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Every bridge in Twin Falls County, Idaho

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

126 inventoried bridges, busiest first

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

Twin Falls County, Idaho, has 126 bridges in the 2025 National Bridge Inventory: 14 rated good, 107 fair, and 5 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 93 over Perrine Coulee;bike Path	2006	33,000	Fair
US 93 over Snake River; Perrine Br.	1976	31,500	Fair
SH 74 over Rock Creek	1993	19,000	Good
US 30 over Perrine Coulee Canal	1960	15,500	Fair
US 93 over Rock Creek	2011	15,000	Fair
STC7232;BLUE Lakes over Rock Creek	1959	11,500	Poor
US 30 over S Coulee Canal	1996	11,000	Fair
US 30 over US 30/US 93 Interchange	1997	11,000	Fair
SH 50 over Snake River;hansen Br.	1966	9,200	Fair
US 93 over Low Line Canal	1994	7,300	Fair
STC2714;3700 North over Rock Creek	1973	6,000	Poor
US 30 over Cedar Creek Draw	2002	5,900	Fair
US 93 over High Line Canal	1956	5,800	Fair
US 93; on Ramp over US 93	2011	5,600	Fair
SH 46 over Snake River;ken Curtis	1968	4,700	Fair
US 93 over Lateral No. 1	2006	4,300	Fair
US 30 over Twin Falls Main Canal	2011	3,200	Fair
STC2748;EASTLAND over Rock Creek	1979	3,000	Fair
US 30 over Deep Creek	2001	3,000	Good
US 30 over Salmon Falls Creek	2020	3,000	Good
STC2739;3800 E. Rd over Lateral 10	1920	2,900	Fair
US 30 over Dry Creek	1934	2,900	Poor
US 30 over Main Canal	1956	2,900	Fair
US 30 over Twin Falls Main Canal	2011	2,900	Fair
STC2715;4100 N. Rd over Cedar Draw	1932	2,700	Fair
US 30 over Uprr;bickel Overpass	1936	2,500	Poor
STC2713;3700 N. Rd over Low Line Canal	1953	2,000	Fair
STC2730;3000 E. Rd over High Line Canal	1964	1,400	Fair
STC2730;3000 E. Rd over Low Line Canal	1964	1,400	Fair
3500 East Road over High Line Canal	1968	1,300	Fair
3500 East Road over Low Line Canal	1967	1,300	Fair
STC2713;CROSS Cnty over Deep Creek	1980	1,300	Fair
Clover Road over Cedar Draw	1940	1,200	Fair
SH 74 over Low Line Canal	1956	1,200	Fair
STC2735;2900 East over Low Line Canal	2010	1,200	Good
3200 North Rd over High Line Canal	1971	1,100	Fair
STC2705;1400 E. Rd over Low Line Canal	1984	1,100	Fair
STC2722;4100 N. Rd over Deep Creek	1965	1,100	Fair
STC2739;3800 E. Rd over High Line Canal	1935	1,000	Fair
STC2739;3800 E. Rd over Low Line Canal	1995	1,000	Good
STC2739;3800 E. Rd over Rock Creek	1965	1,000	Fair
Victory RD;6TH Ave over Rock Creek	1991	1,000	Fair
STC2745;3700 North over Twin Falls Main Canal	1971	920	Fair
STC2735;2900 E. Rd over High Line Canal	2006	870	Good
3400 North Road over Rock Creek	1965	770	Good
N. 3300 East Rd. over Perrine Coulee	1979	770	Fair
4300 North Rd over Cedar Draw	1968	690	Fair
N 1800 E Road over Low Line Canal	2011	670	Good
N 2700 E over Main Canal	1965	460	Fair
1700 East Rd over High Line Canal	1981	420	Fair
1700 East Rd over Low Line Canal	2003	420	Good
N 1700 E over Lateral 17A	1969	420	Fair
2000 East Road over High Line Canal	1965	400	Fair
2300 East Rd over Low Line Canal	1963	400	Fair
STC2721;2200 E. Rd over Cedar Draw	1964	400	Fair
STC2721;2200 E. Rd over Low Line Canal	1964	400	Fair
STC2729;3400 N. Rd over High Line Canal	1964	370	Fair
STC2768;5250 E. Rd over Snake River;milner Dam	1986	360	Fair
STC2768;5250 E. Rd over Twin Falls Main Canal	1992	360	Fair
2200 East Rd over High Line Canal	1968	350	Fair
2300 East Rd over High Line Canal	1963	350	Fair
