NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM Chapter 1: Background Optimal performance of a bridge under normal service loads is essential for full and effective use by the motoring public. Problems that occur as a result of excessive deflections, deteriorating deck conditions, or fatigue cracking of steel girders or beams under normal operating service loads can cause […]
View this complete post...Archive for the ‘Aging Infrastructure’ Category
Fatigue Evaluation of Steel Bridges
Monday, August 20th, 2012North American Port Analysis: Preparing for the First Post-Panamax Decade
Thursday, August 16th, 2012COLLIERS INTERNATIONAL
The expansion of the Panama Canal to accommodate vessels capable of carrying up to 12,500 containers will alter global trade routes, and is already promoting the advancement of the science of logistics.
Guthrie, OK: SH-33 Concrete Repair
Friday, August 10th, 2012Both directions of SH-33 in Guthrie were temporarily closed at the Cottonwood bridge just west of US-77 due to a pop-up – or heat-related buckle on Thursday, August 2nd. ODOT inspectors and crews took immediate action and the bridge was repaired and reopened on August 3rd at 4 p.m. – OklaDOT on YouTube
View this complete post...State of New York City Subways: Report Card 2012
Friday, August 3rd, 2012NYPIRG STRAPHANGERS CAMPAIGN
What do subway riders want?
They want short waits, trains that arrive regularly, a chance for a seat, a clean car and understandable announcements that tell them what they need to know. That’s what MTA New York City Transit’s own polling of rider satisfaction measures.
View this complete post...Preparing For 21st Century Risks: Revitalizing American Manufacturing to Protect, Respond and Recover
Thursday, August 2nd, 2012ALLIANCE FOR AMERICAN MANUFACTURING
The 21st century risk environment is creating an alarming trend in which the hyper-consequential, “500-year” event is occurring with greater frequency. Hurricanes, tornadoes, flooding, wildfires, earthquakes and tsunamis, as well as acts of terrorism and other man-made disasters, stand as constant reminders of the potential for significant and prolonged disruptions in our daily lives.
Guest on The Infra Blog: Geoffrey Anderson, President & CEO, Smart Growth America
Monday, July 30th, 2012Geoffrey Anderson is the President and CEO of Smart Growth America. Recently named by Partnership for Sustainable Communities as “One of the 100 Most Influential Leaders in Sustainable Community Planning and Development,” Geoffrey came to his current position after eight years heading the Smart Growth Program at the U.S. Environmental Protection Agency. Geoffrey is a […]
View this complete post...Infrastructure Bank: Tricky, But Just Do It
Friday, July 27th, 2012Transportation Issues Daily Can’t we stop wringing our hands about the concerns of establishing a National Infrastructure Bank and just do it? For years a National Infrastructure Bank has been touted as the “next greatest idea” for financing our most pressing infrastructure needs. But we don’t seem to get to the next step. I’ve been […]
View this complete post...Bellevue, WA: SR 520 Bridge Work
Friday, July 20th, 2012WSDOT and contractor crews closed the SR 520 floating bridge and highway July 13–16, 2012, to tackle an array of jobs, including demolition of the old 84th Avenue Northeast overpass and the last remaining piece of the old 92nd Avenue Northeast overpass, both seen in this video segment. Overpass demolition made way for new lidded […]
View this complete post...Opportunity Cost of Inaction: High-Speed Rail and High Performance Passenger Rail in the United States
Thursday, July 12th, 2012AMERICAN PUBLIC TRANSPORTATION ASSOCIATION
This paper addresses the initial investment and on-going cost of operation and maintenance of high- performance passenger rail (HPPR) in four of the Federal Railroad Administration (FRA) sanctioned HPPR regional networks – Northeast, Chicago Hub, California, and Northwest – over a 40 year period. The system can generate a net benefit of at least $660 million annually. If the nation should forgo this opportunity, it stands to sustain a cost of at least $26.4 billion in foregone economic benefits over the next four decades.
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