The Missouri Department of Transportation has released a report that explores non-destructive techniques for bridge deck assessments through using ground-coupled penetrating radar. Read the Report
The Institute for Transportation at Iowa State University has released a study that explains guidelines for the design and construction of mass concrete placements associated with large bridge foundations. Read the Study
Austroads has released a report that develops a traffic adjustment factor by updating and re-analyzing the loading effect of heavy vehicles on seal surfacings. Read the Report
Austroads has released a report that reviews the current Australian Standard Bridge Design guidelines for bridge load capacity assessment as a possible means to improve freight productivity. Read the Report
The U.S. Federal Highway Administration (FHWA) has released a tech brief that defines long-term bridge performance (LTBP) and discusses the importance of measuring bridge performance and practices. Read the Tech Brief
The Region 2 University Transportation Research Center at Columbia University has released a report that considers an approach that provides in-situ characterization of waste classification for removal of paint from bridges and other structures. Read the Report
The Region 2 University Transportation Research Center at Columbia University has released a report that presents results of a study that develops a damage detection methodology for bridges based on Statistical Pattern Recognition. Read the Report
The U.S. Federal Highway Administration has released a report that discusses development of optimized sections of ultra-high-performance concrete (UHPC) pi-girders as a way of utilizing the mechanical properties of UHPC over longer span lengths. Read the Report
AASHTO Journal, 14 February 2014 Officials at the Washington State Department of Transportation updated the public this week on its progress in getting the tunneling machine beneath downtown Seattle back to work. The world’s largest boring machine, which had been tasked with creating the new SR 99 tunnel underneath Seattle as part of the Alaskan Way Viaduct Replacement Program,…
AASHTO Journal, 14 February 2014 New York State Department of Transportation officials joined Gov. Andrew Cuomo last week to announce that the agency had concluded work on all bridges included in the accelerated bridge improvement program, NY Works. The $212 million NY Works program was created in the 2012-2013 state budget to “address bridge deck and structural replacement or…
AASHTO Journal, 14 February 2014 Officials from the Missouri Department of Transportation, the Illinois Department of Transportation, and federal transportation officials recently celebrated the opening of a bridge that reduces congestion, provides a faster route for commuters, and allows for greater safety. IDOT and MoDOT opened the Stan Musial Veterans Memorial Bridge on I-70 in St. Louis to traffic…
The Institute for Transportation at Iowa State University has released a report that discusses the behavior of six in-service, horizontally curved, steel-girder bridges with integral and semi-integral abutments. Read the Report
On January 27, 2014, TRB’s Long-Term Bridge Performance (LTBP) Committee sent its fourth letter report to Victor Mendez, administrator of the Federal Highway Administration (FHWA). The committee provides advice and assistance on the conduct of the LTBP program, which is designed to collect research-quality data on a large representative sample of in-service U.S. highway bridges and to analyze these…
TRB’s second Strategic Highway Research Program (SHRP 2) Reliability Project R19B has released a prepublication, non-edited version of a report titled Bridges for Service Life beyond 100 Years: Service Limit State Design that explores design codes critical for bridges to reach a service live of beyond 100 years. The report also addresses performance measures and design procedures that utilize…
AASHTO Journal, 17 January 2014 Officials from the Texas Department of Transportation and the Louisiana Department of Transportation and Development joined forces this week to break ground on a bridge replacement project that will enhance safety on a vital connection between the two states. The two state transportation departments have begun are replacing the U.S. 84 Sabine River Bridge,…
The Washington State Department of Transportation has released a report that examines the perceived costs and benefits of routine washing of both steel and concrete bridges, with an emphasis on substructure seats and bridge decks. Read the Report
The U.S. Federal Highway Administration has released a tech brief that reviews research on non-destructive testing and sensing technologies of bridges so as to provide an assessment of their cable conditions. Read the Technical Brief
AASHTO Journal, 10 January 2014 The Rhode Island Department of Transportation recently took home an award for the design of its Pawtucket River Bridge, completed last September. RIDOT received the Honor Award from the Rhode Island Chapter of the American Institute of Architects for the design of the bridge. One of the organization’s most prestigious awards, the Honor Award…
Better Roads, 6 January 2014 Tina Grady Barbaccia (Photo: WisDOT) The Leo Frigo Memorial Bridge has been closed since Sept. 25 after motorists reported a 2-foot dip in the pavement across all lanes of traffic east of the river, according to a report in the Post Crescent. Now, around-the-clock repair efforts keep the Green Bay, Wis., bridge on track…
The Institute for Transportation at Iowa State University has released a report that explores the use of radio frequency identification (RFID) tags as low-cost corrosion sensors of steel reinforcing bar on bridge decks. Read the Report
The U.S. Federal Highway Administration has released a tech brief that assesses the after-fracture internal and structural redundancy of a two-line, simple-span truss bridge that was slated for explosive demolition. Read the Tech Brief
Pavement Preservation Journal, Fall 2013, Vol. 6, No. 3 News Brief In April 2013, the International Grooving & Grinding Association reported that California had instituted a new specification to reduce noise from concrete bridge decks. Read the Full Article
Better Roads, 20 December 2013 Tina Barbaccia Here’s a look at the rehabilitation of seven overpasses in six locations and one bridge rehabilitation throughout the City of St. Louis. The video explains how rapid-set cement was used in the rehabilitation and the process of how it was used using volumetric mixers.
AASHTO Journal, 20 December 2013 Officials from the Michigan Department of Transportation and the Mackinac Bridge Authority (MBA) announced Tuesday that they have halted the toll increases scheduled to take place on the bridge on Jan. 1, allowing drivers to keep a little extra money in their pockets in the new year. Instead of raising the tolls for 2014 as originally planned, the…
AASHTO Journal, 20 December 2013 State transportation officials in North Carolina this week re-opened the Herbert C. Bonner Bridge, which had been shut down earlier this month due to safety concerns (see related AASHTO Journal story here). The bridge serves as a vital route for those traveling from the outer banks to the mainland. To re-open the bridge, the…
AASHTO Journal, 20 December 2013 Roads and Bridges Magazine last month released its annual list of the top 10 bridges in the U.S., naming five state transportation department bridges among the best in the country. Virginia Department of Transportation’s $105 million “Route 460 Connector Phase 1 Design-Build, Grassy Creek Bridge” project, located in Breaks, Va., was identified as the…
The Center for Transportation Research at the University of Texas at Austin has released a report that presents results of corrosion resistance from full-scale, post-tensioned bridge systems after four and six years of tests. Read the Report
The U.S. Federal Highway Administration has released a report that summarizes a workshop focused on the foundations of bridges over dry land and waterways. Read the Report
TRB’s National Cooperative Highway Research Program (NCHRP) has issued a request for proposals to develop proposed guidance for evaluating and maintaining small movement bridge joints. Proposals are due February 11, 2014. Read the RFP
TRB’s National Cooperative Highway Research Program (NCHRP) Innovations Deserving Exploratory Analysis (IDEA) Final Report for NCHRP-IDEA Project 162: Full-Scale Prototype Testing and Manufacturing and Installation Plans for New Scour- Vortex-Prevention scAUR and VorGAUR Products for a Representative Scour-critical Bridge addresses computational work on the effects of pier size or scale and model flume tests for other sediments, other abutment designs, and…
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