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Every bridge in Fremont County, Idaho

Name: Every bridge in Fremont County, Idaho
Creator: Bridge Report Card
License: https://creativecommons.org/publicdomain/zero/1.0/

138 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Fremont County, Idaho, has 138 bridges in the 2025 National Bridge Inventory: 45 rated good, 85 fair, and 8 poor (as of August 20, 2026).
This index lists every one of them, busiest first; each links to its own condition record.

Bridge	Built	Vehicles/day	Condition
US 20 Ebl & Wbl over Salem Union Canal	1984	12,500	Fair
US 20 over 2290 E	1984	12,500	Fair
US 20B over Egin Canal	1975	11,500	Good
US 20B over Henrys Fk. Snake River	1965	11,500	Fair
US 20 Wbl & Ebl over S.fk.fall River Canal	1973	10,500	Fair
US 20 Ebl & Wbl over Farmers Friend Canal	1979	9,100	Fair
US 20 Ebl & Wbl over Salem Union Canal	1979	9,100	Fair
US 20 Ebl & Wbl over Twin Groves Canal	1979	9,100	Fair
US 20 Wbl & Ebl over N.br.fall River Canal	1979	9,100	Good
US 20B;BRIDGE St over US 20;ST. Anthony Ic	1984	8,300	Good
US 20 over Fall River	1963	8,000	Fair
US 20 over Buffalo River;ponds Br.	1975	6,500	Fair
US 20 over Henrys Fk. Snake River	1975	6,500	Fair
US 20 over Henrys Lake Outlet	1987	6,500	Fair
US 20 over Henrys Fk. Snake River	2001	6,400	Good
US 20 over Henrys Fk. Snake River	2004	5,300	Good
US 20 Ebl over Fall River Canal	1994	4,900	Fair
US 20 Wbl over Fall River Canal	1973	4,900	Fair
SH 33 over Siddoway Canal	1984	4,600	Fair
SH 33 over Enterprise Canal	1984	3,400	Fair
STC6770;SALEM Rd over Henrys Fork Snake River	2007	2,600	Good
Stc 6770; N 1900 E over Consolidated Farmers Cnl	2010	2,600	Good
SH 87 over Howard Creek	2005	2,400	Fair
SH 87 over Targhee Creek	2006	2,400	Fair
S6805;yale-kilgore over Henrys Fk Snake R;mccrea	1995	2,000	Fair
Stc 6774;N 2400 E over Salem Union Canal	1986	1,900	Fair
Stc 6774;N 2400 E over Twin Groves Canal	1980	1,900	Good
SH 32 over Fall River	1963	1,800	Fair
STC6803;S Ylwstone over Salem Union Canal	2002	1,600	Fair
Stc 6770; Salem Rd over Egin Canal	2011	1,500	Good
Stc 6770;SALEM Rd over Independent Canal	2011	1,500	Good
Stc 6770;SALEM Rd over Union Canal	2011	1,500	Fair
US 20B over Farmers Friend Canal	1993	1,400	Good
US 20B over Henrys Fk Snake River	2014	1,400	Fair
US 20B over Salem Union Canal	1994	1,400	Fair
US 20B over Twin Groves Canal	1992	1,400	Fair
STC6807;BIG Sprgs over Henrys Lake Outlet	1992	1,200	Fair
E 200 N over Farmers Friend Canal	2016	1,100	Fair
N 2600 E over Wilford Canal	1977	1,100	Fair
STC6764;W Main St over Egin Canal	1986	1,100	Fair
Stc 6774;TETON Hwy over N.fk.teton River	1977	1,100	Good
Stc 6774;TETON Hwy over S.fk.teton River	1977	1,100	Poor
E 500 N over St. Anthony Union Canal	1995	780	Good
E Parker Main St over Egin Canal	1960	660	Fair
E 400 N over Twin Groves Canal	2023	630	Good
E 400 N over Independent Canal	1960	580	Fair
E 200 N over Consolidated Farmers Cnl	1971	510	Fair
E 200 N over Salem Union Canal	2023	510	Good
SH 47 over Robison Creek	1984	510	Good
SH 47 over Warm River	1984	510	Fair
E 1300 N over Henrys Fk Snake River	2020	500	Good
E 400 N over Farmers Friend Canal	2009	500	Good
Stc 6760; Red Rd over St Anthony Canal	2020	500	Good
Stc 6760;E 400 N over Egin Canal	1992	500	Good
Stc 6760;EGIN Road over Egin Canal	1957	500	Fair
Ashton-flagg Ranch over Fall River	1969	480	Fair
Ashton-flagg Ranch over Farmers Own Canal	1969	480	Fair
E 400 N over Salem Union Canal	2011	450	Good
Hog Hollow Rd over Farmers Friend Canal	1955	380	Fair
N 2400 E over St. Anthony Canal	2010	360	Good
Sand Creek Rd over St Anthony Canal	1978	340	Fair
