & al. AASHTO LRFD Bridge Design Specifications, latest edition. AASHTO LRFD Bridge Design Specificatio, interim changes to the ns Specifications were discontinued, and new editions a published on a three-year cycle. The BDM chapter 4 is being revised to reflect the new guide Specifications. 2 Vertical wind load per unit exposed plan area of the structure: Fv = q . S. 6—Seismic Performance Zones 3. The Fourth Edition of AASHTO. pdf - Free download as PDF File (. LRFD GUIDE SPECIFICATIONS FOR THE DESIGN OF PEDESTRIAN BRIDGES. 7 Wind Loads. warning Note: These citations are software generated and may contain errors. 2—Elastic Seismic Response Coefficient 3. The specifications employ the Load and Resistance Factor Design (LRFD) methodology, using factors developed from current statistical knowledge of loads and structural performance. ÐÏ à¡± á> þÿ Dec 18, 2018 · Non-Member Price: $135. AASHTO LRFD Bridge Design Specifications. Differs from the current procedures in the LRFD Specifications in the use of 1. 2008. The AASHTO LRFD Bridge Design Specifications are intended for use in the design, evaluation, and rehabilitation of bridges. Add to Cart. AASHTO members include AASHTO LRFD Bridge Design Specifications: Design of Segmental Bridges by Dr. AASHTO Guide for the Development of Bicycle Facilities, 2012. The provisions of these Specifications are intended for the design, evaluation, and rehabilitation of both fixed and movable highway bridges. ”. 1. Unless amended herein, the existing provisions of the AASHTO Standard Specifications for Highway Bridges, 17th Edition, shall apply when using these Guide LRFD Guide Specifications for the Design of Pedestrian Bridge (2009-2015 Interim Revisions) - Free download as PDF File (. 8, 3. This new 9th edition includes revisions to •ox sections in straight bridges;single b • multiple box sections in straight bridges not satisfying the requirements of Article 6. C1. 8. discomfort or concern to users of a pedestrian bridge. 7 Pedestrian Live Load . 1 GENERAL. The intent of This document provides guidance for designing pedestrian bridges according to Load and Resistance Factor Design (LRFD) philosophy. These Guide Specifications address the design and construction of typical pedestrian 8. Units, 4th Edition, 2007. 5—Segmental Concrete Bridges of the ninth edition of the American Association of State Highway and Transportation Officials’ AASHTO LRFD Bridge Design Specifications 1 was originally based on the AASHTO Guide The use of a 90 psf uomh~al live load in combination with a load factor of 1. 12. In December 2008, Kevin J. 1. txt) or read online for free. Export to Citation Manager (RIS) They should be sent to the Chairman, Subcommittee on Bridges and Structures, AASHTO, 444 North Capitol Street, N. AASHTO. The AASHTO LRFD Bridge Design DESIGN REFERENCES. The provisions applied to both new bridges and to the analysis of existing bridges to determine vulnerability and potential retrofit. January 1, 2011. This publication contains the 2009 Interim Revisions to the "AASHTO LRFD Bridge Design Specifications, Customary U. AASHTO LRFD Bridge Design Specifications, 5th Edition WEB3. 00. Mechanical, electrical, and special vehicular and pedestrian safety aspects of movable bridges, however, are not covered. Some of the major updates in this new edition include: A title change from the 2009 first edition, AASHTO LRFD Bridge Design Guide Specification for GFRP-Reinforced Concrete Bridge Decks and Traffic Railings, to acknowledge the inclusion of information beyond bridge decks and traffic railings This Guide Specification was been developed under the guidance and support of the AASHTO T-3 Committee on Seismic Design and several participating member and volunteer states. 5—Operational Classification 3. The Fifth Edition of the BDP conforms to the Eighth Edition of the AASHTO LRFD Bridge Design Specifications with accompanying California the design specifications. 9 Minimum Thickness of Metal 9 Position the HL-93 live load, including truck and lane load on the bridge deck directly above the fracture location. It supplements the American Association of State Highway and Transportation Officials (AASHTO) LRFD Bridge Design Specifications. For states with bridges exposed to tsunami hazard, the implementation of these guide specifications will result in more robust structures that are better able to survive a tsunami event and participate in the recovery of affected areas. [ Above image by AASHTO] AASHTO said the new “Guide applying provisions documented in the AASHTO LRFD Bridge Design Specifications, to which designers should adhere unless directed otherwise by this document. DNR 1. • The “NYSDOT LRFD Blue Pages” dated January 2021 do not replace any existing “NYSDOT LRFD Blue Pages” thfor the AASHTO LRFD Bridge Design Specifications – 9 Edition, 2020 IMPLEMENTATION: This Engineering Instruction (EI) is implemented immediately for all structural design projects in High-strength Concrete. You could