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Every bridge in Harper County, Kansas

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

373 inventoried bridges, busiest first

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

Harper County, Kansas, has 373 bridges in the 2025 National Bridge Inventory: 99 rated good, 242 fair, and 32 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
K2 Hwy over Spring Creek Drainage	1959	3,406	Good
K-2 Hwy over East Sand Creek Drainage	1992	2,657	Good
K2 Hwy over Chikaskia River	1990	2,616	Good
K2 Hwy over East Sand Creek Drainage	1937	2,616	Good
K2 Hwy over East Spring Creek	1937	2,616	Good
K-2 Hwy over BNSF Railroad	1992	2,544	Good
K-2 Hwy over Sand Creek	1992	2,544	Good
US160 Hwy over East Sand Creek Drainage	1956	2,483	Good
US160 Hwy over East Sand Creek Drainage	1956	1,888	Good
US160 Hwy over BNSF Railway	1962	1,508	Fair
US160 Hwy over Mid Br Bluff CR Drg	1958	1,508	Good
US160 Hwy over Mid Branch Bluff Creek	2017	1,508	Good
US160 Hwy over W Branch Bluff Creek	2017	1,508	Good
US160 Hwy over BNSF Railway	1940	1,375	Good
US160 Hwy over East Sand Creek Drainage	1956	1,375	Good
US160 Hwy over Camp Creek	1962	1,293	Good
US160 Hwy over Cottonwood Creek	1962	1,293	Good
US160 Hwy over Rush Creek	2017	1,261	Good
US160 Hwy over Rush Creek Drg	2017	1,261	Good
US160 Hwy over Rush Creek Drg	2017	1,261	Good
US160 Hwy over Spring Creek	2017	1,261	Good
US160 Hwy over Chikaskia River	1961	1,221	Fair
US160 Hwy over East Spring Creek	1961	1,221	Fair
US160 Hwy over Bachelor Creek	1962	1,077	Good
US160 Hwy over W Sandy Creek Drain	1962	1,077	Good
US160 Hwy over West Sandy Creek	1962	1,077	Fair
K-2 Hwy over Spring Creek	1995	1,067	Good
K2 Hwy over Bluff Creek	1969	1,067	Fair
NW 60 Rd over Camp Creek	1924	1,030	Poor
K-14 Hwy over Sand Creek	1998	887	Good
K179 Hwy over Bluff Creek	1975	836	Fair
K179 Hwy over Spring Creek	1975	836	Fair
K-44 Hwy over Bluff Creek Drainage	2004	805	Good
K-44 Hwy over Rock Creek	2004	805	Good
K-2 Hwy over Big Sandy Creek	1998	621	Good
K2 Hwy over Beaver Creek	1929	621	Good
K2 Hwy over Camp Creek	2015	621	Good
K2 Hwy over Sandy Creek Drainage	1927	621	Fair
K-2 Hwy over Little Sandy Creek	2004	580	Good
Rs 302 NE 10 Rd over Sand Creek	1976	500	Fair
K-44 Hwy over Fall Creek Drainage	2005	472	Good
K-44 Hwy over Silver Creek	2004	472	Good
K-44 Hwy over Silver Creek Drainage	2004	472	Good
K44 Hwy over Bachelor Creek	1934	472	Good
K44 Hwy over Bachelor Creek Drainage	1934	472	Good
K44 Hwy over Fall Creek	1934	472	Good
K44 Hwy over Spring Branch Creek	1934	472	Good
Rs 296 (NW 100 Ave over West Branch Bluff Creek	1935	310	Fair
Rs 296 (NW 100 Ave over Bluff Creek	1980	260	Good
Rs 300 SE 90 Ave over Baehr Creek	1961	220	Fair
NW 110 Ave RS 296 over Camp Creek	1930	200	Fair