3600 North Rd over Cedar Draw	1963	350	Fair
2000 East Road over Low Line Canal	1965	330	Fair
STC2722;3600 N. Rd over Deep Creek	1952	310	Fair
STC2722;3600 N. Rd over Lateral 5	1988	310	Fair
3950 North Rd over Cedar Draw	1968	300	Fair
STC2744;3700 N. Rd over Snake R.;n.murtaugh Br.	1983	300	Fair
2000 East Road over Cedar Draw Creek	2012	250	Good
River Road over Cedar Draw Creek	1999	250	Fair
1900 East Road over High Line Canal	1964	220	Fair
2600 East Rd over Low Line Canal	1968	220	Fair
2700 East Road over Low Line Canal	1967	190	Fair
3200 East Rd over Low Line Canal	1968	190	Fair
Shoestring Road over Snake River;sw Bliss Br	1977	190	Poor
1900 East Road over Low Line Canal	1953	170	Fair
2100 East Rd over Low Line Canal	1968	150	Fair
2500 East Road over High Line Canal	1964	140	Fair
2500 East Road over Low Line Canal	1930	140	Fair
2800 East Road over Low Line Canal	1980	140	Fair
3100 East Road over Low Line Canal	1965	140	Fair
3200 East Rd over High Line Canal	1969	140	Fair
3300 East Rd over Low Line Canal	1981	140	Fair
3600 East Rd over Low Line Canal	1967	140	Fair
4200 North Road over Deep Creek	2023	132	Good
River Road over Deep Creek	2018	130	Good
STC2704;LILLY Gr. over Salmon Falls Creek	1984	110	Fair
2100 East Rd over High Line Canal	1962	100	Fair
3100 North Road over Cottonwood Creek	1977	100	Fair
3425 North Road over Dry Creek	1965	100	Fair
3800 North Rd over Low Line Canal	1973	100	Fair
3800 North Road over Cedar Draw	1968	100	Fair
4000 North Rd over Low Line Canal	1966	100	Fair
4000 North Road over Deep Creek	1967	100	Fair
N 900 E over Low Line Canal	1990	100	Fair
2300 East Road over Salmon Canal Lateral #2	1971	90	Fair
2800 East Rd over High Line Canal	1972	90	Fair
3400 East Road over Low Line Canal	1982	90	Fair
1500 East Road over Low Line Canal	1936	80	Fair
1600 East Rd over High Line Canal	1968	80	Fair
3600 East Road over High Line Canal	1993	80	Fair
3900 North Rd over Low Line Canal	1965	80	Good
3400 North Road over Low Line Canal	1978	70	Fair
3600 North Rd over Twin Falls Main Canal	1975	70	Fair
3600 North Road over High Line Canal	1936	70	Fair
N 3700 E Road over Low Line Canal	1978	70	Fair
N 3700 E Road over Perrine Coulee Canal	1962	70	Fair
1300 East Rd over Low Line Canal	1986	60	Fair
1600 East Rd over Low Line Canal	1994	60	Fair
2200 North Road over Salmon Main Canal	1971	60	Fair
2500 North Road over Salmon Lateral NO.21	1970	60	Fair
River Road over Mud Creek	1983	60	Fair
1200 East Road over Low Line Canal	1966	50	Fair
3300 North Road over Deep Creek	1965	50	Fair
3500 North Road over Deep Creek	1965	50	Fair
2500 North Road over Salmon Lateral NO.1	1978	40	Fair
3400 North Rd over High Line Canal	1930	40	Fair
1050 East Road over High Line Canal	1930	30	Fair
1900 East Road over Salmon River Canal	1980	30	Fair
4300 East Road over Twin Falls Main Canal	1997	30	Fair
River Road over Salmon Falls Creek	1921	30	Fair
4248: Shoshone Cre over Shoshone Creek	1985	25	Good
1400 East Road over High Line Canal	1915	20	Fair
1500 East Road over High Line Canal	1930	20	Fair
2300 East Road over Salmon Canal Lateral #2	1983	20	Fair
Basin Cutoff Road over Shoshone Creek	1969	20	Fair
Shoestring Road over King Hill Main Canal	1977	10	Fair

Source: FHWA National Bridge Inventory, 2025.

Twin Falls County bridge conditions · Idaho bridges by county.

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