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Every bridge in Butte County, South Dakota

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

142 inventoried bridges, busiest first

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

Butte County, South Dakota, has 142 bridges in the 2025 National Bridge Inventory: 46 rated good, 76 fair, and 20 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
US085 over Hay Ck	1963	15,432	Fair
US085 over Belle Fourche Rv	1958	10,476	Fair
SD034 over Willow Ck	1939	3,961	Fair
SD034 over False Bottom Ck	1992	3,547	Fair
SD034 over Redwater Canal	1964	3,547	Good
SD034 over Redwater Rv	1992	3,547	Fair
US212 over Belle Fourche Rv	1992	2,874	Fair
US212 over Horse Ck	2005	2,454	Good
SD079 over Cottonwood Ck	1954	1,935	Fair
US212 over Belle Fourche Rv	2002	1,790	Fair
US212 over South Canal	2002	1,790	Good
SD079 over Belle Fourche Rv	1985	1,670	Fair
8TH Avenue over Belle Fourche Rv	1994	1,637	Good
US085 over Ck	1966	1,543	Fair
US085 over Crow Ck	1966	1,543	Fair
US085 over Owl Ck	1966	1,543	Fair
US212 P over Redwater Rv	1995	1,418	Fair
10TH Avenue over Hay Ck	1961	1,335	Fair
US212 over Owl Ck	2020	1,319	Good
US085 over Battle Ck	1965	1,190	Fair
US085 over Four Mile Ck	1965	1,190	Fair
US085 over Moreau Rv	1965	1,190	Fair
SD034 over Hay Ck	1956	1,127	Fair
SD034 over Hay Ck	1956	1,127	Fair
US085 over East Br Antelope Ck	1965	1,037	Fair
US085 over Indian Ck	1965	1,037	Fair
Valley Township Rd over Cottonwood Ck	1978	870	Fair
SD079 over Deadman Ck	1962	692	Fair
SD079 over Dry Ck	1962	692	Fair
SD079 over North Canal	1962	692	Fair
SD079 over South Br Dry Ck	1962	692	Fair
SD079 over South Willow Ck	1962	692	Fair
SD079 over North Fork Willow Ck	1968	581	Fair
SD079 over North Willow Ck	1968	581	Fair
US212 over Ck	1956	501	Fair
US212 over Ck	1956	501	Fair
US212 over Deer Ck	1956	501	Good
US212 over Dry Ck	1956	501	Fair
US212 over Sulphur Ck	1956	501	Fair
US212 over Willow Ck	1956	501	Fair
SD079 over Ck	1983	366	Fair
SD079 over Frog Ck	2021	366	Good
SD079 over South Fork Moreau Rv	1972	366	Fair
Stone Lake Rd over Horse Ck	2002	302	Good
8TH Avenue over Hay Ck	2019	300	Good
Arpan Rd over South Canal	1975	269	Poor
Snoma Rd over Maloney Ck	2022	175	Good
Hansen Road over North Canal	1994	160	Good
Snoma Road over Redwater Canal	1975	150	Fair
Snoma Rd over Stinkingwater Ck	1969	149	Fair
Whitewood Rd over South Canal	1980	143	Fair
Camp Crook Rd over Trib to North Indian Ck	2011	124	Good
National Street over Willow Ck	2008	112	Fair
Snoma Road over Redwater Rv	1987	112	Fair
Camp Crook Rd over North Indian Ck	2012	110	Fair
Old Hwy 212 over Willow Ck	2009	102	Good
Arpan Rd over Indian Ck	1990	100	Fair
Beulah Rd over Trib Redwater Ck	1975	100	Fair
Beet Rd over South Canal	1997	75	Good
Beet Road over Indian Ck Lateral	1962	75	Good
Orman Rd over Indian Ck	2021	72	Good
Orman Road over Ck	2022	72	Good
Riley Rd over Owl Ck	2021	71	Fair
Beet Rd over Indian Ck	2011	66	Fair
Vale Cutoff Rd over South Canal	1995	66	Good
Vale Cutoff Rd over South Canal	1982	66	Fair
Vale Cutoff Rd over Whitewood Ck	1966	65	Fair
Snoma Rd over South Canal	1996	59	Good
Whitewood Valleyrd over Belle Fourche Rv	1980	55	Fair
