Home › South Dakota › Brookings County › All bridges

Every bridge in Brookings County, South Dakota

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

232 inventoried bridges, busiest first

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

Brookings County, South Dakota, has 232 bridges in the 2025 National Bridge Inventory: 64 rated good, 115 fair, and 53 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
I029 over Ck	1966	12,240	Fair
I029 over Ck	1966	12,240	Fair
I029 over Br Six Mile Ck	1970	9,960	Fair
I029 over Ck	1970	9,960	Fair
I029 over Ck	1970	9,960	Fair
US014 B over Six Mile Ck	1967	9,030	Fair
US014 B over West Br Six Mile Ck	1967	9,030	Fair
US014 B over East Br Six Mile Ck	1968	8,276	Fair
I029 N over Medary Ck	1966	7,985	Fair
I029 S over Medary Ck	1966	7,985	Fair
I029 N over 8TH St S Rc P&e RR	1966	7,645	Fair
I029 S over 8TH St S Rc P&e RR	1966	7,645	Fair
I029 N over Six Mile Ck	1970	6,165	Fair
I029 S over Six Mile Ck	1970	6,165	Fair
I029 N over 197 St	1970	5,135	Fair
I029 N over 201 St	1970	5,135	Fair
I029 N over Br North Deer Ck	1970	5,135	Fair
I029 N over Ck	1970	5,135	Fair
I029 N over North Deer Ck	1970	5,135	Fair
I029 S over 197 St	1970	5,135	Fair
I029 S over 201 St	1970	5,135	Fair
I029 S over Br North Deer Ck	1970	5,135	Fair
I029 S over Ck	1970	5,135	Fair
I029 S over North Deer Ck	1970	5,135	Fair
US014 over Ck	1973	4,861	Fair
US014 over Deer Ck	1973	4,861	Fair
US014 over West Br Deer Ck	1973	4,664	Fair
US014 E over Big Sioux Rv	1978	4,162	Fair
US014 E over Big Sioux Rv Overflow	1978	4,162	Fair
US014 E over Big Sioux Rv Overflow	1978	4,162	Fair
US014 E over Big Sioux Rv Overflow	1978	4,162	Fair
US014 E over North Deer Ck	1978	4,162	Fair
US014 E over North Deer Ck Overflow	1979	4,162	Fair
US014 W over Big Sioux Rv	2001	4,162	Fair
US014 W over Big Sioux Rv Overflow	2001	4,162	Fair
US014 W over Big Sioux Rv Overflow	2001	4,162	Fair
US014 W over Big Sioux Rv Overflow	2001	4,162	Fair
US014 W over North Deer Ck	2001	4,162	Fair
US014 W over North Deer Ck Overflow	2001	4,162	Fair
Medary Avenue over East Br Six Mile Ck	1968	3,213	Fair
Medary Avenue over Six Mile Ck	1987	3,213	Good
US014 over I029	2017	2,600	Good
US014 B over Deer Ck	1967	2,585	Fair
US014 B over I029	1966	2,585	Fair
20TH St S over I029	2022	2,500	Good
US014 over Ck	1996	2,247	Fair
US014 over Ck	1996	2,247	Fair
US014 E over West Br Six Mile Ck	1967	2,225	Fair
US014 W over US014 B	1970	2,225	Fair
US014 W over West Br Six Mile Ck	1970	2,225	Fair
US014 E over Six Mile Ck	1967	2,023	Fair
US014 W over Six Mile Ck	1970	2,023	Fair
SD030 over I029	1970	1,620	Fair
Western Ave. over Six Mile Ck	1988	1,356	Good
SD324 over I029	1966	1,336	Fair
SD324 over Medary Ck	1974	1,336	Fair
SD324 over Medary Ck Overflow	1974	1,336	Fair
470TH Avenue over Big Sioux Rv	1930	1,330	Poor
216TH Street over Ck	2010	1,326	Good
471ST Avenue over Ck	2020	1,305	Good
471ST Avenue over Ck	1925	1,305	Poor
471ST Street over Big Sioux Rv	2020	1,305	Good
SD013 over Medary Ck	1938	1,275	Poor
SD030 over Deer Ck	1959	1,199	Fair
SD030 over Six Mile Ck	1956	1,199	Fair
471ST Avenue over Br North Deer Ck	1925	1,163	Poor
478TH Avenue over Ck	1950	1,159	Poor
SD030 over Br North Deer Ck	1957	872	Fair
204TH Street over Big Sioux Rv	1963	735	Fair
204TH Street over Br North Deer Ck	1962	735	Fair