N 2750 E over Teton River	1976	300	Good
E 500 N over St. Anthony Canal	2010	280	Good
E 400 N over Crosscut Canal	2013	250	Good
S 2ND West Street over Egin Canal	2020	250	Good
E 600 N over St. Anthony Canal	1963	240	Fair
E 800 N over S. Branch Fall River Cnl	1963	240	Fair
N 1800 E over St. Anthony Canal	1975	240	Good
N 2000 E over Egin Canal	1960	230	Fair
Hog Hollow;e 500 N over Twin Groves Canal	1955	210	Fair
N 2900 E; Ora St over Fall River Canal	2013	210	Fair
N 700 West Street over Egin Canal	1973	210	Fair
STC6807;BIG Sprgs over Big Springs;island Pk.br	1958	210	Fair
E 1300 N over Marysville Canal	2013	200	Good
S 100 East Street over Salem Union Canal	1980	190	Fair
4525 E over Fall River	1983	180	Fair
E 100 N over Teton Canal	1980	180	Fair
N 4525 E over Marysville Canal	1991	180	Fair
Fishermans Dr over Henrys Fk Snake River	2015	175	Good
N 2500 E over Teton Canal	1977	170	Fair
N 2000 E over Independent Canal	1962	160	Fair
N 2100 E over Independent Canal	1976	160	Fair
N 2100 E over Egin Canal	2010	150	Good
N 2100 E over St. Anthony Canal	1961	150	Fair
N 2300 E over S. Branch Wilford Canal	1997	140	Good
N2100E over Consolidated Farmers Cnl	2014	140	Good
High Top Lane over Salem Canal	2017	130	Good
E 500 N over S. Branch Fall River Cnl	1997	120	Good
Hog Hollow; E500N over Crosscut Canal	1937	120	Fair
N 2000 E over Consolidated Farmers Cnl	2018	120	Good
N 2925 E over Fall River	1963	120	Fair
E 1000 N over Conant Creek	1954	100	Fair
E 800 N over Enterprise Canal	1986	100	Fair
N 1700 E over St. Anthony Canal	1996	100	Fair
N 2000 E over St. Anthony Canal	1966	90	Fair
E 100 N over Consolidated Farmers Cnl	1976	80	Fair
E 800 N over Crosscut Canal	1990	80	Good
N 1800 E over Independent Canal	1940	80	Fair
N 2300 E over St. Anthony Canal	1970	80	Fair
N 4000 E over Marysville Canal	2016	80	Good
E 300 N over St. Anthony Canal	1978	70	Fair
E 400 N over St. Anthony Canal	1991	70	Fair
E 500 N over Enterprise Canal	2011	70	Good
E 800 N over Enterprise Canal	1978	70	Fair
N 1500 E over St. Anthony Canal	1960	70	Fair
N 1600 E over St Anthony Canal	1971	70	Poor
N 2700 E over Crosscut Canal	1970	70	Fair
E 300 N over Egin Canal	1985	60	Fair
1300 N over Henrys Fk.snake R;fritz	1967	50	Poor
20082 over Warm River	1984	50	Fair
20097 over Warm River	2015	50	Good
20160 over Warm River	1985	50	Fair
E 800 N over Fall River Canal	1976	50	Fair
N 1600 E over Independent Canal	1973	50	Fair
N 3185 E over Fall River	1977	50	Fair
Road over Big Springs Outlet	1957	50	Fair
Road over Henrys Lake Outlet	1991	50	Fair
Road over Lucky Dog Creek	1978	50	Fair
Road over Rock Creek	1980	50	Good
Road over Warm River	2010	50	Good
Road over Willow Creek	1975	50	Fair
Road over Warm River	1980	36	Good
Cemetary Access Rd over Independent Canal	1980	30	Good
Fun Farm Road over Henrys Fk Snake River	1925	30	Poor
N 1600 E over Egin Canal	1978	30	Fair
N 400 E over S Branch Fall River Cnl	2024	30	Good
Robinson Creek Rd over Robinson Creek	1935	30	Fair
N 3800 E over Fall River	1995	25	Fair
E 600 N over Crosscut Canal	1937	20	Fair
E 600 N over Farmers Friend Canal	2020	20	Good
N 1700 E over Egin Canal	1980	20	Fair
20153 over Warm River	1970	10	Fair
Conant Creek Way over Squirrel Creek	1994	10	Fair
N 2700 E over Crosscut Canal	1937	10	Poor
N 4075 E over Marysville Canal	1976	10	Poor
Road over Wyoming Creek	1975	10	Fair
US 20 Frontage Rd over Fall River Overflow	1932	10	Poor
US 20 Frontage Rd over N. Branch Fall River Cnl	1932	10	Poor

Source: FHWA National Bridge Inventory, 2025.

Fremont County bridge conditions · Idaho bridges by county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.