These were originally posted as part of a Photo Challenge and one member suggested they would make a good stand-alone Topic. So here it is.
Wilson River Bridge, Tillamook, Oregon
DSC_4726.jpg by
David Casteel, on Flickr
Bridge over the Fraser River near the Siska Flat Indian Reserve in British Columbia, Canada
DSC_2348.jpg by
David Casteel, on Flickr
Stone bridge by the Mill in Hobbiton, North Island, New Zealand
DSC_2881.jpg by
David Casteel, on Flickr
Opera House and Harbour Bridge in Sydney, Australia
DSC_1880.jpg by
David Casteel, on Flickr
Pont Neuf over the Seine River in Paris, France
DSC_0923-2.jpg by
David Casteel, on Flickr
Old steel railroad swing bridge across Natasaheen River in Carcross, Yukon Territory, Canada
DSC_8355.jpg by
David Casteel, on Flickr
Vicksburg Bridge over the Mississippi River at Vicksburg, Mississippi
DSC_7133.jpg by
David Casteel, on Flickr
The Brooklyn Bridge over the Hudson River, New York City
NYC2005_0047.jpg by
David Casteel, on Flickr
The Manhattan Bridge, New York City
NYC2005_0032.jpg by
David Casteel, on Flickr
Ponte Vecchio in Florence, Italy
DSC_0301.jpg by
David Casteel, on Flickr
Swift River covered bridge in North Conway, New Hampshire
Trip2005F 241.jpg by
David Casteel, on Flickr
Quechee Gorge Bridge in Vermont
Trip2005F 233.jpg by
David Casteel, on Flickr
I think that's enough for now. All my bridge photos (some not very spectacular) are at
https://www.flickr.com/photos/8712554@N02/sets/72157707838141014.