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Category: General News

11th International Bridge and Structure Management Conference

2016-04-14
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| Categories: Bridge Design/Const., Bridge Pres. Apps., Conferences, Events, General News, New Technology, News

The 11th International Bridge and Structures Management (BSM) Conference will cover a broad range of topics on bridge and transportation structures in all stages of implementation of asset management practices. Themes will include comprehensive implementation within and across organizations, establishing and monitoring asset management plans, performance measures for asset management, tools and technology to assist decision making, state of…

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Nearly 59,000 U.S. Bridges Still Structurally Deficient, New Analysis Finds

2016-03-17
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| Categories: Bridge Design/Const., Bridge Pres. Apps., Data/Statistics, General News, Legislative / Political, New Technology, News, Studies / Reports

American Road & Transportation Builders Association 18 February 2016 National & State Data Available: www.artbabridgereport.org (WASHINGTON)—There’s good news and bad news to report about the condition of America’s bridges. The good news is there were 2,574 fewer structurally deficient bridges in 2015 compared to the number in 2014. The bad news is there are still 58,500 on the structurally…

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McConnell named to board

2016-03-16
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| Categories: General News, Legislative / Political, News

Mississippi Business Journal 15 March 2016 Mark McConnell Mississippi Department of Transportation Deputy Executive Director and Chief Engineer Mark McConnell was recently appointed to chair a committee of the American Association of State Highway and Transportation Officials. AASHTO President Paul Trombino appointed McConnell to chair the Transportation System Preservation Technical Service Program known as TSP2. The mission of TSP2…

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Long-Term Bridge Performance Committee Letter Report: February 23, 2016

2016-03-16
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, Journals/Publications, New Technology, News, Studies / Reports

  On February 23, 2016, TRB’s Long-Term Bridge Performance (LTBP) Committee sent its sixth letter report to Gregory Nadeau, 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…

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Best Practice for Life Cycle Analysis for Tunnel Equipment

2016-03-08
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| Categories: General News, New Technology, News, Studies / Reports

The World Road Association has released a report that describes how life-cycle analysis can be performed systematically, how system criteria can be used, how aggregation of criteria can be done, and how risk-based methods for system analysis can be applied. This report is available for no fee after logging onto the site. Read the Report

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New Sellwood, Ore., Bridge Includes Seismic Engineering, Used ‘Sustainable’ Techniques

2016-03-07
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News

AASHTO Journal, 4 March 2016 A now-completed bridge over the Willamette River in Oregon not only replaces a 91-year-old structure with a new one that has seismic protections, but is also the state’s first registered “Greenroads” project for the sustainable building techniques used in its construction. Deputy Federal Highway Administrator David Kim joined U.S. Sen. Jeff Merkley, Oregon Department…

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FHWA Guidance on Highway Preservation and Maintenance

2016-03-02
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| Categories: General News, Legislative / Political, New Technology, News

The FHWA has updated its guidance on highway preservation and maintenance activities to be consistent with MAP-21 and the FAST Act. The following guidance memoranda have been superseded: • Pavement Preservation Definitions, September 12, 2005, • Preventive Maintenance Eligibility, October 8, 2004, and • Preventive Maintenance Questions and Answers, December 16, 2004. Link to the FHWA’s Revised Guidance (.cfm)…

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Develop Epoxy Grout Pourback Guidance and Test Methods to Eliminate Thermal/Shrinkage Cracking at Post-Tensioning Anchorages

2016-03-02
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News, Studies / Reports

The Florida Department of Transportation has released a report that conducts an experimental investigation to understand epoxy grout pourbacks’ failure mechanisms on bridges and provide guidance for eliminating failures.  Read the Report

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Public Perception of Mileage-Based Use Fees

2016-03-02
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| Categories: General News, Journals/Publications, Legislative / Political, New Technology, News

  TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 487: Public Perception of Mileage-Based Use Fees explores proposals to replace the current motor fuel tax with a road usage charge assessed on vehicle-miles traveled, often called a mileage-base user fee (MBUF). The report identifies and assesses various measures of public opinion on the MBUF concept. Read NCHRP Synthesis 487

