Name Image Built Listed Location County Type Status AJX Bridge over South Fork and Powder River 1931, 1932 1985-02-22 Kaycee 43°37′13″N 106°34′35″W / 43.62028°N 106.57639°W / 43.62028; -106.57639 (AJX Bridge over South Fork and Powder River ) Johnson Pratt deck truss Still in use. BMU Bridge over Wind River c. 1935; moved 1953– 1954 1985-02-22 Ethete 43°8′36″N 108°42′29″W / 43.14333°N 108.70806°W / 43.14333; -108.70806 (BMU Bridge over Wind River ) Fremont Parker through truss Removed and replaced Bridge over Snake River-Structure DEY 2022-08-01 Jackson 43°22′18″N 110°44′21″W / 43.371797°N 110.739138°W / 43.371797; -110.739138 Teton County Removed in 2023 [2] CKW Bridge over Powder River 1932, 1933 1985-02-22 Arvada 44°41′51″N 106°5′58″W / 44.69750°N 106.09944°W / 44.69750; -106.09944 (CKW Bridge over Powder River ) Sheridan Pratt deck truss Removed and replaced CQA Four Mile Bridge 1927, 1928 1985-02-22 Thermopolis 43°36′13″N 108°11′48″W / 43.60361°N 108.19667°W / 43.60361; -108.19667 (CQA Four Mile Bridge ) Hot Springs Pennsylvania through truss Removed and replaced DDZ Bridge over New Fork River 1917 1985-02-22 Boulder 42°45′2″N 109°43′33″W / 42.75056°N 109.72583°W / 42.75056; -109.72583 (DDZ Bridge over New Fork River ) Sublette Kingpost pony truss Removed and replaced DFU Elk Mountain Bridge 1923, 1924 1985-02-22 Elk Mountain 41°41′12″N 106°24′34″W / 41.68667°N 106.40944°W / 41.68667; -106.40944 (DFU Elk Mountain Bridge ) Carbon Warren pony truss Removed and replaced DMJ Pick Bridge 1909, 1910, 1934 1985-02-22 Saratoga 41°32′22″N 106°52′51″W / 41.53944°N 106.88083°W / 41.53944; -106.88083 (DMJ Pick Bridge ) Carbon Parker through truss Still in use DML Butler Bridge 1930 1985-02-22 Encampment 41°15′23″N 106°38′22″W / 41.25639°N 106.63944°W / 41.25639; -106.63944 (DML-Butler Bridge ) Carbon Cammelback through truss Still in use DOE Bridge over Laramie River 1926, 1932 1985-02-22 Bosler 41°35′32″N 105°39′23″W / 41.59222°N 105.65639°W / 41.59222; -105.65639 (DOE Bridge over Laramie River ) Albany Pratt Half-hip Removed and replaced DSD Bridge over Cheyenne River c. 1915, 1921, 1922 1985-02-22 Riverview 43°25′16″N 104°7′53″W / 43.42111°N 104.13139°W / 43.42111; -104.13139 (DSD Bridge over Cheyenne River ) Niobrara Pennsylvania through truss Still in use DUX Bessemer Bend Bridge c. 1920 1985-02-22 Bessemer Bend 42°46′18″N 106°31′50″W / 42.77167°N 106.53056°W / 42.77167; -106.53056 (DUX Bessemer Bend Bridge ) Natrona Warren through truss Removed and replaced DXN Bridge over Little Missouri River 1921 1985-02-22 Hulett 44°58′59″N 104°29′39″W / 44.98306°N 104.49417°W / 44.98306; -104.49417 (DXN Bridge over Missouri River ) Crook Pratt pony truss Abandoned EAU Arvada Bridge 1914 1985-02-22 Arvada 44°39′35″N 106°7′48″W / 44.65972°N 106.13000°W / 44.65972; -106.13000 (EAU Arvada Bridge ) Sheridan Parker through truss Removed and replaced EBF Bridge over Powder River 1915 1985-02-22 Leiter 44°52′49″N 106°3′41″W / 44.88028°N 106.06139°W / 44.88028; -106.06139 (EBF Bridge over Powder River ) Sheridan Pratt/Warren through truss Removed and replaced ECR Kooi Bridge 1913 1985-02-22 Monarch 44°54′33″N 107°5′13″W / 44.90917°N 107.08694°W / 44.90917; -107.08694 (ECR Kooi Bridge ) Sheridan