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Category: Bridge Design/Const.

Proposed Guideline for Reliability-Based Bridge Inspection Practices

2014-10-15
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News, Studies / Reports

TRB’s National Cooperative Highway Research Program (NCHRP) Report 782: Proposed Guideline for Reliability-Based Bridge Inspection Practices presents a proposed guideline for reliability-based bridge inspection practices and provides two case studies of the application of the proposed guideline. The guideline describes a methodology to develop a risk-based approach for determining the bridge inspection interval according to the requirements in Moving…

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RFP: Proposed AASHTO Seismic Specifications for ABC Column Connections

2014-10-15
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| Categories: Bridge Design/Const., Bridge Pres. Apps., New Technology, News

TRB’s National Cooperative Highway Research Program (NCHRP) has issued a request for proposals to develop displacement-based design and construction specifications for implementation of accelerated bridge construction (ABC) column connections in moderate-to-high seismic regions. Proposals are due by December 9, 2014. Project: Project Information Project Number: 12-105 Read the RFP

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Giant Crane Arrives to Cut Costs in New York’s Big Tappan Zee Bridge Replacement Project

2014-10-15
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| Categories: Bridge Design/Const., Bridge Pres. Apps., New Technology, News

AASHTO Journal, 10 October 2014 ​ The super crane at the Tappan Zee Bridge. Photo courtesy of the New York State Thruway Authority. One of the world’s largest cranes, a barge-mounted behemoth originally built for bridge work in San Francisco Bay, arrived Oct. 6 alongside New York’s largest infrastructure project – replacement of the Tappan Zee Bridge. Officially named…

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Register for Oct. 30 Showcase of New Rhode Island Bridge Replacement Using SHRP2

2014-10-15
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| Categories: Bridge Design/Const., Bridge Pres. Apps., New Technology, News

AASHTO Journal, 10 October 2014 Photo courtesy of Rhode Island DOT. Rhode Island’s Department of Transportation will host a showcase Oct. 30 in Providence of its innovative bridge construction, which uses products developed through the second Strategic Highway Research Program, or SHRP2. But you need to register for it. DOT representatives, contractors and other practitioners from the New England…

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Maine, New Hampshire, Contractor Reach Tentative Accord on Bridge Replacement Cost

2014-10-06
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| Categories: Bridge Design/Const., Bridge Pres. Apps., Legislative / Political, New Technology, News

AASHTO Journal, 3 October 2014 Jay Duck via Wikimedia Commons The transportation departments for Maine and New Hampshire have struck a tentative pricing agreement with Cianbro Corp., to replace the Sarah Mildred Long Bridge at a cost of $158.5 million. The project to build a new span between Portsmouth, N.H., and Kittery, Maine, over the Piscataqua River is slated…

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RFP: Acceptance Criteria of Complete Joint Penetration Steel Bridge Welds Evaluated Using Enhanced Ultrasonic Methods

2014-10-02
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| Categories: Bridge Design/Const., Bridge Pres. Apps., New Technology, News, Treatments

TRB’s National Cooperative Highway Research Program (NCHRP) has issued a request for proposals to develop guidelines to evaluate complete joint penetration welds in steel bridges based on updated acceptance criteria. Proposals are due November 18, 2014. Read the RFP

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NYSDOT Uses Magnesium Aluminum Liquid Phosphate (MALP) for Concrete Bridge Deck Patching

2014-09-29
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| Categories: Bridge Design/Const., Bridge Pres. Apps., Journals/Publications, New Technology, News, Treatments

“Constructioneer”, August, 2014 Bridge maintenance and construction materials officials from Region 9 of the New York State Department of Transportation (NYSDOT) are evaluating non-Portland cement based concrete repair technology that was applied in a mid-June demonstration in Maine, New York, a community of 5,400 people in Broome County. Using a repair product based on magnesium aluminum liquid phosphate (MALP)…

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Rally for Bridge Inspectors Held at New Mexico State University

2014-09-29
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| Categories: Bridge Design/Const., Bridge Pres. Apps., New Technology, News

AASHTO Journal, 26 September 2014 A rally was held at New Mexico State University Friday, to honor the students, faculty and researchers in the College of Engineering’s bridge inspection program. The program, which is operated in conjunction with the New Mexico Department of Transportation (NMDOT), provides annual routine inspections and evaluations of 400 highway and railroad bridges across the…

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Review of Axle Spacing Mass Schedules and Future Framework for Assessment of Heavy Vehicle Access Applications

2014-09-17
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, New Technology, News, Studies / Reports

Austroads has released a report that demonstrates the development of an assessment framework to allow fast assessment of simply supported bridges by using a simple line model comparison approach. This report is available for no fee after logging on to the site. Read the Report

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Rhode Island Project Wraps Day Early

2014-09-08
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| Categories: Bridge Design/Const., Bridge Pres. Apps., New Technology, News

AASHTO Journal, 5 September 2014 A section of the Barton Corner Bridge is rolled into place. Rhode Island DOT officials said the bridge replacement was finished in just 10 days. Photo courtesy RIDOT Facebook. The Rhode Island Department of Transportation last week celebrated the early completion of the Barton Corner Bridge replacement south of Warwick a day ahead of…

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SHRP2 Innovative Bridge Technology Aids Replacement of Aging Bridge in Columbia, Missouri

2014-09-08
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| Categories: Bridge Design/Const., Bridge Pres. Apps., New Technology, News

AASHTO Journal, 5 September 2014 MoDOT Bridge Inspector Jamie Johnson (left) discusses bridge completion with Columbia Area Engineer Charles Sullivan. A new innovative bridge technology is being used by the Missouri Department of Transportation to replace a 57-year-old bridge in Columbia. The Route B Bridge over Business Loop Interstate 70 carries up to 22,000 vehicles a day between Columbia’s…