NW 150th Road over W. Branch of Bluff Creek	1963	200	Good
RS 296 NW 40 Rd over Camp Creek	1935	200	Fair
Rs 301 NE 100 Ave over Sand Creek	1970	170	Good
Rs 301 NE 100 Ave over Trib. to Sand Creek	1948	170	Fair
Rs 300 SE 90 Ave over Bluff Creek	1984	153	Fair
NE 100th Ave. over Stream	1930	140	Fair
NE 30th Ave. over Trib. to Spring Creek	1948	140	Good
NE 30th Road over Spring Creek	1948	140	Fair
RS 302 NW 100 Rd over Rush Creek	1956	138	Good
Rs 302 NW 100 Rd over Spring Creek	1940	138	Fair
Rs 302 NW 100 Rd over Stream	1955	138	Fair
Rs 302 NW 100 Rd over Trib. to Rush Creek	1930	138	Good
Rs 302 NW 100 Rd over Trib. to Rush Creek	1957	138	Good
SE 90th Ave. over Trib. to Pond Creek	1940	135	Fair
SE 90th Road over Trib. to Pond Creek	1951	135	Good
Rs 1486 NE 80 Ave over Spring Creek	1930	133	Fair
Rs 1486 NE 80 Ave over Trib. to Spring Creek	1935	133	Fair
Rs 1845 NW 100 Rd over E. Branch of Bluuf Creek	1966	90	Fair
Rs 1845 NW 100 Rd over Middle Branch Bluff Ck.	1962	90	Fair
Rs 1845 NW 100 Rd over Stream	1932	90	Fair
Rs 1845 NW 100 Rd over Stream	1972	90	Good
Rs 1845 NW 100 Rd over Stream	1950	90	Fair
Rs 1845 NW 100 Rd over Trib. to Rush Creek	1945	90	Fair
SW 80th AVE over Plum Creek	1946	85	Fair
NE 30 Rd Y.1-14.0 over Stream	1930	80	Fair
NE 30 Rd over Stream	1930	80	Poor
NE 30 Road. over Baehr Creek	1930	80	Fair
NW 160 Rd over Stream	1932	80	Fair
NW 40 Ave over Beaver Creek	2014	80	Fair
NW 60 Ave over Stream	1925	80	Fair
NW 60 Rd over Cottonwood Creek	1918	80	Poor
NW 60th RD over Bachelor Creek	1915	80	Fair
NW 60th RD over Gene Creek	1925	80	Fair
NW 60th RD over W. Sandy Creek	1925	80	Fair
NW 70 Ave over Stream	1930	80	Fair
NW 70 Ave over Stream	1935	80	Good
NW 70th AVE over West Branch Bluff Creek	1945	80	Fair
NW 70th Ave over Stream	1930	80	Fair
Rs 302 NW 50TH Ave over Stream	1940	80	Poor
Rs 302 NW 50TH Ave over Trib. to Rush Creek	1935	80	Fair
SE 30 Rd over Rock Creek	2002	80	Good
SE 30 Rd over Silver Creek	1957	80	Fair
SE 30 Rd over Stream	2007	80	Fair
SE 30th RD Y.1-20 over Stream	1974	80	Good
SE 30th RD Y.9-20 over Baehr Creek	1974	80	Fair
SE 40th RD over Spring Branch Creek	2024	80	Good
SE 40th RD over Stream	2012	80	Fair
SE 40th RD over Stream	1958	80	Fair
SE 40th Road over Stream	1946	80	Fair
SW 40 Rd over Plum Creek	1930	80	Fair
SW 40th RD over Little Sandy Creek	1930	80	Poor
SW 40th RD over Sandy Creek	1988	80	Good
NE 40th Ave. over Sand Creek	1979	75	Fair
NW 120th RD over Bluff Creek	1956	75	Fair
RS 295 SW 140 Ave over Little Sandy Creek	1977	75	Good
RS 299 SE 70th Rd over Trib. to Pond Creek	1957	75	Good
NE 120 Rd over Sand Creek	1966	70	Fair
Rs 302 NE 10 Rd over Trib. to Sand Creek	1976	70	Fair
RS 1485 40 Ave over Trib. to Silver Creek	1925	66	Poor
NE 120 Rd over Stream	1951	60	Good