Mail Rd over Ck	1998	53	Good
Arpan Rd over North Canal	1967	51	Fair
3VVV Rd over Middle Ck	2002	50	Fair
Lewis Road over Dry Ck	1984	49	Fair
Roundup Street over Belle Fourche Rv	1980	49	Fair
Old Hwy 212 over Mud Elm Ck	2023	48	Good
Old Hwy 212 over Station Elm Ck	1945	48	Poor
184TH Street over Dry Ck	1945	47	Fair
Arpan Rd over South Canal	1975	47	Good
Belle Fourche Inle over Inlet Canal	1999	47	Fair
Bismarck Branch Rd over Belle Fourche Rv	2007	47	Good
Brooker Rd over Hilder Brand Ck	1985	47	Poor
Brooker Rd over Indian Ck	1950	47	Poor
Eicher Rd over Horse Ck	1950	47	Poor
Fruitdale Rd over Belle Fourche Rv	1995	47	Good
Gaver Road over Redwater Rv	1920	47	Poor
Harding Cutoff Rd over Alkali Ck	2016	47	Fair
Mail Rd over Owl Ck	1978	47	Fair
Old Hwy 212 over Ck	1950	47	Poor
Old Hwy 212 over Dry Ck	1970	47	Poor
Olson Cutoff Road over Belle Fourche Rv	1995	47	Poor
Rehorst Road over Belle Fourche Rv	2000	47	Good
Riley Rd over Indian Ck	1950	47	Fair
Riley Rd over North Canal	1997	47	Good
Stone Lake Rd over North Canal	1996	47	Good
Stone Lake Road over Owl Ck	1964	47	Fair
Vallery Rd over South Canal	1998	47	Good
Vallery Rd over Stinkingwater Ck	1920	47	Fair
Winkler Rd over Horse Ck	1958	47	Poor
Winkler Rd over North Canal	1997	47	Good
Winkler Road over Horse Ck	2020	47	Good
Youngberg Road over Horse Ck	1978	47	Poor
Yparilla Road over North Canal	1997	47	Good
Ypparilla Rd over Ck	1960	47	Poor
Dillinger Rd over Horse Ck	1937	46	Poor
Camp Crook Rd over Ck	2011	40	Good
Camp Crook Rd over South Indian Ck	1962	40	Fair
Old Hwy 85 over Indian Ck	2024	36	Good
Double R Rd over North Fork Sulphur Ck	2004	35	Good
Youngberg Rd over Dry Ck	1945	32	Poor
Mail Rd over North Canal	1998	31	Good
Taylor Road over North Canal	1998	31	Good
Fairpoint Rd over Ck	2017	30	Good
West Fairpoint Rd over Ck	2017	30	Fair
Double R Rd over North Fork Sulphur Ck	1962	28	Fair
Double R Rd over North Fork Sulphur Ck	1962	28	Fair
Twilight Rd over North Fork Sulphur Ck	1998	28	Fair
Lewis Road over Deer Ck	1996	26	Fair
139TH Ave Wetz Rd over Nine Mile Ck	2001	25	Good
Old Hwy 85 over Battle Ck	1945	25	Poor
Old Hwy 85 over Four Mile Ck	1945	25	Poor
Twilight Rd over North Fork Sulphur Ck	1962	25	Good
Mail Rd over Indian Ck	1940	22	Poor
Mail Rd over Indian Ck Lateral	1997	22	Good
Old Hwy 79 over South Fork Moreau Rv	1930	22	Poor
Old Highway 85 over Hay Ck	1932	21	Fair
Old Hwy 85 over Ck	1932	21	Fair
Old Hwy 85 over Ck	1932	21	Good
Old Hwy 85 over N. Branch Spur Ck	1932	21	Good
Old Hwy 85 over South Fork Moreau Rv	1955	21	Fair
Old Hwy 85 over Spur Ck	1936	21	Fair
Reid Rd over North Canal	1997	21	Good
Bean Road over Inlet Channel	1997	20	Fair
Old Hwy 212 over Sulphur Ck	2023	20	Good
Kling Rd over Hay Ck	1930	12	Poor
Owl Basin Rd over Wolf Creek	1962	10	Good
Vale Cutoff Rd over Belle Fourche Rv	1974	10	Poor
Twilight Rd over South Fork Moreau Rv	1982	8	Fair
Twilight Rd over Trail Creek	2020	8	Fair
Hoover-zeona Rd over Ck	2024	4	Fair
Zeona Road over Spring Creek	2020	4	Fair
Diversion Dam Road over Inlet Canal	1906	1	Good
Inlet Canal Road over Crow Creek Wasteway	1907	1	Fair

Source: FHWA National Bridge Inventory, 2025.

Butte 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.