# 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.

## Bridges

| Survey No. | Name (as assigned by HAER) | Status | Type | 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″N 114°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″N 114°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″N 111°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″N 116°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″N 111°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″N 117°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″N 116°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″N 115°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″N 111°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″N 116°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″N 112°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″N 114°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″N 115°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″N 116°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″N 116°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″N 115°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″N 111°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″N 116°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″N 116°10′23″W﻿ / ﻿48.13611°N 116.17306°W﻿ / 48.13611; -116.17306﻿ (Clark Fork Vehicle Bridge) |