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Every bridge in Hamlin County, South Dakota

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

61 inventoried bridges, busiest first

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

Hamlin County, South Dakota, has 61 bridges in the 2025 National Bridge Inventory: 26 rated good, 28 fair, and 7 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 N over 462 Ave	1973	4,595	Fair
I029 N over SD022	1973	4,595	Fair
I029 N over Stray Horse Ck	1973	4,595	Fair
I029 S over 462 Ave	1973	4,595	Fair
I029 S over SD022	1973	4,595	Fair
I029 S over Stray Horse Ck	1973	4,595	Fair
US081 over Lake Albert Outlet	1991	2,258	Fair
SD028 over Lake Norden Outlet	1949	1,862	Fair
SD028 over Big Sioux Rv	1951	1,371	Fair
SD028 over Trib Dolph Ck	2021	1,240	Good
SD028 over Trib Dolph Ck	2021	1,240	Good
SD028 over Ck	2011	1,233	Good
SD028 over Dolph Ck	1949	1,233	Fair
SD022 over Trib Big Sioux	2021	1,168	Good
SD022 over Big Sioux Rv	1957	1,096	Fair
SD028 over Lake Poinsett Inlet	1951	1,034	Fair
SD028 over Lake Poinsett Outlet	1951	1,034	Fair
SD022 over Stray Horse Ck	1957	917	Fair
2ND Avenue over Trib. to Big Sioux River	2014	890	Good
465TH Avenue over Hidewood Creek	2005	720	Good
SD021 over Dolph Ck	1985	711	Fair
184TH Street over Stray Horse Creek	1990	376	Good
459TH Avenue over Big Sioux River	2018	375	Good
459TH Avenue over Trib. to Big Sioux River	2000	375	Good
450TH Avenue over Lake St. John Outlet	1930	324	Fair
188TH Street over Lake Marsh Inlet	1941	261	Fair
459TH Avenue over Boswell Diversion Ditch	1956	253	Fair
459TH Avenue over Lake Poinsett Outlet	1974	200	Fair
180TH Street over Big Sioux River	1930	135	Poor
446TH Avenue over Lake Marsh Inlet	1936	135	Fair
460TH Avenue over Boswell Diversion Ditch	1929	129	Fair
463RD Avenue over Trib. to Big Sioux River	1926	125	Fair
463RD Avenue over Trib. to Stray Horse Crk	2017	125	Good
463RD Avenue over Big Sioux River	1953	119	Fair
180TH Street over Stray Horse Creek	1990	118	Fair
180TH Street over Trib. to Stray Horse Crk	2019	118	Good
192ND Street over Hidewood Creek	1930	115	Poor
Bluejay Street over Lake Norden Outlet	2002	100	Good
463RD Avenue over Trib. to Big Sioux River	2006	90	Good
465TH Avenue over Trib. to Stray Horse Crk	2020	80	Good
466TH Avenue over Trib. to Stray Horse Crk	2005	80	Good
190TH Street over Big Sioux River	1980	75	Fair
167TH Street over Big Sioux River	1982	66	Good
181ST Street over Big Sioux River	2016	66	Good
192ND Street over Lake Poinsett Outlet	1999	66	Good
195TH St 452ND Ave over Lake St. John Outlet	1992	66	Fair
195TH Street over Big Sioux River	1993	66	Good
446TH Avenue over Dolph Creek	2018	66	Good
460TH Avenue over Lake Poinsett Outlet	1960	66	Poor
462ND Avenue over Big Sioux River	1992	66	Good
464 Ave (fas 6499) over I029	1973	66	Fair
464TH Avenue over Big Sioux River	1990	66	Good
464TH Avenue over Hidewood Creek	2009	66	Good
464TH Avenue over Trib. to Stray Horse Crk	1967	59	Fair
189TH Street over Big Sioux River	2008	45	Good
180TH Street over Trib. to Stray Horse Crk	2020	40	Good
190TH Street over Hidewood Creek	1965	40	Poor
192ND Street over Big Sioux River	2001	40	Good
194TH Street over Dolph Creek	1960	38	Poor
180TH Street over Trib. to Big Sioux River	1930	25	Poor
179 Street over Stray Horse Ck	1910	5	Poor

Source: FHWA National Bridge Inventory, 2025.

Hamlin 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.