204TH Street over North Deer Ck	1962	735	Fair
464TH Avenue over Meadow Ck	2021	720	Good
478TH Avenue over Six Mile Ck	1950	714	Fair
478TH Avenue over Ck	2016	712	Good
478TH Avenue over Deer Ck	1950	712	Poor
469TH Avenue over Big Sioux Rv	1968	684	Fair
469TH Avenue over Ck	2023	684	Good
216TH Street over Ck	1935	597	Poor
466TH Avenue over Big Sioux Rv	2021	485	Good
471ST Street over North Deer Ck	1925	462	Poor
216TH Street over Big Sioux Rv	2022	454	Good
216TH Street over Big Sioux Rv Overflow	1955	454	Fair
216TH Street over Ck	1955	447	Fair
204TH Street over Oakwood Lake Overflow	1962	432	Good
469TH Avenue over Trib North Deer Ck	2006	420	Fair
215 St over I029	1966	410	Fair
I029 Nf over Ck	1967	410	Fair
466TH Avenue over Big Sioux Rv	2017	390	Good
466TH Avenue over Ck	2017	390	Good
486TH Avenue over Spring Creek	1950	361	Poor
197TH Street over Ck	1974	345	Poor
465TH Avenue over Big Sioux Rv	1970	340	Fair
201ST Street over North Deer Ck	1970	336	Fair
209 St over I029	1970	325	Fair
476TH Avenue over Medary Ck	2003	257	Good
476TH Avenue over Tributary to Medary Ck	2003	250	Good
464TH Avenue over Ck	1950	241	Poor
482ND Avenue over Deer Creek	2019	228	Good
486TH Avenue over Ck	1961	175	Poor
486TH Avenue over Trib to Medary Ck	2005	175	Good
207 St over I029	1970	146	Fair
485TH Avenue over Ck	1950	139	Poor
482ND Avenue over Ck	1973	137	Poor
462ND Avenue over Trib to Oakwood Lake	2017	130	Good
200TH Street over Sixmile Ck	1966	127	Poor
207TH Street over Six Mile Ck	1974	120	Fair
219TH Street over Ck	1977	108	Poor
209TH Street over Six Mile Ck	1967	99	Poor
210TH Street over North Deer Ck	1995	99	Good
200TH Street over Ck	2024	95	Good
219 St over I029	1966	95	Fair
196TH Street over Br of North Deer Ck	1940	92	Poor
197 St over Six Mile Ck	2006	92	Good
199TH Street over Big Sioux Rv	1970	92	Poor
199TH Street over Six Mile Ck	1989	92	Good
200TH Street over Big Sioux Rv	2010	92	Good
202ND Street over Big Sioux Rv	1970	92	Poor
202ND Street over North Deer Ck	1996	92	Good
203 A Street over Ck	1930	92	Fair
203 A Street over Six Mile Ck	1940	92	Poor
203RD Street over Big Sioux Rv	1994	92	Good
203RD Street over Ck	1930	92	Fair
204TH Street over Ck	1930	92	Fair
205TH Street over Big Sioux Rv	1970	92	Fair
205TH Street over Ck	1977	92	Fair
205TH Street over North Deer Ck	1930	92	Poor
205TH Street over Six Mile Ck	1930	92	Poor
206TH Street over Ck	1999	92	Good
206TH Street over Sixmile Ck	1940	92	Poor
207TH Street over Big Sioux Rv	1955	92	Fair
209TH Street over Ck	1913	92	Poor
209TH Street over North Deer Ck	1970	92	Fair
210TH Street over Big Sioux Rv	1907	92	Poor
210TH Street over Ck	1930	92	Poor
211TH Street over Ck	1940	92	Fair
212TH Street over Big Sioux Rv	1991	92	Good
212TH Street over Ck	1950	92	Fair
212TH Street over Ck	1930	92	Poor
212TH Street over Ck	1982	92	Fair
213TH Street over Big Sioux Rv	1987	92	Fair
213TH Street over Ck	1992	92	Fair
213TH Street over Ck	1980	92	Fair
213TH Street over North Deer Ck	2000	92	Good
215TH Street over Ck	2000	92	Good
215TH Street over Ck	1985	92	Fair
215TH Street over Deer Creek	2008	92	Good
216TH Street over Ck	1983	92	Fair
216TH Street over Deer Creek	1983	92	Fair
217TH Street over Ck	1966	92	Good
219TH Street over Medary Creek	1966	92	Fair
220TH Street over Ck	1941	92	Poor