Pratt pony truss Removed and replaced [3] ECS Bridge over Big Goose Creek 1914 1985-02-22 Sheridan 44°44′35″N 107°7′45″W / 44.74306°N 107.12917°W / 44.74306; -107.12917 (ECS Bridge over Big Goose Creek ) Sheridan Pratt pony truss Removed and replaced EDL Peloux Bridge 1912, 1913 1985-02-22 Buffalo 44°21′47″N 106°39′14″W / 44.36306°N 106.65389°W / 44.36306; -106.65389 (EDL Peloux Bridge ) Johnson Pratt pony truss Moved to city park. EDZ Irigary Bridge 1913, 1963 1985-02-22 Sussex 43°56′32″N 106°9′22″W / 43.94222°N 106.15611°W / 43.94222; -106.15611 (EDZ Irigary Bridge ) Johnson Pennsylvania through truss Moved to a new location. EFP Bridge over Owl Creek 1919, 1920 1985-02-22 Thermopolis 43°41′28″N 108°23′34″W / 43.69111°N 108.39278°W / 43.69111; -108.39278 (EFP Bridge over Owl Creek ) Hot Springs Camelback through truss Removed and replaced EJE Bridge over Shell Creek 1920 1985-02-22 Shell 44°32′5″N 107°48′6″W / 44.53472°N 107.80167°W / 44.53472; -107.80167 (EJE Bridge over Shell Creek ) Big Horn Warren pony truss Removed and replaced EJP County Line Bridge 1917 1985-02-22 Hyattville 44°9′59″N 107°41′1″W / 44.16639°N 107.68361°W / 44.16639; -107.68361 (EJP County Line Bridge ) Big Horn Camelback pony truss Abandoned EJZ Bridge over Shoshone River 1925, 1926 1985-02-22 Lovell 44°50′18″N 108°26′3″W / 44.83833°N 108.43417°W / 44.83833; -108.43417 (EJZ Bridge over Shoshone River ) Big Horn Warren pony truss Still in use ELS Bridge over Big Wind River c. 1920 1985-02-22 Dubois 43°33′6″N 109°40′45″W / 43.55167°N 109.67917°W / 43.55167; -109.67917 (ELS Bridge over Big Wind River ) Fremont Removed and replaced ELY Wind River Diversion Dam Bridge 1924, 1925 1985-02-22 Morton 43°13′30″N 108°57′16″W / 43.22500°N 108.95444°W / 43.22500; -108.95444 (ELY Wind River Diversion Dam Bridge ) Fremont Warren pony truss Still in use ENP Bridge over Green River c. 1905 1985-02-22 Daniel 42°46′47″N 109°58′7″W / 42.77972°N 109.96861°W / 42.77972; -109.96861 (ENP Bridge over Green River ) Sublette Pratt truss through & pony Abandoned ERT Bridge over Black's Fork c. 1920 1985-02-22 Fort Bridger 41°18′6″N 110°23′29″W / 41.30167°N 110.39139°W / 41.30167; -110.39139 (ERT Bridge over Black's Fork ) Uinta Warren pony truss Still in use ETD Bridge over Green River 1913 1985-02-22 Fontenelle 41°58′49″N 110°2′43″W / 41.98028°N 110.04528°W / 41.98028; -110.04528 (ETD Bridge over Green River ) Sweetwater Pratt through truss Removed and replaced ETR Big Island Bridge 1909, 1910 1985-02-22 Green River 41°45′52″N 109°44′5″W / 41.76444°N 109.73472°W / 41.76444; -109.73472 (ETR Big Island Bridge ) Sweetwater Pratt through truss Abandoned EWZ Bridge over East Channel of Laramie River 1913, 1914 1985-02-22 Wheatland 42°2′41″N 105°8′51″W / 42.04472°N 105.14750°W / 42.04472; -105.14750 (EWZ Bridge over East Channel of Laramie River ) Platte Pratt pony truss Removed and replaced Hayden Arch Bridge 1924, 1925 1985-02-22 Cody 44°30′37″N 109°8′48″W / 44.51028°N 109.14667°W / 44.51028; -109.14667 (Hayden Arch Bridge ) Park Concrete Arch Still in use Rairden Bridge 1916 1985-02-22 Manderson 44°11′40″N 107°54′53″W / 44.19444°N 107.91472°W / 44.19444; -107.91472 (Rairden Bridge ) Big Horn Pennsylvania through truss Abandoned