Product Description: This document represents the “State of the Practice” with respect to all aspects of accelerated bridge construction (ABC). The intent of this manual is to fill in the gaps left by publication of the previous manuals. The manual covers ABC techniques, project planning and scoping, implementing ABC in a Transportation Agency, prefabricated elements, long-term performance of prefabricated elements, construction and design...read more

Product Description: The goal of bridge inspections is to assess the safety of bridges on a regular basis so that any deficiencies will be identified and corrected. Given the large number of bridges over water in any State, bridge inspectors must inspect the superstructure, substructure, and waterway of each bridge in a short amount of time...read more

Product Description: Bottomless (or three-sided) culverts use the natural channel bed and are environmentally attractive alternatives to traditional closed culverts. Moreover, they are considered by many highway agencies to be economical alternatives for replacing short bridges...read more

Product Description: Bottomless culverts are three-sided structures that use the natural channel for the bottom. These structures could be used to convey flows from one side of a highway to the other. As such, they are an environmentally attractive alternative to box, pipe, and pipe arch culvert designs...read more

Product Description: Bridges are a vital component of the transportation network. Evaluating their stability and structural response after a flood event is critical to highway safety. Bridge studies are usually designed with an assumption of an open channel flow condition, but the flow regime can switch to pressure flow when the downstream edge of a bridge deck is partially or totally submerged during a large flood...read more

Product Description: This publication identifies and provides design guidelines for bridge scour and stream instability countermeasures that have been implemented by various State departments of transportation (DOTs) in the United States. Countermeasure experience, selection, and design guidance are consolidated from other FHWA publications in this document to support a comprehensive analysis of scour and stream instability problems and provide a range of solutions to those problems...read more

Product Description: This report presents the summary and synthesis of the various components of the experimental study entitled “Effects of Gradation and Cohesion on Bridge Scour” conducted at Colorado State University between the dates 1991 through 1996...read more

Product Description: The Federal Highway Administration (FHWA’s) Climate Change and Extreme Weather Vulnerability Assessment Framework (hereafter, “the framework”) is a guide and collection of resources for use in analyzing the impacts of climate change and extreme weather on transportation infrastructure...read more

International contributors give wide coverage of the latest developments in the theory and practice of the drying of solids. Drying is one of the most common and energy-intensive operations in industry, and the cost is determined by the desired level of product moisture and the unit operation of nonthermal dewatering--hence the commissioned article on a new dewatering technique. Articles are balanced between theory and applications and practicing engineers should find a wealth of useful information. Topics covered include drying theory and modelling, drying of granular solids, drying of sheets, drying of foodstuffs, drying of agricultural products, solar drying, and drying of slurries.

Product Description: This manual presents a stream simulation design procedure, methods and best practices for designing culverts to facilitate aquatic organism passage (AOP). Although this manual focuses on culverts, the design team should recognize that an appropriate structure for any given crossing may be a bridge...read more

Product Description: Debris accumulation at culvert and bridge structures openings is a widespread problem. The accumulation of debris at inlets of highway culverts and bridge structures is a frequent cause of unsatisfactory performance and malfunction...read more

Product Description: Flexible linings provide a means of stabilizing roadside channels. Flexible linings are able to conform to changes in channel shape while maintaining overall lining integrity. Long-term flexible linings such as riprap, gravel, or vegetation (reinforced with synthetic mats or unreinforced) are suitable for a range of hydraulic conditions...read more

Product Description: This primer is focused on the collaborative and systematic consideration of management and operations during transportation project design and development. This is termed “designing for operations.” Effectively designing for operations involves the development and application of design policies, procedures, and strategies that support transportation management and operations...read more

Product Description: This Guide is designed to help transportation agencies develop and implement transportation management plans (TMPs). A TMP lays out a set of coordinated transportation management strategies and describes how they will be used to manage the work zone impacts of a road project...read more

Product Description: Durability of Culverts and Special Coatings is intended to provide up-to-date storm drain and culvert material selection methods and techniques to assist the highway engineer in designing culverts. While the program was to consider a variety of materials, the predominant focus was on Aluminized Type 2 corrugated steel pipe (CSP) and its performance versus galvanized CSP...read more

Product Description: Experimental results and analyses are given in this report on bridge abutment scour in compound channels. Experiments were conducted in a laboratory flume with a cross section consisting of a wide floodplain adjacent to a main channel...read more

Product Description: The most common cause of bridge failures is from floods scouring bed material from around bridge foundations. Scour is the engineering term for the erosion caused by water of the soil surrounding a bridge foundation (piers and abutments)...read more