not lonely going next ebook addition or library or borrowing from your friends to way in them. With content reorganized into smaller and more succinct chapters, coverage also features computer modeling, calibration of service limit states, rigid method system analysis, the green aspects of The application of GFRP-RC is spreading, with a number of bridges built over the last 30 years (Nanni & Faza, 2001; Bakis & al. Nov 17, 2023 · The American Association of State Highway and Transportation Officials recently released two new bridge design publications: “ Guide Specifications for LRFD Seismic Bridge Design, 3rd Edition ,” and “ Guidelines for Performance-Based Seismic Design of Highway Bridges, 1st Edition . Flexural Resistance ΦC alignment to AASHTO BDS-17 (0. 3. This revised edition includes information on the advancements in Sep 5, 2019 · The new coefficient was adopted in the second edition of AASHTO LRFD Bridge Design Guide Specifications for GFRP-Reinforced Concrete [2] and, along with a rationalization of the load demands 85 psf, reducible to 65 psf based on influence area for. 2. This policy addresses structure design requirements for steel pedestrian bridge superstructures. pdf) or read online for free. These guide specifications were developed by the AASHTO Committee on Bridges and Structures, Technical This second edition of the Guide Specifications for LRFD Seismic Bridge Design includes technical content approved by the Highways Subcommittee on Bridges and Structures through 2011. influence area. 1Pedestrian bridges shall be designed for a uniform pedestrian loading of 90 psf. AASHTO Guide for the Planning, Design, and Operation of Pedestrian Facilities, 2nd Edition. Aashto lrfd bridge design manual. The Bridge Design Practice Manual provides bridge design engineers with basic design concepts, assumptions, and step-by-step design examples. The American Association of State Highway and Transportation Officials recently released the 9th edition of its LRFD Bridge Design Specifications guide, which employs the load and resistance Bridge Design Getting the books Aashto Guide Specifications For Lrfd Seismic Bridge Design now is not type of inspiring means. 4. This publication provides comprehensive load and resistance factor design (LRFD) specifications for highway movable bridges, including structural, seismic, vessel collision, mechanical, hydraulic, and electrical design, as well as establishes requirements for movable bridge operation and control. E. 3—LOADS 3. Chapter 1 is updated designs. 9 AASHTO Bridge Design Specification – CI. This clause from AASHTO LRFD is not in the AASHTO Pedestrian Bridge Guide nor AASHTO Signs. Subsequently, four National Cooperative Highway Research Program (NCHRP) projects addressing prestress. 2. 7—Response Modification Factors The AASHTO LRFD Bridge Design Specifications, 8th Edition, 2017, including its Errata, the AASHTO LRFD Guide Specifications for the Design of Pedestrian Bridges, 2009, including its 2015 Interims, and the following VDOT Modifications are effective for projects with an Advertisement date after June 11, 2019. This memorandum supersedes design memorandum issued on November 14, 2008. Mixing provisions from specifications other than those referenced herein, even if LRFD based, should be avoided. Please replace the existing text with the corrected text to ensure that your edition is both accurate and current. IIM-S&B-80. including the geotechnical design of foundations was set for April 1, 2007 for bridges designed by the State and October 1, 2007 for bridges designed by others. PREFACE This second edition of the Guide Specifications for LRFD Seismic Bridge Design includes technical content approved by the Highways Subcommittee on Bridges and Structures through 2011. Edition with the 13. 1—PEDESTRIAN LOADING (PL)C3. T. (LRFD) methodology, using factors developed from current statistical knowledge of loads and. Bridges (AASHTO, 1991). 7 DIVISION ADMINISTRATOR APPROVAL: Gregory Henion, P. Jan 1, 2010 · Construction specifications consistent with these design specifications are the AASHTO LRFD Bridge Construction Specifications. 8 Combination of Loads . 17. C. This updated edition has been reorganized throughout, spreading the material into twenty shorter, more focused chapters that make information even easier to find and navigate. Cg . The LRFD specifications are applicable to new construction, total Dear Customer: Recently, we were made aware of some technical revisions that need to be applied to the AASHTO LRFD Bridge Design Specifications, 6th Edition. The design of newly constructed bridge railings must conform to the requirements of Section 13 of the AASHTO LRFD Bridge Design Specifications. structural performance. Pedestrian Bridge Design Aashto 2015 Interim 6. 2022 by the American Association of State Highway and Transportation Officials. The Guide Specification and new seismic hazard for a 1000 year return period were adopted unanimously by AASHTO at the yearly meeting on July 12, 2007. 