Cub Brid Lesson02 Activity1 Bridgefailureimages

8/13/2019 Cub Brid Lesson02 Activity1 Bridgefailureimages

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Bridge Failures

What if the bridges you depend upon every day

collapsed because they could no longer withstand

the forces of the load placed on them everyday?


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In addition to causing the failure of a protective town levee and

extensive flooding of most homes and property, flash flooding

caused the destruction of the I-20 bridge over Salt Draw

between Toyah and Pecos, TX.

What if the bridges in your

town collapsed because of

extreme weather, such as

flooding or earthquakes?


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Northern California bridge damage caused by a

6.9 magnitude earthquake in 1989.


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Northern California freeway bridge damage caused by

a 6.9 magnitude earthquake in 1989.

How important is it that engineers testbridge materials and designs to failure?


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Northern California freeway bridge damage caused by

a 6.9 magnitude earthquake in 1989.

Do you trust that the

bridges you use every daywere designed and are

maintained to be safe?


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The I-35 interstate bridge in downtown Minneapolis, MN,

collapsed into the Mississippi River during the rush hour

on August 1, 2007, killing 13 people and injuring 100.

How important is bridge

maintenance to you?


7/10I-35W bridge collapse in Minneapolis, MN

What might be possible causes

for a bridge collapse?
http://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/images/DSC_7428nv_jpg.jpghttp://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/images/DSC_7429nv_jpg.jpg


8/10I-35W bridge collapse in Minneapolis, MN
http://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/images/DSC_7487nv_jpg.jpg


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Image Sources

Federal Highway Administration, US Department of Transportation,

http://www.tfhrc.gov/pubrds/summer95/p95su23.htm

ITL Program, University of Colorado at Boulder

NOAA, National Weather Service Forecast Office, Midland/Odessa, TX,http://www.srh.noaa.gov/maf/HTML/nwaaward.html

US Geological Survey, Earthquake Hazards Program,

http://neic.usgs.gov/neis/eq_depot/usa/1989_10_18_damage/




http://www.tfhrc.gov/pubrds/summer95/p95su23.htmhttp://www.srh.noaa.gov/maf/HTML/nwaaward.htmlhttp://neic.usgs.gov/neis/eq_depot/usa/1989_10_18_damage/http://neic.usgs.gov/neis/eq_depot/usa/1989_10_18_damage/http://neic.usgs.gov/neis/eq_depot/usa/1989_10_18_damage/http://neic.usgs.gov/neis/eq_depot/usa/1989_10_18_damage/http://neic.usgs.gov/neis/eq_depot/usa/1989_10_18_damage/http://neic.usgs.gov/neis/eq_depot/usa/1989_10_18_damage/http://www.srh.noaa.gov/maf/HTML/nwaaward.htmlhttp://www.tfhrc.gov/pubrds/summer95/p95su23.htm


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Image Sources

Minnesota Department of Transportation,

http://www.dot.state.mn.us/i35wbridge/photos/aerial/aug-

3/9_1_1_8.jpg


http://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/pages/DS

C_7429nv_jpg.htm


http://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/pages/DS

C_7428nv_jpg.htm


http://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/

pages/DSC_7487nv_jpg.htm

More photos at: Minnesota Department of Transportation,

http://www.dot.state.mn.us/i35wbridge/photos/
http://www.dot.state.mn.us/i35wbridge/photos/aerial/aug-3/9_1_1_8.jpghttp://www.dot.state.mn.us/i35wbridge/photos/aerial/aug-3/9_1_1_8.jpghttp://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/pages/DSC_7429nv_jpg.htmhttp://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/pages/DSC_7429nv_jpg.htmhttp://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/pages/DSC_7428nv_jpg.htmhttp://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/pages/DSC_7428nv_jpg.htmhttp://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/pages/DSC_7487nv_jpg.htmhttp://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/pages/DSC_7487nv_jpg.htmhttp://www.dot.state.mn.us/i35wbridge/photos/http://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/images/DSC_7487nv_jpg.jpghttp://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/images/DSC_7428nv_jpg.jpghttp://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/images/DSC_7429nv_jpg.jpghttp://www.dot.state.mn.us/i35wbridge/photos/http://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/pages/DSC_7487nv_jpg.htmhttp://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/pages/DSC_7487nv_jpg.htmhttp://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/pages/DSC_7428nv_jpg.htmhttp://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/pages/DSC_7428nv_jpg.htmhttp://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/pages/DSC_7429nv_jpg.htmhttp://www.dot.state.mn.us/i35wbridge/photos/ground/aug2/pages/DSC_7429nv_jpg.htmhttp://www.dot.state.mn.us/i35wbridge/photos/aerial/aug-3/9_1_1_8.jpghttp://www.dot.state.mn.us/i35wbridge/photos/aerial/aug-3/9_1_1_8.jpghttp://www.dot.state.mn.us/i35wbridge/photos/aerial/aug-3/9_1_1_8.jpg

Cub Brid Lesson02 Activity1 Bridgefailureimages

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