Click here to purchase This manual was created as a resource for transportation agencies to develop and sustain the operational capabilities and strategies needed to preserve and optimize transportation system performance. It is designed to guide transportation leaders and practitioners as they define and support their transportation systems management and operations (TSMO) efforts. The manual...
Click here to purchase These guide specifications are intended for use in the repair and strengthening of reinforced and prestressed concrete highway bridge elements using externally bonded fiber-reinforced polymer (FRP) composite systems. The guide specifications have been updated to better align with ACI 440 strain approaches, and major updates include the following:Flanged sections in...
Click here to purchase The Guide to Preservation of Highway Bridge Decks, 1st Edition, outlines preservation treatments, including deck overlays, surface sealers, and deck repairs, that can extend the life of bridge decks in service, and presents the factors in deck capacity and durability that can influence the identification of candidates for deck preservation. The guide is designed for...
Click here to purchase The primary purpose of geotechnical subsurface investigations in transportation projects is to collect data that will help transportation engineers and planners identify, assess, and address risks associated with subsurface conditions; select appropriate design parameters; and monitor performance during construction and operation phases of an asset’s life cycle....
Click here to purchase The Standard Specifications for Transportation Materials and Methods of Sampling and Testing, and AASHTO Provisional Standards (the "Materials Standards") contains specifications, recommended practices, and test methods commonly used in the construction of highway facilities. Provisional standards are also published to allow practitioners to use them early in the research...
Click here to purchase This guide provides guidance on the planning, design, and operation of pedestrian facilities along and across streets and highways. Specifically, the guide focuses on identifying effective measures for accommodating pedestrians on public rights-of-way, as well as describing appropriate methods for accommodating pedestrians, which vary among roadway and facility types. It...
Click here to purchase Developed by the AASHTO Committee on Bridges and Structures, this Guide is intended to offer guidance on selecting specific, cost-effective preservation and maintenance actions and treatments for agencies wishing to extend service life and estimate needed budgets to optimize performance of bridge inventories. It can be used to help preserve bridges and extend their service...
Click here to purchase This guide provides Inspectors with guidelines for routine condition assessment of culverts or storm drains, and includes a reliable and reproducible method to rate the condition of all system components. This component-based rating system enables qualified inspectors to assess common distress types, evaluate their severity, understand their significance, and assign a...
Click here to purchase This guide specification is intended to offer design recommendations for agencies wishing to implement service life design principles and detailing recommendations. It was developed to incorporate quantitative approaches, along with proven deemed-to-satisfy provisions, into a single comprehensive design document for implementation on a national level. It also establishes a...
Click here to purchase The AASHTO LRFD Bridge Design Specifications are intended for use in the design, evaluation, and rehabilitation of bridges. The specifications employ the Load and Resistance Factor Design (LRFD) methodology, using factors developed from current statistical knowledge of loads and structural performance. This new 9th edition includes revisions to almost all sections of the...