8 Deflection . AASHTO Highways Subcommittee on Bridges and Structures August 2017. Specs. LRFD specified a constant 85 psf regardless of. 1-1--Live Load of 50 psf Figare C3. AASHTO LRFD Guide Specifications for the Design of Pedestrian Bridges, 2009WI . AASHTO Guide Specifications for LRFD Seismic Bridge Design (2nd Edition) with 2012, 2014 and 2015 Interim Revisions: Author: American Association of State Highway and Transportation Officials: Edition: 2: Publisher: American Association of State Highway and Transportation Officials (AASHTO), 2011: ISBN: 156051521X, 9781560515210 : Export Citation CAN/CSA S6-19 AASHTO Pedestrian Bridges – 2009 CSA S6 – CI. AASHTO LRFD Bridge Design Specifications, 4. Techtonics, Inc. Thompson, State Bridge Engineer, approved the . transportation. x. This specification gives geometric and strength requirements and also describes crash test levels. Pedestrian bridges are structures that cross highways, local roads, railroads, waterways, and other features. AWS D1. This online statement Aashto Guide Oct 11, 2023 · Pedestrian aashto bridges guide specifications draft 2009 bridge Lrfd aashto pedestrian Aashto bridge specifications pedestrian guide bridges standard 2009 highway draft lrfd. th. AASHTO Drainage Manual. 1—Design Response Spectrum 3. This is an enormously simple means to specifically get lead by on-line. These types of bridges are built on the project site from an engineered system of ready-to-assemble standardized prefabricated components, and usually used for emergencies, maintenance projects, and traffic detours or for Chicago. Inquiries as to intent or application of the specifications should be sent to the same address. b. The BDP conforms to the AASHTO LRFD Bridge Design Specifications (Customary US units), sixth Edition with the 2014 California Amendments, except as noted; describes the basic design concepts and assumptions; provides LECTURE 2 OVERVIEW ON AASHTO LRFD BRIDGE DESIGN 2Aashto Guide Specifications For LrfdAASHTO Issues Updated LRFD Bridge Design Guide. 2022-02-23 Tim Huff This book examines and explains material from the 9th edition of the AASHTO LRFD Bridge Design Specifications, including deck and parapet design, load calculations, limit states and load combinations, concrete and steel I-girder design, bearing design, and more. This packet contains the revised pages. The number, width, and location of design lanes is taken as the number, width, and location of striped traffic lanes on the bridge. The reviewing engineer is responsible for identifying missing fracture critical designations while checking vendor shop drawings . 2 Design Requirements. AASHTO staff sincerely apologizes for any inconvenience. 8 Design details . 7 Design loads . LRFD Guide Specifications for Bridges Carrying Light Rail Transit Loads, 2nd Edition. Dear Customer: Recently, we were made aware of some technical revisions that need to be applied to the AASHTO LRFD Bridge Design Specifications, 6th Edition. Several design specifications covering FRP pultruded shapes are currently under development by the American Society of Civil Engineers and may be of use in the future for the design of FRP pedestrian bridges. 3; • single or multiple box sections in horizontally curved bridges; or • single or multiple box sections with box flanges that are not fully effective according to the provisions of Article 6. 0 5. STRUCTURAL STEEL 2. Calculating wind load on fences or rail- LRFD Guide Specifications for the Design of Pedestrian Bridges: Author: American Association of State Highway and Transportation Officials: Publisher: AASHTO, 2009: ISBN: 1560514698, 9781560514695: Length: 30 pages : Export Citation: BiBTeX EndNote RefMan Summary of Key Revisions and Updates. pdf), Text File (. AASHTO LRFD Bridge Design Specifications ÐÏ à¡± á> þÿ Oct 20, 2017 · AASHTO LRFD Bridge Design Specifications, 4th Edition, 2008 and 2009 Interim. American Association of State Highway and Transportation Officials 555 12th Street NW, Suite 1000 Washington, DC 20004 202-624-5800 phone/202-624-5806 fax www. AASHTO Guide specifications for LRFD Seismic Bridge Design. 4. Scribd is the world's largest social reading and publishing site. The technology is tailored for LRFD Guide Specifications for Design of Pedestrian Bridges, 2nd Edition Paperback – 1 ינואר 2009 מאת AASHTO (Author) 5. 3. American Association of State Highway and Transportation Officials, Washington, DC. Starting with the Eighth Edition of the . LRFD Guide Specifications for Design of Pedestrian Bridges, 2nd Edition. . 1, Tapa blanda – 1 Enero 2009. 8 SPECIFIC SUBJECT: Date: October 31, 2023 SUPERSEDES: IIM-S&B-80. 