Home Archive House Removal Bridge Accident Photographs

House Removal Bridge Accident Photographs

by Brett M. Christensen

Photographs show an accident in which a house, along with the large truck carrying it, became stuck across a river after a bridge collapsed, presumably due to the excess weight of the vehicle’s load.


Subject: Engineering QuestionEngineering Questions of the Day

Q.) How much does a house weigh and

How much can a rural two-lane bridge Hold???


Detailed Analysis:
They say that every picture tells a story and these are no exception. The images have been posted to a number of online communities and blogs and also circulate via email. Some commentators have suggested that the images have been digitally altered.

However, the photographs are authentic and depict a mishap that occurred near Calgary, Alberta, Canada in July 2007. An article in the July 17 2007 edition of the Calgary Herald notes:

Call it A Bridge Too Far. A moving company hauling a 2,100-square-foot home took the wrong road and wedged it into a narrow bridge, causing the bridge to collapse and the road to give way.

The collapse was on Township Road 250, which extends from McKnight Boulevard, east of Calgary. The movers from McCann’s Building Movers were westbound around 9:30 a.m., less than five kilometres from their destination, when they could feel something was wrong.

The concrete bridge deck and timber support structure buckled, then collapsed, and wheels from the tractor trailer carrying the house toppled into the canal below.

A detailed report of the incident that includes a number of photographs is also available in an article in the December 2007 edition of “Structural Mover”, a magazine published by the International Association of Structural Movers. According to the article, the accident was a result of a communication breakdown between government permitting agencies and the moving company.

Although owner of the moving company Pat McCann admitted to being “a little embarrassed” about the incident, he was thankful that no one was injured. The entire bridge was destroyed in the accident.

Last updated: 12th November 2008
First published: 12th November 2008
By Brett M. Christensen
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