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Idaho DOT Builds New Osprey Housing to Enables Inspections of Dent Bridge

2016-02-08
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, Legislative / Political, New Technology, News

AASHTO Journal, 5 February 2016 The Idaho Department of Transportation found itself caught between requirements to inspect overhead suspension cable saddles on the 1,500-foot-long Dent Bridge north of Orofino and the need to safeguard federally protected osprey that had been nesting at points that would prevent inspections. Old osprey nest. Its answer was to build four new aluminum platforms…

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FHWA Grant Helps Arizona DOT Add Monitoring Systems to Remote Bridges

2016-02-01
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News

AASHTO Journal, 29 January 2016 The Arizona Department of Transportation said it will tap a federal grant this autumn to install information sensors on four Interstate 15 bridges in remote northwestern Arizona, which will provide ADOT engineers in Phoenix with real-time data on bridge conditions. ADOT said the technology project is funded by a $768,000 Federal Highway Administration grant…

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New research changing how you will build bridges

2016-01-29
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News

Better Roads, 19 January 2016 Tom Kuennen Eliminating the “end-bump” in construction of bridge approaches … precast deck panels speeding bridge construction … quick seismic retrofits for bridge piers … and how rockets can speed construction of suspension bridges in isolated areas. Each of these topics will change how bridges will be built in the future, and they were among…

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Predicting Fatigue Service Life Extension of RC Bridges with Externally Bonded CFRP Repairs

2016-01-21
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News, Studies / Reports

The Upper Great Plains Transportation Institute has released a report that presents the results of an experimental study on the fatigue performance of reinforced concrete beams strengthened with different externally bonded carbon fiber reinforced polymer systems. Read the Report

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RFP: Revised Clear-Water and Live-Bed Contraction Scour Analysis

2016-01-21
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News

TRB’s National Cooperative Highway Research Program (NCHRP) has released a request for proposals to develop live-bed and clear-water contraction scour equations suitable for use in risk-based bridge design for a wide range of hydraulic conditions, contraction ratios, bed material, and gradation uniformities. Proposals are due March 1, 2016. Read the RFP

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RFP: Proposed AASHTO Guidelines for Use of Stainless Steel in Bridge Girders

2016-01-15
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News, Studies / Reports

TRB’s National Cooperative Research Board Program (NCHRP) has released a request for proposals to develop proposed AASHTO Load and Resistance Factor Design (LRFD) design guidelines for stainless steel girders for full-length girder bridges and end sections of A709 steel girders; and guidelines for stainless steel superstructure fabrication. Proposals are due February 23, 2016. Project: Project Information Read the RFP

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St. Croix bridge opening delayed a year to 2017

2016-01-07
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News

Pioneer Press, 6 January 2016 Mary Divine Work continues on the new St. Croix River bridge on Wednesday, January 6, 2016. It will open later than originally planned. (Pioneer Press: Jean Pieri)   From flooding and an early cold snap to major equipment failures, the St. Croix River bridge project has faced one problem after another. Now, officials say…

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INDOT to track overweight semi license plates

2016-01-07
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| Categories: Bridge Design/Const., Bridge Pres. Apps., Data/Statistics, General News, Legislative / Political, New Technology, News

JC online Lafayette Journal & Courier 1 January 2016 (Photo: Journal & Courier file photo) The Indiana Department of Transportation will test license plate-tracking technology next year to monitor “unpermitted overweight vehicles,” the agency said Tuesday. Officials said INDOT will pilot the technology after an overweight semi passed over Interstate 65’s southbound Wildcat Creek bridge in Tippecanoe County. Crews spent three days repairing damage to…

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RFP: Toughness Requirements for Heat-Affected Zones of Welded Structural Steels for Highway Bridges

2015-12-23
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News

TRB’s National Cooperative Highway Research Program (NCHRP) has released a request for proposals todevelop proposed toughness requirements for the heat-affected zones of welded structural steels for highway bridges, as identified in AASHTO M 270, Standard Specification for Structural Steel for Bridges. Proposals are due February 9, 2016. Project: Project Information Read the RFP

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