NW 130th RD over East Branch Bluff Creek	2002	60	Fair
SE 70 Rd RS 299 over Wildcat Creek	1930	60	Fair
NE 40 Ave over Trib. to Sand Creek	1930	59	Fair
Rs 1485 SE 40 Ave over Bluff Creek	1967	55	Fair
Rs 1485 SE 40 Ave over Wildcat Creek	1935	55	Poor
Local 3-e.7 over Unnamed Draw	1987	50	Fair
Local L.6-20.1 over Stream	1986	50	Good
Local Q.2-10.0 over Spring Creek	1981	50	Fair
Local R.5-28 over Stream	1945	50	Fair
Local Rd. L.9-20.0 over Stream	1978	50	Poor
Minor C.0-4.6 over Cottonwood Creek	1964	50	Fair
NE 10 Rd over Stream	1987	50	Fair
NE 110 Rd Z.1-6.0 over Stream	1970	50	Good
NE 120 Rd over Spring Creek	1930	50	Fair
NE 30 Rd over Rock Creek	1970	50	Fair
NE 30 Rd over Silver Creek	1935	50	Good
NE 30 Rd over Stream	1987	50	Good
NE 30 Rd over Stream	1935	50	Fair
NE 80 Ave Z.0-9.6 over Sand Creek	1985	50	Good
NW 60th RD over Stream	1919	50	Fair
NW 70 Rd G.7-10.0 over West Branch Bluff Creek	1959	50	Fair
NW 70 Rd over Stream	1987	50	Fair
NW 80 Rd 9.0-n.9 over Stream	1940	50	Fair
NW 90 Rd 8.0-g.1 over West Branch Bluff Creek	1961	50	Fair
NW 90 Rd 8.0-q.3 over Spring Creek	1935	50	Fair
Rs 977 over Salty Creek	1988	50	Good
S.5-28.0 Off Syst. over Stream	2009	50	Fair
SE 87 Rd over Crooked Creek	1986	50	Good
SW 100 Rd over Sandy Creek	1986	50	Good
SW 100th RD over Sandy Creek	1986	50	Good
SW 15 Ave over Bluff Creek	1984	50	Good
SW 20 Rd over Spring Creek	1997	50	Fair
SW 80th Road over Trib. to Salty Creek	1940	50	Fair
SW 80th Road over Trib. to Salty Creek	1940	50	Fair
SE 70th Rd RS 299 over Trib. to Pond Creek	1935	46	Good
Rs 1829 NE 60 Rd over Stream	1936	45	Fair
RS 990 SW 60 Rd over Sandy Creek	1981	40	Fair
Rs 990 SW 60 Rd over Plum Creek	1991	40	Fair
Rs 990 SW 60 Rd over Trib. to Sandy Creek	1936	40	Fair
Rs 990 SW 60 Rd over Trib. to Sandy Creek	1940	40	Fair
SE 10 Ave over Bluff Creek	2003	40	Good
SW 40 Ave over Stream	1930	40	Poor
SW 60th Road over Sandy Creek	1958	40	Good
SW 80 Ave RS 297 over Trib. to Sandy Creek	1935	40	Fair
Rs 300 SE 90 Ave over Pond Creek	1935	39	Fair
NE 130 Rd over Chikaskia River	1985	31	Fair
Local 9.0-q.6 over Spring Creek	1970	30	Fair
NE 120 Rd over Stream	1970	30	Poor
NE 150 Rd over Sandy Creek	1989	30	Fair
NE 90th Ave over Spring Creek	1970	30	Fair
NW 140th RD over Middle Branch Bluff Crk	2016	30	Good
NW 20 Ave P-1.8 over Sand Creek	1929	30	Fair
NW 50 Rd over Rush Creek	2002	30	Fair
NW 80 Rd over Stream	1992	30	Fair
NW 90 Ave over West Branch Bluff Creek	1967	30	Fair
NW 90 Rd 8.0-0.1 over Rush Creek	1997	30	Good
NW 90 Rd 8.0-o.8 over Stream	1970	30	Good
NW 90 Rd over Stream	1972	30	Fair
NW. 80th Road over Stream	1925	30	Fair
SE 50 Rd Cc.5-22 over Stream	1989	30	Fair
SE 50 Rd over Spring Branch Creek	1974	30	Fair
SE 50th RD over Bluff Creek	2018	30	Good
SW 120th Ave over W. Sandy Creek	1930	30	Fair
