I am looking for photographs of bridges around the world for use in
materials for an educational institution. They must be copyright free
public domain images. I will need high resolution images for printing.

Hi kmu,

Thank you for a very interesting question.  I've provided you with
links to many pages of photos.  Enjoy!


On bottom left side of pages, click on the green arrows for many more
photos of bridges:
http://images.google.com/imgres?imgurl=http://www.rbruhn.com/rbruhn/Photographs/Bridges/Bridges%2520around%2520world/Mormon%2520Bridge.jpg&imgrefurl=http://www.rbruhn.com/rbruhn/Photographs/Bridges/Bridges%2520around%2520world/p.%252006%2520mormon.htm&h=341&w=648&sz=76&tbnid=ldJ6XjSuRl8J:&tbnh=71&tbnw=134&start=2&prev=/images%3Fq%3DBridges%2Bphotos%2Bworld%26hl%3Den%26lr%3D%26ie%3DUTF-8%26safe%3Do
ff%26output%3Dsearch

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PHOTO GALLERY - BRIDGES
http://www.odd-stuff.info/gallery/bridges/menubridges.htm

Click on the thumbnails below for a larger view.

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Brooklyn Bridge
http://www.nycroads.com/crossings/brooklyn/

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Brooklyn and Manhattan bridges from World Trade Center NY 
http://community.webshots.com/s/image3/1/80/28/17318028YCvkhWUZcV_fs.jpg

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Chesapeake Bay Bridge - Tunnel
http://www.cbbt.com/

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Downtown Bridges and World Trade Center
http://www.fromtheair.com/images/Scenics/Bridges.jpg

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Near Surprise, Arizona
http://azfoo.net/places/az/topoftheworld/04_TopOfTheWorld/01_00Zoomed.jpg

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World War II European Bridges
http://thor.prohosting.com/~andy51/europe/bridges/bridge2.jpg

http://thor.prohosting.com/~andy51/europe/bridges/bridge3.jpg

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Covered Bridge - USA
http://www.daveotte.com/images/collage/bridges.jpg

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Vertical Lift Bridges
http://img.groundspeak.com/cache/47359_500.JPG

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Tamar Bridge 
http://www.tamarbridge.org.uk/main%20start%20frame%20page.htm

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Bridges (2 pages)  When you click on the image you'll see text that
describes where the bridge is located in the world.

http://www.webshots.com/g/32/579-sh.html

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Bridges, Dams, & Other Structures Gallery One and Two
(click on any image to enlarge) 
http://architecture.about.com/gi/dynamic/offsite.htm?site=http%3A%2F%2Fwww.cupola.com%2Fhtml%2Fbldgstru%2Fbridges%2Fbridge01.htm

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Pittsburgh - A City of Bridges  (Many photos - some of the photos you
can click to enlarge.  Click on forward arrow to go to next page.)
http://pittsburgh.about.com/cs/pictures/l/bl_bridge_1.htm

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Capilano Suspension Bridge 
http://www.trailcanada.com/photos/photos-bc-06-03.asp

http://www.trailcanada.com/photos/photos-bc-06-04.asp

http://www.trailcanada.com/photos/photos-bc-06-05.asp

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Niagra Falls Bridge
http://www.inventionfactory.com/history/RHAbridg/nfb.html

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Golden Gate Bridge
http://www.mutable.co.uk/pictures_2002/250302_ca/san_francisco/golden_gate_bridge.html

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San Francisco-Oakland Bay Bridge - (click images to view enlargement)
http://www.mtc.dst.ca.us/projects/bay_bridge/bbmain.htm

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London's Bridges (Click on photo to enlarge)
http://www.freefoto.com/browse.jsp?id=31-01-0

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Humber Bridge (Click on photos to enlarge)
http://www.yorkshire-tour.co.uk/yt/humberbridge.htm

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http://www.greatbuildings.com/cgi-bin/gbi.cgi/Ponte_Vecchio.html/PCD.8203.3241.1522.27.gbi

http://www.greatbuildings.com/cgi-bin/gbi.cgi/Ponte_Vecchio.html/6a22955-Ponte_Vecchio-s.gbi

http://www.hsba.go.jp/bridge/e-akasi.htm

http://www.lib.washington.edu/specialcoll/tnb/


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Best regards,
tlspiegel

According to the 'fair use' section of copyright law (title 17,
chapter 1, section 107 of the USC),

"the fair use of a copyrighted work, including such use by
reproduction in copies ... for purposes such as ... teaching
(including multiple copies for classroom use) ... is not an
infringement of copyright."

So, copyrighted bridge pictures might be okay for you to use in the classroom.

http://www4.law.cornell.edu/uscode/17/107.html

Just wanted to mention that many of the links given do NOT point to
public domain images. For example, the photos at:

Pittsburgh - A City of Bridges  (Many photos - some of the photos you
can click to enlarge.  Click on forward arrow to go to next page.)
http://pittsburgh.about.com/cs/pictures/l/bl_bridge_1.htm

specifically say they are protected by copyright.