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Every bridge in Fall River County, South Dakota

Name: Every bridge in Fall River County, South Dakota
Creator: Bridge Report Card
License: https://creativecommons.org/publicdomain/zero/1.0/

80 inventoried bridges, busiest first

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

Fall River County, South Dakota, has 80 bridges in the 2025 National Bridge Inventory: 41 rated good, 34 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
US018 over Fall Rv	2010	5,064	Fair
US018 over Fall Rv	2010	5,064	Fair
US018 over Ck	1968	4,913	Fair
US385 over Fall Rv	1998	4,898	Good
US018 over Fall Rv	1968	4,687	Fair
SD079 over Elm Ck	2006	4,214	Fair
US385 over Ck	1982	3,708	Good
US385 over Fall Rv	1982	3,708	Fair
US385 Nf over Fall Rv	1982	2,758	Good
US385 Nf over Garden St	1982	2,758	Fair
US018 over Burlington Nor RR Co Rd	1978	2,568	Fair
US018 over Cheyenne Rv	1979	2,568	Fair
US018 over Draw	1980	2,434	Fair
US018 over Draw	1982	2,434	Fair
US018 over Red Canyon Ck	1980	2,434	Fair
US018 W over Cheyenne Rv	2010	2,020	Fair
US385 over Ck	1976	1,988	Fair
US018 over Angostura Main Canal	1956	1,782	Fair
US018 over Lone Well Ck	1956	1,782	Fair
Old Hwy 18 over Ck	1933	1,120	Fair
US018 E over Cheyenne Rv	1958	1,118	Fair
US018 E over Horsehead Ck	1956	998	Fair
US018 W over Horsehead Ck	2011	998	Good
US385 over Blair Ck	2013	673	Good
US385 over Ck	2013	673	Good
US385 over Horsehead Ck	1963	673	Fair
US385 over Horsehead Ck	2014	673	Good
US018 over Ck	1952	598	Fair
US018 over Horsehead Ck	1953	598	Fair
US018 over South Fork Blacktail Ck	1952	598	Fair
Minnekahta Avenue over Fall Rv	1934	588	Poor
W. Oral Road over Angostura Main Canal	1974	500	Fair
SD071 over Alabaugh Canyon	1998	382	Fair
SD071 over Cascade Ck	1998	382	Good
US018 P over Cheyenne Rv	2016	361	Good
County Rd over Angostura Main Canal	1978	241	Good
SD071 over Cheyenne Rv	1998	239	Good
SD071 over Ck	2000	239	Good
SD071 over Hat Ck	1975	239	Fair
SD071 over Horse Ck	2000	239	Good
SD071 over Plains Ck	1991	239	Fair
SD071 over Ck	2019	208	Good
SD071 over Duck Ck	1992	208	Good
SD071 over Hat Ck	2008	208	Fair
SD471 over Cottonwood Ck	2015	198	Good
Buffalo Gap Road over Cheyenne Rv	1964	128	Fair
Jennings Avenue over Fall Rv	2021	100	Good
Old Highway 79 over Antelope Hollow Ck	1930	100	Fair
County Rd over Lone Well Ck	2000	85	Good
Indian Canyon over Plum Ck	1982	77	Good
County Rd over Lone Well Ck	2002	75	Good
Old Highway 79 over Lone Well Ck	2000	75	Good
Sand Creek Road over Irrigation Ditch	1993	65	Good
SD471 over Ck	1991	62	Good
Old Highway 79 over Horsehead Ck	1992	58	Good
Dewey Rd over Ck	1991	50	Good
Old Highway 18 over Mickelson Trail	2023	50	Good
Old Highway 18 over Red Canyon Ck	2016	50	Good
County Rd 21 over Beaver Ck	2022	41	Good
County Rd over Fall Rv	1932	41	Poor
E. Ardmore Rd over Horsehead Ck	1988	41	Good
E. Ardmore Road over Long Branch Ck	2019	41	Good
Horse Camp Road over Angostura Main Canal	1986	41	Fair
Oral Road over Irrigation Ditch	1987	41	Good
Scenic Road over Cheyenne Rv	1930	41	Poor
Smithwick Road over Sand Ck	1979	41	Good
W. Ardmore Road over Hat Ck	1976	38	Good
Fairview Road over Angostura Main Canal	1981	25	Fair
County Rd (sd 298) over Burlington Northern RR	1945	20	Poor
Edgemont Rd over Indian Ck	2003	20	Good
Igloo Rd over Coal Ck	1940	20	Poor
Shady Road over Irrigation Ditch	1987	20	Fair
Sunny Brook Road over Horsehead Ck	1979	20	Good
Ash Road over Irrigation Ditch	1979	15	Good
E. Oral Rd. over Irrigation Ditch	1950	15	Good
Gravel Road over Irrigation Ditch	1936	15	Good
Highline Road over Irrigation Ditch	1950	15	Good
Knappie Road over Angostura Main Canal	1950	15	Fair
Lennon School Road over Horsehead Ck	1995	15	Good
Pine Hills Road over Cottonwood Ck	1978	10	Good

Source: FHWA National Bridge Inventory, 2025.

Fall River County bridge conditions · South Dakota bridges by county.

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