220TH Street over Medary Ck	1966	92	Fair
467TH Avenue over Ck	2008	92	Good
468TH Avenue over Ck	1930	92	Poor
468TH Avenue over Ck	1978	92	Good
469TH Avenue over Lake Campbell Outlet	1968	92	Fair
469TH Avenue over North Deer Ck	1990	92	Good
469TH Avenue over Six Mile Ck	1930	92	Fair
470TH Avenue over Br North Deer Ck	1979	92	Fair
470TH Avenue over Ck	1930	92	Poor
472ND Avenue over Medary Ck	1910	92	Poor
473RD Avenue over Br North Deer Ck	1930	92	Poor
473RD Avenue over Ck	1977	92	Poor
473RD Avenue over Ck	1975	92	Fair
473RD Avenue over Ck	1975	92	Fair
473RD Avenue over Ck	1976	92	Fair
473RD Avenue over Ck	1976	92	Fair
473RD Avenue over Six Mile Ck	1985	92	Fair
475TH Avenue over Ck	1930	92	Fair
475TH Avenue over Medary Ck	1930	92	Poor
475TH Avenue over Six Mile Ck	2024	92	Good
476TH Avenue over Ck	2001	92	Good
476TH Avenue over Deer Ck	1997	92	Good
476TH Avenue over Six Mile Ck	2007	92	Good
476TH Avenue over Six Mile Ck	1950	92	Poor
477TH Avenue over Ck	2009	92	Fair
477TH Avenue over Deer Ck	1930	92	Poor
477TH Avenue over Medary Ck	1968	92	Poor
477TH Avenue over Six Mile Ck	1999	92	Good
478TH Avenue over Medary Ck	1981	92	Fair
479TH Avenue over Ck	1930	92	Poor
479TH Avenue over Ck	1920	92	Poor
479TH Avenue over Deer Ck	2002	92	Good
479TH Avenue over Medary Ck	1984	92	Fair
480TH Avenue over Ck	1990	92	Good
480TH Avenue over Ck	1930	92	Fair
480TH Avenue over Medary Ck	1989	92	Good
481ST Street over Medary Ck	1999	92	Good
483RD Avenue over Ck	2009	92	Good
484TH Avenue over Ck	1990	92	Good
485TH Avenue over Ck	1930	92	Fair
485TH Avenue over Ck	1990	92	Good
485TH Avenue over Ck	1990	92	Fair
487TH Avenue over Ck	1993	92	Poor
467TH Avenue over Ck	2001	90	Good
482ND Avenue over Ck	1950	89	Poor
211TH Street over Deer Ck	2015	77	Good
207TH Street over Ck	1974	75	Poor
207TH Street over Trib to Big Sioux Rv	2006	67	Good
207TH Street over Ck	1950	65	Poor
207TH Street over Ck	1950	65	Poor
214TH Street over Big Sioux Rv	1962	64	Poor
214TH Street over Ck	1962	64	Poor
214TH Street over Ck	1962	63	Fair
214TH Street over Ck	1970	63	Fair
214TH Street over Ck	1974	63	Poor
215TH Street over Big Sioux Rv	1900	63	Poor
485TH Avenue over East Br Deer Ck	2007	63	Fair
201ST Street over Ck	1930	62	Fair
206TH Street over Ck	1910	62	Fair
476TH Avenue over Tributary to Six Mile Ck	2005	55	Good
212TH Street over Ck	2001	50	Good
213TH Street over Ck	2007	50	Good
213TH Street over Ck	1930	50	Poor
197TH Street over Ck	1974	48	Fair
482ND Avenue over Medary Creek	1975	45	Poor
197TH Street over Ck	1973	43	Fair
201ST Street over Ck	1974	41	Fair
201ST Street over Unnamed Tributary	2017	41	Good
197TH Street over North Deer Ck	1974	40	Fair
470TH Avenue over North Deer Ck	2005	40	Good
209TH Street over Tributary to Big Sioux R	2006	38	Good
197TH Street over North Deer Ck	2003	35	Good
206TH Street over North Deer Ck	1996	35	Good
207TH Street over North Deer Ck	1958	32	Poor
203RD Street over North Deer Ck	2004	30	Good
206TH Street over North Deer Ck	2002	30	Good
207TH Street over North Deer Ck	1977	25	Fair
472ND Avenue over North Deer Ck	2005	25	Good
474TH Avenue over Medary Ck	2003	25	Good
214TH Street over Medary Ck	2001	20	Good
219TH Street over Ck	1930	19	Poor

Source: FHWA National Bridge Inventory, 2025.

Brookings 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.