1 Structural Welding Code – Steel, latest edition. Contents of Knovel's engineering resources. They are not designed to replace the corresponding pages in the book but rather to be kept with the book for fast reference. This Second Edition of the specifications was developed to incorporate lessons learned from the use of the original 1991 Vessel Collision Guide Specification; incorporate Pedestrian Bridge Design Aashto 2015 Interim - Free download as PDF File (. The 1991 AASHTO Guide Specification established design provisions for bridges crossing navigable waterways to minimize their susceptibility to damage from vessel collisions. Pedestrian bridge truss steel section construction issued traffic structures mott pe highway erection authorization reopen written Jan 1, 2022 · A description is not available for this item. AASHTO LRFDSEIS. With the LFD load factors, this. 1 SCOPE OF THE SPECIFICATIONS. Key points covered include loads for pedestrians, vehicles, wind, and fatigue; deflection and vibration limits; stability These Guide Specifications are based on the LRFD philosophy. 2010. Design Criteria: Bridge Structures shall be designed utilizing Load and Resistance Factor Design (LRFD) per the “LRFD Guide Specifications for the Design of Pedestrian Bridges (2nd Edition, 2009 and VDOT modifications)”, and “AASHTO LRFD Bridge Design Specifications (8th Edition, 2017 and VDOT modifications)". The title of the document reflects the fact that these Guide Specifications are Guide Specifications for Design of Pedestrian Bridges General . Changes Updates consist of the following: In general, updates where made th roughout in order to adopt the 9th edition of the AASTHO LRFD Bridge Design Specification. Jan 1, 2011 · A description is not available for this item. The title of the document reflects the fact that the Guide Specifications are approved as an alternate to the seismic provisions in the "AASHTO LRFD Bridge Design Specifications. " The scope of the AASHTO Guide Specifications for LRFD Seismic Bridge Design covers the design and construction of new conventional bridges to resist the effects of earthquake motions, and applies to bridges not classified as Critical or Recovery. The scope of these Guide Specifications covers seismic design for typical bridge types and applies to noncritical and non-essential bridges. AASHTO LRFD Design Specifications. Jan 24, 2024 · IIM-S&B-80. These guide specifications offer a description of the unique material properties of glass fiber reinforced polymer (GFRP) composite materials, as well as provisions for the design and construction of concrete bridge decks and railings reinforced with GFRP reinforcing bars. Figure: AASHTO LRFD Bridge Design Specifications, 8th edition. SPECIALTY BRIDGE DESIGN AASHTO LRFD MOVABLE HIGHWAY BRIDGE DESIGN SPECIFICATIONS, 2ND EDITION, WITH 2008, 2010, 2011, 2012, 2014, AND 2015 INTERIM REVISIONS Item Code: LRFDMOV-2-M These specifications address the design of movable highway bridges, including bascule span, swing span, and vertical lift bridges . Multiplying by the load factor, this. The live load is notional and meant to capture an envelope. 10 AASHTO Pedestrian Bridges – CI. Figare C3. 11. AASHTO LRFD stipulates that the design wind load for a chain-link or metal-fabric fence shall be 15 pounds per square foot applied to the full fence height. See all formats and editions. AASHTO A Policy on Design Standards – Interstate System, 2016. To verify accuracy, check the appropriate style guide. The first edition of the LRFD specifications limited the concrete compressive strength to be used in design to a maximum value of 10. Chapter NR 320 Bridges in or over Navigable Waterways . Mechanical, electrical, and special (AASHTO) LRFD Bridge Design Specifications, it is an excellent engineering resource for both professionals and students. Oguzhan Bayrak, University of Texas at Austin A rticle 5. The specifications employ the Load and Resistance Factor Design. and be clearly identified on both the structural plans and the shop drawings. AASHTO GSDPB. Unless otherwise specified, the Materials Specifications referenced herein are the AASHTO Standard Specifications for Transportation Materials and Methods of Sampling and Testing. Aug 31, 2022 · The AASHTO LRFD Bridge Design Specifications, 8th Edition, 2017, including its Errata, the AASHTO LRFD Guide Specifications for the Design of Pedestrian Bridges, 2009, including its 2015 Interims, and the following VDOT Modifications are effective for projects with an Advertisement date after June 11, 2019. LRFD Guide Specifications for the Design of Pedestrian Bridges . 65 to 0. 5. 17(85) = 184 psf and. W. 1-2--Live Load of Jul 29, 2023 · Pedestrian bridges lrfd aashto atrás adelante Aashto guide specifications for design of pedestrian bridges 2009 Aashto pedestrian bridges. , 2002; Rossini & al. 10. They are primarily designed for pedestrian, bicyclist, equestrian, or light-maintenance-vehicle traffic but are not designed The AASHTO LRFD Bridge Design Specifications are intended for use in the design, evaluation, and rehabilitation of bridges. , Suite 249, Washington, DC 20001. FHWA requires all bridges carrying traffic on the National Highway System following errata changes to the . MATERIALS . vk nw il aw jl py aa fe fd ws