1groc1

 Bridges

Boulder Bridge b 1902, Rock Creek Washington DC c 1919 by shorpy

'The Walking Bridge' b 1920, Kiskiminetas River, Hyde Park-Leech

Tennesse River, Market St Bridge, Chattanooga TN c 2005 by thecu

Tennesse River, Hudson Memorial Bridge, Decatur AL c 2006 by Ala

Mississippi River & I40 DeSoto Bridge, Arkansas-Tennessee c 2000

Fraser River & Bridge, Burns Bog British Columbia c 2011 by ashr

Fraser Bridge, Delta-New Westminster British Columbia c 200

Bulls Bridge over Housatonic River, Kent CT c 2016 by MikeCline

Gholson Bridge b 1884, Meherrin River, Lawrenceville VA c 1

Tanana River & Trans-Alaska pipeline near Delta Junction AK c 20

Bridge over Tanana RIver near Nenana AK c 2017 by DiegoDelso

Forth RR Bridge, near Dalmeny Station Scotland c 2012 by Kim Tra

Edinburgh-Forth RR Bridge b 1888, Firth of Forth Scotland c 2016

Firth of Forth, Forth Rail Bridge b 1888, Scotland c 2007 by Jvo

Emerts Cove Bridge b 1990s, Little Pigeon River TN c 2007 by Br

McCloud RR Trestle, Lake Britton, CA c 2012 by kennejima

Columbia River, Astoria OR-Megler WA Bridge, Astoria OR c 2009 b

Taylor St Bridge, Chicago River, Chicago IL c 1919 by HCLeighton

Link Bridge-Lake Shore Dr, Chicago River, Chicago IL c 2006 b

State St Bridge, Chicago River, Chicago IL c 2006 by JeremyA