The Mountain-Plains Consortium at North Dakota State University has released a report that examines changes in bridges’ mechanical properties for concrete and under fatigue loading and freeze-thaw cycles. Read the Report
The Florida Department of Transportation has released a report that assesses the feasibility of carbon fiber reinforced polymer tendons and to develop guidelines for post-tensioned bridge applications, including segmental bridges and pier caps. Read the Report
The Kentucky Transportation Center at the University of Kentucky has released a report that considers the tools, training, and plans that will be needed for carrying out preventative maintenance work on bridges. Read the Report
The Maryland State Highway Administration has released a report that discusses corrosion decay on structures as it relates to the deployment of materials that can be used to provide durable corrosion protection and prevention of premature spalling or corrosion-induced cracking. Read the Report
The Florida Department of Transportation has released a report that evaluates the performance and usability of internally-cured concrete by using lightweight aggregates for bridge decks and concrete pavement slabs in Florida. Read the Report
The Oregon Department of Transportation has released a report that investigates methods for strengthening deficient flexural steel anchorages on bridges by using supplemental surface bonded metallic reinforcing bars. Read the Report
Austroads has released a report that provides information about the design, construction, and maintenance of 122 road tunnels in Europe, Asia, North and Central America, Australia, and New Zealand. This report is available for no fee after logging onto the site. Read the Report
The Maryland State Highway Administration has released a report that addresses possible barriers and concerns related to the implementation of prefabricated bridges and accelerated bridge construction, including an assessment of quality and durability. Read the Report
The Maryland State Highway Administration has released a report that investigates the design criteria and practices used for improving the quality of bridge designs, including for live load deflection on steel bridges. Read the Report
The Washington State Department of Transportation has released a report that discusses changes made to its concrete specification for bridge decks in an effort to reduce early-age restraint cracking. Read the Report
The Oregon Department of Transportation has released a report that evaluates the cyclic performance of a reinforced concrete square column and bridge bent that reflect subduction zone earthquake demands. Read the Report
TRB’s National Cooperative Research Program (NCHRP) Innovations Deserving Exploratory Analysis (IDEA) Report 156: Novel Coating Technology for Improving the Corrosion Resistance and Mechanical Properties of Reinforcing Steel in Concrete explores the development of a new coating technology with improved corrosion and mechanical performance as compared to existing commercially available coatings used for reinforcing steels. The coatings may extend…
Austroads has released a report that identifies differences in Australian and New Zealand road agencies’ bridge deterioration modelling and prediction tools for improving the scheduling of maintenance and replacement works. This report is available for no fee after logging onto the site. Read the Report
The Iowa State University Institute for Transportation has released a report that presents a literature review on long-term monitoring of bridge systems and applications, the prototype hardware of these systems, and methodological issues. Read the Report
The U.S. Centers for Disease Control has released a summary that explains its efforts to develop safety standards for preventing falls from wooden platforms on bridge decks. Read the Summary
The Oregon Department of Transportation has released a report that identifies and demonstrates a methodology to prioritize bridges for retrofit by prioritizing the inventory and enumerating the cost. Read the Report
The Institute for Transportation at Iowa State University has released a report that evaluates the performance of several concrete coating alternatives based on AASHTO specifications and on their performance on in-service bridges. Read the Report
The Missouri Department of Transportation (MoDOT) has released a report that discusses the utility of air-launched ground penetrating radar for assessments of bridge decks. Read the Report
The Institute for Transportation at Iowa State University has released a report that presents a study on the recently-developed air-coupled impact-echo (IE) nondestructive testing method in which microphones replace the traditional physically-coupled IE sensors for testing concrete on bridge decks. Read the Report
The Center for Transportation Research at the University of Texas at Austin has released a report that evaluates the strength and serviceability of post-tensioned girders loaded in shear, including how a post-tensioning duct located in the web of a girder affects the shear transfer mechanism of a bulb-tee cross-section. Read the Report
AASHTO Journal, 1 May 2015 The Federal Highway Administration has begun collecting new data from state departments of transportation to more closely monitor bridge conditions throughout the nation. Each year, state DOTs provide bridge inspection information to an FHWA national database by the end of April, and starting this year that includes more detailed “element-level” descriptions of conditions. “Smart…
The Center for Transportation Research at the University of Texas at Austin has released a report that analyzes the feasibility and effectiveness of a lightweight noise barrier on a highway segment that has presented noise problems for the adjacent neighborhood. Read the Report
The Florida Department of Transportation has released a report that considers coating technologies for steel components in highway bridges to identify those that would provide corrosion durability of the components and reduce inspection and maintenance costs. Read the Report
The Missouri Department of Transportation has released a report that presents the behavior of hollow-core fiber reinforced polymer concrete-steel bridge columns under combined axial-flexural and vehicle collision loads. Read the Report
The Louisiana Department of Transportation and Development has released a report that develops bridge scour monitoring techniques using fiber optic sensors as a means to address the difficulty of inspecting bridge scour. Read the Report
The Mountain-Plains Consortium at North Dakota State University has released a report that considers the feasibility of creating an integrated structural health monitoring and impact/collision detection system for bridges in remote cold regions. Read the Report
The Center for Transportation Research at the University of Texas at Austin has released a report that describes a research program developed to study cast-in-place (CIP) splice regions of spliced I-girders, practices that have been implemented in CIP splice regions, and design recommendations based on the structural performance of spliced I-girder specimens. Read the Report
The Mountain-Plains Consortium at the University of Wyoming has released a report that considers the geotechnical process associated with the failure of compacted earth, spill-through abutments, and spill-slope soil on abutment scour of bridges. Read the Report
The Ohio Department of Transportation has released a report that evaluates different approaches to address premature bridge cracking through use of test parapets. Read the Report
The Minnesota Department of Transportation has released a report that identifies new techniques and equipment that can improve the quality of timber bridge inspection practices and can be implemented as part of the National Bridge Inspection Standards (NBIS). Read the Report
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