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Category: Bridge Pres. Apps.

New Virginia Roadway Bridge Incorporates Alternative Modes, Community Heritage

2015-09-21
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News

AASHTO Journal, 18 September 2015 Virginia Gov. Terry McAuliffe and Transportation Secretary Aubrey Layne, along with U.S. Deputy Transportation Secretary Victor Mendez, opened a new roadway bridge near Arlington National Cemetery that incorporates alternative travel modes with improved roadway use and features that highlight the local community’s heritage. The $59.5 million project replaced a structurally deficient, weight-limited structure built…

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RFP: Proposed Guidelines for Performance-Based Seismic Bridge Design

2015-09-15
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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 issued a request for proposals to provide guidance to help bridge owners and designers define enhanced seismic performance objectives and design bridges to meet those objectives. Proposals are due by November 3, 2015. Project: Project Information Project Number: 12-106 Read the RFP

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Complex Minnesota, Wisconsin Bridge Project Over St. Croix River Facing Delays

2015-09-14
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, Legislative / Political, New Technology, News

AASHTO Journal, 11 September 2015 The Minnesota and Wisconsin Departments of Transportation said Sept. 4 that the completion date for the bridge portion of the St. Croix Crossing project near Stillwater, Minn., will be delayed past the autumn of 2016 and into 2017. “This is a very complex engineering project,” said MnDOT Commissioner Charles Zelle. “This is only the…

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INDOT Reopens I-65 Bridge Ahead of Schedule After Month-Long Closure

2015-09-14
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News

AASHTO Journal, 11 September 2015 A heavily traveled bridge on northbound Interstate 65 near Lafayette, Ind., which was closed after sinking several inches during some construction work over Wildcat Creek, was reopened to traffic the night of Sept. 6 after being closed since Aug. 7. That was a week or more ahead of the mid-September reopening schedule the Indiana…

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Wyoming I-90 Bridge Strike From Oversized Cargo Haul Leaves ‘Major’ Damage

2015-09-08
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News

AASHTO Journal, 4 September 2015 The Wyoming Department of Transportation faces more than $1 million in damage to an Interstate 90 bridge in Gillette, along with traffic curbs on two routes and lengthy repairs, after a truck hauling an oversized load on a state highway struck it from beneath on Sept. 2. The I-90 bridge over state route 59…

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Indiana Aims for Mid-September Fix to Sagging I-65 Bridge, Highway Detours

2015-09-08
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, Legislative / Political, New Technology, News

AASHTO Journal, 4 September 2015 Some drivers heading north on Interstate 65 out of Lafayette, Ind., have been dealing with a long detour throughout August that might cost them as much as an extra hour, news reports say. But the Indiana Department of Transportation said its contractor projects that a damaged I-65 bridge should reopen to traffic by mid-September….

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RIDOT’s Special Bridge Inspections Lead to Immediate Repairs for Dozens

2015-09-08
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, Legislative / Political, New Technology, News

AASHTO Journal, 4 September 2015 The Rhode Island Department of Transportation said an accelerated inspection it conducted in recent months of 230 structurally deficient bridges led to emergency closures in a few areas and immediate repairs at 28 structures. RIDOT launched the special inspections program in May and finished on schedule by mid-August. It resulted in an emergency closure…

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Mississippi DOT Recalls Major Bridge Work After Katrina, Rebuilding of US 90

2015-08-28
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, Legislative / Political, New Technology, News, Pavement Design/Const., Pavement Pres. Apps., Treatments

AASHTO Journal, 28 August 2015 At the 10th anniversary of Hurricane Katrina, the Mississippi Department of Transportation is recalling how the storm left more than $1 billion in damages to the state’s transportation infrastructure, including destruction of two major bridges crossing bays along the Gulf Coast. The agency has also highlighted the rebuilding efforts it launched to bring the…

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Methods for the Detection of Soluble Salts (48 min)

2015-08-25
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| Categories: Bridge Design/Const., Bridge Pres. Apps., Courses/Seminars, New Technology, News

KTA-Tator, Inc. has made the subject 48-minute training Webinar available. Topics Covered: • Overview & purpose – SSPC Guide 15 • Listing of ISO Standards for soluble salt detection • Methods of surface extraction • Methods of analysis in the shop or field • Conversions based on assumption of sodium chloride Access the Subject Webinar

