Engineering Ethics: The Minnesota I-35W Bridge Collapse (WEBINAR)

Course Number: ET-2015W
Credit: 2 PDH
Subject Matter Expert: Mary McElroy, P.E.
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Overview

In Engineering Ethics: The Minnesota I-35W Bridge Collapse , you'll learn ...

  • The original bridge design and design errors that led to the disaster
  • The important role of quality control procedures for designing, reviewing, and approving bridge design plans and calculations
  • The responsibilities of engineers as they relate to public safety, regulatory authorities, and liability issues Overview

Overview

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On August 1, 2007, the I-35W Bridge over the Mississippi River in Minneapolis, Minnesota collapsed during evening rush hour, plummeting into the river and onto the concrete embankment below. At the time of the collapse, traffic was congested from normal rush hour traffic and fans headed to the Twins game. In some places the cars were bumper to bumper, their progress constrained by two lanes closed for construction. In all, 111 vehicles were on the collapsed part of the bridge, along with members of the construction crew working on the bridge, their equipment, and supplies. The disaster killed 13 people and injured 145 more, and the loss of an important interstate bridge had a major impact on the Minneapolis economy.

Perhaps one of the most striking things about the Minneapolis I-35W bridge collapse is that an engineer made a critical error in the design of a steel truss bridge more than 40 years before the disaster and for more than 40 years the error and the symptoms of the impending failure of the bridge component were never properly identified or addressed. Not one member of a quality control team or any safety system in place at the time addressed the source of the error or heeded the warning signs of the impending disaster. Despite state and federal guidelines and regulations, the Minnesota Department of Transportation (Mn/DOT); Mn/DOT inspectors; and engineering groups hired to inspect the bridge all failed to act. As a result, the engineering design and inspection firms, the construction company working on the bridge at the time of collapse, and the State on Minnesota all faced enormous liability issues.

This webinar reviews the analyses made by the National Transportation and Safety Board (NTSB) and other sources in order to familiarize the reader with the design errors that led to the disaster. It also examines the failures of the quality control process; insufficient bridge inspections; and deficiencies within the state and federal specifications and guidelines that caused the impending failure of the bridge connectors to be overlooked for more than 40 years after the initial design. The webinar will also discuss the responsibilities of engineers as they relate to public safety, regulatory authorities, and liability issues.

Special Note: Course ET-2011 and course ET-2015W are alternate presentations of the same course material. Therefore, only one version, either the course or webinar, can be taken during a renewal cycle. If you have any questions regarding course eligibility, please contact our Customer Service Team.

 

Specific Knowledge or Skill Obtained

This course teaches the following specific knowledge and skills:

  • A synoptic history of the bridge collapse
  • The original bridge design and load ratings
  • Modifications and renovations made to the I-35W Bridge
  • Roles and responsibilities of engineers and regulators in construction staging
  • Roles and responsibilities of engineers and regulators in the design of the I-35W Bridge
  • Roles and responsibilities of engineers and regulators in bridge load ratings
  • Roles and responsibilities of engineers and regulators in the inspections of the I-35W Bridge

PDH Credits

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ATTENTION NEW YORK, WISCONSIN AND IOWA ENGINEERS: Your states specifically require a certain number of "live" credit hours as a part of your PDH requirement. Webinars from PDHengineer.com have been accepted by the New York State Board to fulfill this requirement. PDHengineer’s webinars also meet all requirements of the Wisconsin and Iowa Boards. This webinar is guaranteed to be accepted by your state board as live engineering PDH.

ATTENTION OHIO ENGINEERS: PDHengineer's webinars are "Timed and Monitored" to meet your state requirements. This means that you can use our webinars to fulfill your entire PDH requirement for Ohio. This webinar is guaranteed to be accepted by your state board as "timed and monitored" CPD credit.

In fact, all of our webinars are designed to be accepted in New York, Wisconsin, Ohio, Iowa, and all other states. The PDHengineer Triple Guarantee is your assurance of state board acceptance.

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Board Acceptance
This course is applicable to professional engineers in:
Alabama (P.E.) Alaska (P.E.) Arkansas (P.E.)
Delaware (P.E.) Florida (P.E. Area of Practice) Georgia (P.E.)
Idaho (P.E.) Illinois (P.E.) Indiana (P.E.)
Iowa (P.E. - Live Course) Kansas (P.E.) Kentucky (P.E.)
Louisiana (P.E.) Maine (P.E.) Maryland (P.E. Category A)
Michigan (P.E.) Minnesota (P.E.) Mississippi (P.E.)
Missouri (P.E.) Montana (P.E.) Nebraska (P.E.)
Nevada (P.E.) New Hampshire (P.E.) New Jersey (P.E.)
New Mexico (P.E.) New York (P.E. Live Course) North Carolina (P.E.)
North Dakota (P.E.) Ohio (P.E. Self-Paced) Oklahoma (P.E.)
Oregon (P.E.) Pennsylvania (P.E.) South Carolina (P.E.)
South Dakota (P.E.) Tennessee (P.E.) Texas (P.E.)
Utah (P.E.) Virginia (P.E.) West Virginia (P.E.)
Wisconsin (P.E. Live Course) Wyoming (P.E.)
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PDH Credits

Webinars earn PDH credits for engineers in all states, unless otherwise stated in the literature for a specific webinar. PDHengineer.com, a service mark of Decatur Professional Development, LLC, is an approved provider of continuing education for engineers. For more details, check your state requirements.

ATTENTION NEW YORK, WISCONSIN AND IOWA ENGINEERS: Your states specifically require a certain number of "live" credit hours as a part of your PDH requirement. Webinars from PDHengineer.com have been accepted by the New York State Board to fulfill this requirement. PDHengineer’s webinars also meet all requirements of the Wisconsin and Iowa Boards. This webinar is guaranteed to be accepted by your state board as live engineering PDH.

ATTENTION OHIO ENGINEERS: PDHengineer's webinars are "Timed and Monitored" to meet your state requirements. This means that you can use our webinars to fulfill your entire PDH requirement for Ohio. This webinar is guaranteed to be accepted by your state board as "timed and monitored" CPD credit.

In fact, all of our webinars are designed to be accepted in New York, Wisconsin, Ohio, Iowa, and all other states. The PDHengineer Triple Guarantee is your assurance of state board acceptance.

More Info...

For more webinar information, click the following topics.

How Webinars Work      Site Licenses for Groups

Risk-Free Registration   Certificate of Completion

Try It Before You Buy It

A PDHengineer webinar is just like being there.

4 Easy Steps to Complete a PDHengineer webinar

 

Notify me the next time this webinar is scheduled
Site License for groups of up to 15 people