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Structures 2014: Volume 2

2014-09-03
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| Categories: Bridge Design/Const., Bridge Pres. Apps., Journals/Publications, New Technology, News

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2407 consists of 8 papers that examine surface wave measurements to characterize surface-breaking cracks in concrete bridge decks; a portable seismic property analyzer to assess Colorado’s hanging lake tunnel liner; ultrasonic tomography to detect structural impairment in tunnel linings; and field monitoring of rebar debonding in concrete bridge…

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Structures 2014: Volume 1

2014-09-03
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| Categories: Bridge Design/Const., Bridge Pres. Apps., Journals/Publications, New Technology, News

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2406 consists of 10 papers that analyze imposed bridge load stresses for development of a European bridge formula; design of ultrahigh-performance concrete waffle deck for Accelerated Bridge Construction; anchor bolt steel strength in annular stand-off base plate connections; thermal analysis of highway overhead support structures; and signal head…

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OIG Report Targets FHWA’s Implementation of MAP-21 Bridge Provisions

2014-09-02
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, Legislative / Political, New Technology, News, Studies / Reports

AASHTO Journal, 29 August 2014 The Federal Highway Administration has made progress toward fully implementing safety provisions included in the 2012 MAP-21 surface transportation bill but the agency has much more to do, according to a new Office of Inspector General report released this week. According to the report, which was requested by House Transportation and Infrastructure Ranking Member…

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Tools for Determining Yield Stress of In-Service Gusset Plates

2014-08-27
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| Categories: Bridge Design/Const., Bridge Pres. Apps., New Technology, News, Studies / Reports

TRB’s National Cooperative Highway Research Program (NCHRP) Innovations Deserving Exploratory Analysis (IDEA) Final Report for NCHRP-IDEA Project 161:Tools for Determining Yield Stress of In-Service Gusset Plates explores a nondestructive testing device that can estimate the yield stress of bridge steel plates. Project: Project Information Project Number: 20-30/IDEA 161 Read the Report

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U.S. Appeals Court Ruling Keeps Louisville-Southern Indiana Bridge Project Moving

2014-08-18
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, Legislative / Political, New Technology, News

AASHTO Journal, 15 August 2014 Image courtesy The Ohio River Bridges. The $2.3 billion project building a new Ohio River crossing between Louisville, Kentucky and southern Indiana will continue after the 6th U.S. Circuit Court of Appeals last week upheld the dismissal of a lawsuit that sought to halt construction, alleging the project’s state partners – the Kentucky Transportation…

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Innovative Bridge Designs for Rapid Renewal

2014-08-12
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| Categories: Bridge Design/Const., Bridge Pres. Apps., New Technology, News, Studies / Reports

TRB’s second Strategic Highway Research Program (SHRP 2) S2-R04-RR-1: Innovative Bridge Designs for Rapid Renewal documents the development of standardized approaches to designing and constructing complete bridge systems for rapid renewals. The report also describes a demonstration project on US 6 over the Keg Creek near Council Bluffs, Iowa that was completed in 2011 using the accelerated bridge construction…

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NTSB Issues Final Report on Washington State Bridge Collapse

2014-08-11
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| Categories: Bridge Design/Const., Bridge Pres. Apps., General News, News, Studies / Reports

AASHTO Journal, 8 August 2014 The well-publicized collapse of an interstate bridge north of Seattle last year was the result of “a series of deficiencies in a system intended to safeguard the passage of oversized loads over Washington State’s roadways” according to the National Transportation Safety Board, which released its final report on the incident last month. A truck…

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Michigan DOT Showcases Bridge Innovation in New Video

2014-07-25
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| Categories: Bridge Design/Const., Bridge Pres. Apps., New Technology, News

AASHTO Journal, 25 July 2014 The Michigan Department of Transportation this month highlighted a bridge building innovation in a new YouTube video, which also serves to advocate for transportation investment to foster more innovations. In the video, MDOT showcases a bridge replacement over Plum Creek in Wayne County, the first MDOT bridge containing beams with no steel elements. This…

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Virginia DOT Gears Up to Tackle Major Interstate Chokepoint and Cut Congestion with Improvement Project

2014-07-25
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| Categories: Bridge Design/Const., Bridge Pres. Apps., Legislative / Political, New Technology, News, Pavement Design/Const., Pavement Pres. Apps.

AASHTO Journal, 25 July 2014 Virginia Governor Terry McAuliffe joined officials from the Virginia Department of Transportation last week announced plans to tackle a problematic point of congestion on one of Northern Virginia’s busiest interstates. McAuliffe and VDOT Secretary Aubrey Layne unveiled a proposal that would make several improvements to congestion-plagued I-66, including the delivery of three regular lanes…

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Bridge Stormwater Runoff Analysis and Treatment Options

2014-07-22
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| Categories: Bridge Design/Const., Bridge Pres. Apps., Journals/Publications, New Technology, News

TRB’s National Cooperative Highway Research Program (NCHRP) Report 778: Bridge Stormwater Runoff Analysis and Treatment Options presents information and an analysis process for identifying cost-effective, pollution-reducing strategies for management of stormwater runoff from highway bridges. Read NCHRP Report 778

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String of failures led to I-5 bridge strike, collapse in 2013, NTSB says

2014-07-21
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| Categories: Bridge Design/Const., Bridge Pres. Apps., News

Better Roads, 17 July 2014 By James Jaillet, Associate Editor of OverdriveOnline.com The collapsed section of I-5 in Washington over the Skagit River. The bridge has since been repaired. The National Transportation Safety Board blames a “series of deficiencies” on the events that led to a truck with an oversized load striking a sway brace on the bridge last May and…

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