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Coating Adhesion Testing Methods and Equipment (50 min)

2015-08-25
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| Categories: Bridge Design/Const., Bridge Pres. Apps., Courses/Seminars, New Technology, News

KTA-Tator, Inc. has made the subject 50-minute training Webinar available. Topics Covered: • Why measure adhesion properties? • What is being measured? • Selecting an adhesion testing method • Measuring adhesion by the tape test • Measuring adhesion by the knife test • Measuring pull-off adhesion • Special requirements for testing concrete coating adhesion • Common pitfalls when testing…

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SSPC-PA 2: Procedure for Determining Conformance to Dry Coating Thickness Requirements (44 min)

2015-08-25
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| Categories: Bridge Design/Const., Bridge Pres. Apps., Courses/Seminars, New Technology, News

KTA-Tator, Inc. has made the subject 44-minute training Webinar available. Topics Covered: Background of SSPC- PA 2 Overview and purpose of SSPC-PA 2 Purpose of ASTM D 7091 Definitions Gage Descriptions Calibration, Verification of Accuracy, and Adjustment Measurement Procedures Frequency and number of measurements Conformance to specified thickness Content of nine appendices Access the Subject Webinar

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Stainless Steel Prestressing Strands and Bars for Use in Prestressed Concrete Girders and Slabs

2015-08-25
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| Categories: Bridge Design/Const., Bridge Pres. Apps., New Technology, News, Studies / Reports

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

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Methods for Strengthening Reinforced Concrete Bridge Girders Containing Poorly Detailed Flexural Steel Using Near-Surface Mounted Metallics

2015-08-25
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| Categories: Bridge Design/Const., Bridge Pres. Apps., New Technology, News, Studies / Reports

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

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Legal Settlement Clears Path for Start of Major NC Outer Banks Bridge Project

2015-08-25
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, Legislative / Political, New Technology, News

AASHTO Journal, 21 August 2015 North Carolina Gov. Pat McCrory announced Aug. 18 that final roadblocks have been cleared away for the state Department of Transportation to proceed with building a new Herbert C. Bonner Bridge on NC 12 over the Oregon Inlet along the Outer Banks.  Bonner Bridge “Completing the terms of a settlement agreement reached in June,…

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Novel Coating Technology for Improving the Corrosion Resistance and Mechanical Properties of Reinforcing Steel in Concrete

2015-07-30
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News, Studies / Reports

  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…

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Alaska Clears Way for Two Major Bridge, Highway Projects to Advance in Planning

2015-07-28
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News

AASHTO Journal, 24 July 2015 Two major roadway projects in Alaska were cleared to advance their planning this month, after the administration of Gov. Bill Walker lifted an order that had stopped spending on the development work, the Alaska Journal of Commerce reported. Walker had taken office Dec. 1 amid a time of stress for oil-dependent state finances as…

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I-10 Bridge Collapse Threatens California-Arizona Commerce, Triggers Fast Repair

2015-07-28
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, Legislative / Political, New Technology, News

AASHTO Journal, 24 July 2015 When fast-moving storm waters undermined a desert bridge in California and led to its July 19 collapse, the disruption to traffic on Interstate 10 quickly rose in concern both for that state and Arizona and became a rallying point on the U.S. Senate floor for a new highway bill. Within days, the U.S. Department…

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Improved Bridge Deterioration Models, Predictive Tools and Costs

2015-07-21
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News, Studies / Reports

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

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Michigan Tapping FHWA Emergency Aid to Replace Destroyed Detroit Pedestrian Bridge

2015-07-20
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, Legislative / Political, News

AASHTO Journal, 17 July 2015 The Michigan Department of Transportation said it will replace a pedestrian overpass bridge in Detroit that was destroyed last September by an over-height truck strike, with the help of about $2.9 million in Federal Highway Administration emergency funds. The accident, which left the truck driver dead, pulled the bridge down onto the Southfield Freeway…

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FHWA Launches National Tunnel Inspection Program, Modeled After Bridges Effort

2015-07-20
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News

AASHTO Journal, 17 July 2015 The Federal Highway Administration published a final rule for national tunnel inspection standards, which will be the basis of its first standardized tunnel inspection program. This effort will be modeled after what the FHWA said is its “successful bridge program established nearly a half-century ago to ensure the safety of the nation’s bridges.” U.S….

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