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Every bridge in Roberts County, South Dakota

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

158 inventoried bridges, busiest first

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

Roberts County, South Dakota, has 158 bridges in the 2025 National Bridge Inventory: 41 rated good, 77 fair, and 40 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
Irr SD010 over Ck	2019	7,072	Good
Irr SD010 over Ck	1979	6,275	Fair
458TH Avenue over Creek	1941	5,850	Fair
458TH Avenue over Creek	1941	5,850	Fair
459TH Avenue over Creek	1941	5,850	Good
Irr I029 over Big Spring Ck	1978	5,340	Fair
Irr I029 over Ck	1978	5,340	Fair
Irr I029 over Hines Ck	1978	4,890	Fair
Irr I029 over Twin City RR	1982	4,890	Fair
Irr I029 N over Burlington Northern RR	1979	3,650	Fair
Irr I029 S over Burlington Northern RR	1979	3,650	Fair
Irr I029 N over 458 Ave (fas)	1977	2,785	Fair
Irr I029 S over 458 Ave (fas)	1977	2,785	Fair
Irr I029 N over 110 St (fas)	1980	2,780	Fair
Irr I029 S over 110 St (fas)	1980	2,780	Fair
Irr I029 N over 101 St (fas)	1976	2,705	Fair
Irr I029 N over SD127	1976	2,705	Fair
Irr I029 N over Soo Line RR	1976	2,705	Fair
Irr I029 S over 101 St (fas)	1976	2,705	Fair
Irr I029 S over SD127	1976	2,705	Fair
Irr I029 S over Soo Line RR	1976	2,705	Fair
Irr I029 N over 460 Ave	1977	2,675	Good
Irr I029 S over 460 Ave	1977	2,675	Good
Irr I029 N over Drainage Ditch	1980	2,570	Fair
Irr I029 N over Little Minnesota Rv	1982	2,570	Fair
Irr I029 S over Drainage Ditch	1980	2,570	Fair
Irr I029 S over Little Minnesota Rv	1982	2,570	Fair
Irr I029 N over 124 St Goodwill Ck	1982	2,510	Fair
Irr I029 N over 127 St (fas)	1978	2,510	Fair
Irr I029 N over Agency Ck	1981	2,510	Fair
Irr I029 N over Br Hines Ck	1981	2,510	Fair
Irr I029 S over 124 St Goodwill Ck	1982	2,510	Fair
Irr I029 S over 127 St (fas)	1978	2,510	Fair
Irr I029 S over Agency Ck	1981	2,510	Good
Irr I029 S over Br Hines Ck	1981	2,510	Fair
455TH Avenue over BNSF Railroad	1940	2,500	Fair
455TH Avenue over Big Sioux River	1939	2,500	Fair
Irr SD010 over Ck	1997	2,444	Good
Irr SD010 over Ck	1997	2,444	Fair
Irr US012 over I029	1978	1,830	Fair
459TH Avenue over Creek	1941	1,650	Fair
Irr SD010 over I029	1982	1,615	Fair
Irr SD010 over Little Minnesota Rv	2006	1,615	Fair
459TH Avenue over Creek	1941	1,600	Fair
459TH Avenue over Creek	1941	1,600	Good
Sd Hw 10 over Lake Travrse Overflw Div	1945	1,120	Fair
Irr SD127 over Br Little Minnesota Rv	1953	872	Fair
Irr SD127 over Little Minnesota Rv	1953	872	Poor
SD015 over North Fork Whetstone Rv	1958	786	Fair
SD015 over Ck	2021	759	Good
SD015 over North Fork Whetstone Rv	2021	759	Good
Irr SD127 over Ck	2023	684	Good
Irr SD127 over Ck	2023	684	Good
473RD Avenue over Big Slough Creek	1953	620	Fair
Irr SD106 over Little Minnesota Rv	1965	509	Fair
455TH Avenue over Long Hollow	2004	505	Good
467TH Avenue over Drainage Ditch	2012	480	Good
127TH Street over Creek	1929	458	Fair
Irr 144 St over I029	1979	452	Good
455TH Avenue over Creek	1937	412	Fair
455TH Avenue over Creek	1937	412	Fair
455TH Avenue over Creek	1937	408	Fair
Irr SD025 over Ck	1960	378	Fair
Irr SD025 over Upper Little Minnesota R	1965	360	Fair
Irr SD127 over Big Slough Ck	1955	354	Poor
469TH Avenue over Drainage Ditch	2012	328	Good
119TH Street over Jim Creek	1935	294	Fair
127TH Street over Jorgenson River	1991	285	Good
SD123 over Ck	1988	280	Fair
SD123 over Ck	1988	280	Fair
462ND Avenue over Creek	1931	271	Fair
127TH Street over Creek	2017	254	Good
Irr 129 St over I029	1978	254	Fair
472ND Avenue over Creek	1955	208	Fair
105 St over Bois De Sioux R	1930	200	Poor
122ND Street over Little Minnesota River	2020	198	Good
