List of bridges documented by the Historic American Engineering Record in Idaho

This is a list of bridges documented by the Historic American Engineering Record in the U.S. state of Idaho. ^[1]

Bridges

Survey No.	Name (as assigned by HAER)	Status	Type [2]	Built	Documented	Carries	Crosses	Location	County	Coordinates
ID-1	Murtaugh Bridge	Replaced	Pratt truss	1916	1980	Murtaugh Road	Snake River	Murtaugh and Hazelton	Twin Falls and Jerome	42°29′58″N114°09′13″W / 42.49944°N 114.15361°W / 42.49944; -114.15361 (Murtaugh Bridge)
ID-3	Twin Falls–Jerome Bridge	Replaced	Cantilever	1927	1977	US 93	Snake River	Twin Falls and Jerome	Twin Falls and Jerome	42°36′00″N114°27′13″W / 42.60000°N 114.45361°W / 42.60000; -114.45361 (Twin Falls–Jerome Bridge)
ID-4	Thatcher Bridge	Replaced	Warren truss	1910	1982	Thatcher Road	Bear River	Thatcher	Franklin	42°24′30″N111°44′01″W / 42.40833°N 111.73361°W / 42.40833; -111.73361 (Thatcher Bridge)
ID-5	Bonner's Ferry Bridge	Replaced	Pratt truss	1933	1980	US 2  / US 95	Kootenay River	Bonners Ferry	Boundary	48°41′59″N116°18′48″W / 48.69972°N 116.31333°W / 48.69972; -116.31333 (Bonner's Ferry Bridge)
ID-6	Fall River Bridge	Replaced	Howe truss	1930	1983	CCC Camp Road	Fall River	Ashton	Fremont	44°04′06″N111°14′45″W / 44.06833°N 111.24583°W / 44.06833; -111.24583 (Fall River Bridge)
ID-7	Oldtown Bridge	Replaced	Parker truss	1927	1984	US 2	Pend Oreille River	Oldtown	Bonner	48°11′06″N117°02′04″W / 48.18500°N 117.03444°W / 48.18500; -117.03444 (Oldtown Bridge)
ID-8	Burton Road Bridge	Replaced	Pratt truss	1910	1985	SR 93879A (Burton Road)	Weiser River	Cambridge	Washington	44°32′44″N116°39′20″W / 44.54556°N 116.65556°W / 44.54556; -116.65556 (Burton Road Bridge)
ID-12	Hot Springs Bridge	Replaced	Pratt truss	1910	1987	Blackstone–Grasmere Road	Bruneau River	Bruneau	Owyhee	42°47′30″N115°43′07″W / 42.79167°N 115.71861°W / 42.79167; -115.71861 (Hot Springs Bridge)
ID-13	East Dingle Bridge	Replaced	Pratt truss	1910	1987	Hunter Hill Road	Bear River	Montpelier	Bear Lake	42°13′45″N111°14′47″W / 42.22917°N 111.24639°W / 42.22917; -111.24639 (East Dingle Bridge)
ID-14	Midvale Bridge	Replaced	Pratt truss	1911	1986	Bridge Street	Weiser River	Midvale	Washington	44°28′14″N116°43′56″W / 44.47056°N 116.73222°W / 44.47056; -116.73222 (Midvale Bridge)
ID-19	McCammon Overhead and River Crossing Bridge	Demolished	Reinforced concrete T-beam	1936	1990	I-15 BL	Portneuf River and Union Pacific Railroad	McCammon	Bannock	42°39′35″N112°11′40″W / 42.65972°N 112.19444°W / 42.65972; -112.19444 (McCammon Overhead & River Crossing Bridge)
ID-21	Rock Creek Bridge	Replaced	Viaduct	1920	1992	SH-74 (Shoshone Street)	Rock Creek	Twin Falls	Twin Falls	42°33′02″N114°28′37″W / 42.55056°N 114.47694°W / 42.55056; -114.47694 (Rock Creek Bridge)
ID-27-F	Arrowrock Dam, Spillway Bridge	Bypassed	Pratt truss	1915	1999	Arrowrock Dam access road	Boise River	Twin Springs	Boise	43°35′51″N115°55′29″W / 43.59750°N 115.92472°W / 43.59750; -115.92472 (Arrowrock Dam, Spillway Bridge)
ID-32-D	Washington Water Power Company Post Falls Power Plant, Concrete Arch Bridge	Extant	Reinforced concrete open-spandrel arch	1929	1996	West 4th Avenue	Spokane River	Post Falls	Kootenai	47°42′41″N116°57′22″W / 47.71139°N 116.95611°W / 47.71139; -116.95611 (Washington Water Power Company Post Falls Power Plant, Concrete Arch Bridge)
ID-32-E	Washington Water Power Company Post Falls Power Plant, Irrigation Canal Bridge	Extant	Reinforced concrete cast-in-place slab	1930	1996	West 4th Avenue	Irrigation canal	Post Falls	Kootenai	47°42′40″N116°57′12″W / 47.71111°N 116.95333°W / 47.71111; -116.95333 (Washington Water Power Company Post Falls Power Plant, Irrigation Canal Bridge)
ID-35	King Hill Bridge	Replaced	Pratt truss	1910	1998	SR 93808A (Pitchfork Road)	Snake River	King Hill	Elmore	43°00′06″N115°12′32″W / 43.00167°N 115.20889°W / 43.00167; -115.20889 (King Hill Bridge)
ID-38	Blackfoot River Crossing Bridge	Replaced	Warren truss	1900	1999	North Trail Creek Road	Blackfoot River	Soda Springs	Caribou	42°46′03″N111°26′49″W / 42.76750°N 111.44694°W / 42.76750; -111.44694 (Blackfoot River Crossing Bridge)
ID-41	Camas Prairie Railroad, Second Subdivision	Extant	Trestle	1908	2002	Camas Prairie Railroad	Lawyer Creek et al.	Spalding	Nez Perce	46°12′06″N116°25′16″W / 46.20167°N 116.42111°W / 46.20167; -116.42111 (Camas Prairie Railroad, Second Subdivision)
ID-42	Clark Fork Vehicle Bridge	Bypassed	Parker truss	1919	2002	South River Road	Clark Fork River	Clark Fork	Bonner	48°08′10″N116°10′23″W / 48.13611°N 116.17306°W / 48.13611; -116.17306 (Clark Fork Vehicle Bridge)

References

1. Library of Congress. "Prints and Photographs Online Catalog: Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey" . Retrieved May 8, 2022.
2. Parsons Brinckerhoff; Engineering and Industrial Heritage (October 2005). "NCHRP Project 25-25, Task 15: A Context For Common Historic Bridge Types" (PDF). National Cooperative Highway Research Program, Transportation Research Council, National Research Council. Retrieved May 8, 2022.