127TH Street over Jorgenson River	1939	198	Fair
472ND Avenue over N. Fork Whetstone Rv	1938	195	Fair
468TH Avenue over Jim Creek	2024	175	Good
467TH Avenue over Creek	2023	165	Good
467TH Avenue over Tributary	2011	165	Good
101ST Street over Creek	1929	144	Poor
Irr SD015 over I029	1977	132	Fair
474TH Avenue over N. Fork Whetstone Rv	2003	125	Good
140TH Street over N. Fork Whetstone Rv	1973	88	Fair
451ST Avenue over Little Minnesota River	2004	80	Good
Irr 113 St over I029	1980	79	Fair
118TH Street over Creek	1983	75	Fair
Irr Bia Rte 121 over Big Spring Creek	2018	75	Good
110TH Street over Little Minnesota River	2014	68	Good
116TH Street over Little Minnesota River	1988	68	Fair
118TH Street over Little Minnesota River	1939	68	Poor
125TH Street over Jorgenson River	1981	68	Fair
141ST Street over Creek	1969	68	Poor
465TH Avenue over Little Minnesota River	1996	68	Good
470TH Avenue over Creek	1984	68	Good
471ST Avenue over Creek	1984	68	Fair
Irr 104 St over I029	1976	68	Fair
Irr County Rd over I029	1978	68	Fair
Irr Eastman Rd over I029	1982	68	Fair
470TH Avenue over N Fork Whetstone River	1988	55	Fair
468TH Avenue over Creek	1901	50	Poor
471ST Avenue over Creek	1934	50	Poor
463RD Avenue over Little Minnesota River	1986	47	Fair
141ST Street over N. Fork Whetstone Rv	1935	38	Poor
466TH Avenue over Creek	1940	38	Poor
466TH Avenue over Creek	1985	38	Good
104TH Street over Little Minnesota River	1967	35	Poor
110TH Street over Creek	1940	35	Fair
112TH Street over Little Minnesota River	1974	35	Poor
129TH Street over Creek	2022	35	Good
138TH Street over N. Fork Whetstone Rv	1965	35	Poor
450TH Avenue over Little Minnesota River	1950	35	Poor
457TH Avenue over Creek	2024	35	Good
466TH Avenue over Creek	1935	35	Poor
130TH Street over Jorgenson River	1992	34	Good
463RD Avenue over Creek	1935	34	Fair
456TH Avenue over Long Hollow Ck	2006	33	Good
466TH Avenue over Creek	1940	32	Poor
465TH Avenue over Creek	1945	31	Poor
465TH Avenue over Creek	1945	31	Poor
465TH Avenue over Creek	2007	31	Good
107TH Street over Little Minnesota River	1950	30	Poor
117TH Street over Jim Creek	1929	30	Poor
134TH Street over N. Fork Whetstone Rv	1960	30	Poor
451ST Avenue over Creek	2021	30	Good
458TH Avenue over Creek	1940	30	Fair
463RD Avenue over Creek	1929	30	Poor
463RD Avenue over Creek	1966	30	Poor
463RD Avenue over Tributary	2005	30	Good
474TH Avenue over Big Slough Creek	1960	30	Poor
451ST Avenue over Creek	1940	29	Poor
468TH Avenue over N. Fork Whetstone Rv	1940	28	Poor
104TH Street over Creek	2024	25	Good
105TH Street over Little Minnesota River	1967	25	Poor
119TH Street over Creek	1931	25	Fair
454TH Avenue over Creek	1950	25	Poor
475TH Avenue over N. Fork Whetstone Rv	1967	25	Poor
477TH Avenue over Creek	1966	25	Poor
112TH Street over Creek	2009	23	Good
112TH Street over Trib to Little Mn River	2018	23	Good
460TH Avenue over Big Coulee Creek	1950	22	Poor
460TH Avenue over Creek	1930	22	Fair
476TH Avenue over Big Slough Creek	1930	22	Poor
477TH Avenue over Big Slough Creek	1955	22	Poor
117TH Street over Creek	1965	20	Poor
456TH Avenue over W. Brach Little Mn River	1994	20	Good
464TH Avenue over Creek	1950	20	Poor
464TH Avenue over N. Fork Whetstone Rv	1929	20	Poor
468TH Avenue over Creek	1967	20	Poor
471ST Avenue over Creek	2017	20	Good
469TH Avenue over Creek	1935	17	Poor
Irr 117 St over I029	1982	16	Fair
461ST Street over Little Minnesota River	2000	15	Good
466TH Avenue over Jim Creek	1964	15	Fair
138TH Street over Creek	1938	10	Poor
453RD Avenue over BNSF Railroad	1936	10	Fair
139TH Street over Creek	1968	5	Poor

Source: FHWA National Bridge Inventory, 2025.

Roberts 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.