SW 30 Rd O.0-19.9 over Beaver Creek	1930	30	Fair
Rs 1829 60 Rd over Trib. to Sand Creek	1946	25	Fair
Local U.1-28 over Stream	1941	24	Good
Local Cc.0-21.9 over Spring Branch Creek	1979	20	Poor
Local X-21.2 over Bluff Creek	1998	20	Fair
Local Z.0-14.8 over Stream	1953	20	Fair
NE 100 Ave over Spring Creek	1970	20	Fair
NE 110 Ave over Spring Creek	2009	20	Fair
NE 110 Rd over Stream	1930	20	Fair
NE 130 Rd over Sandy Creek	2006	20	Fair
NE 130 Rd over Stream	2003	20	Fair
NE 130 Rd over Stream	2006	20	Good
NE 130th RD over Stream	2006	20	Good
NE 150 Rd over Spring Creek	1945	20	Poor
NE 150 Rd over Stream	1930	20	Fair
NE 160 Rd over Stream	2024	20	Good
NE 160th RD over Stream	2024	20	Good
NE 20 Rd over Stream	1945	20	Fair
NE 20 Rd over Stream	1975	20	Fair
NE 30 Ave over Stream	1970	20	Fair
NE 50 Ave over Spring Creek	1930	20	Fair
NE 60 Ave X-4.4 over Stream	1970	20	Fair
NE 70 Ave over Spring Creek	1930	20	Fair
NE 70 Ave over Stream	1998	20	Fair
NE120 Ave over Stream	1950	20	Fair
NW 110 Ave over Stream	1965	20	Fair
NW 110 Rd over Rush Creek	1965	20	Fair
NW 110 Rd over Rush Creek	1965	20	Fair
NW 120 Ave over Camp Creek	1961	20	Fair
NW 120 Rd over Stream	1930	20	Fair
NW 130 Rd over Rush Creek	1965	20	Fair
NW 130 Rd over Stream	2001	20	Poor
NW 170 Ave over Gene Creek	1948	20	Poor
NW 40 Ave over Stream	1965	20	Fair
NW 40 Rd over Stream	2002	20	Fair
NW 40th RD over Camp Creek	1925	20	Fair
NW 50 Rd over Cottonwood Creek	1945	20	Fair
NW 50 Rd over Stream	1925	20	Fair
NW 70 Rd over Stream	1980	20	Fair
SE 50 Ave over Bluff Creek	2002	20	Fair
SW 140th Ave over West Sandy Creek	1972	20	Fair
SW 150 Ave over Salty Creek	2004	20	Fair
SW 60 Ave over Stream	1930	20	Fair
SW 70 Rd over Stream	1979	20	Fair
NW 40th RD over Cottonwood Creek	1987	12	Fair
SW 150 Ave over Salty Creek	2004	12	Good
40TH N Dd.9-6.0 over Stream	1965	10	Fair
70 Rd 10.0-z.3 over Sand Creek	1977	10	Fair
Creek Rd (ee-24.9) over Stream	2013	10	Good
Creek Rd Ee.0-10.4 over Sand Creek	1970	10	Fair
Local 3-d.6 over Stream	1954	10	Fair
Local B.1-12 over West Sandy Creek	1980	10	Fair
Local Dd.2-23 over Bluff Creek	1970	10	Poor
Local E.0-3.9 over W. Branch Bluff Creek	1930	10	Fair
Local N.2-19 over Beaver Creek	1930	10	Poor
Local Q.6-16.5 over Spring Creek	1971	10	Good
MW. 30th Road over Spring Creek	1912	10	Fair
NE 10 Rd over Rock Creek	1997	10	Fair
NE 10 Rd over Silver Creek	1970	10	Fair
NE 10 Rd over Stream	1945	10	Fair
NE 120 Ave over Stream	1948	10	Poor
NE 120th AVE over Spring Creek	1967	10	Fair
NE 130 Ave over Stream	1945	10	Fair
NE 130 Rd @ 15 Ave over Trib. to Sand Creek	1980	10	Poor
NE 130 Rd over Spring Creek	1970	10	Fair
NE 130Ave EE.0-5.9 over Stream	1945	10	Fair
NE 140 Rd over Spring Creek	1970	10	Poor
NE 150 Rd over Stream	1946	10	Fair
NE 20 Rd over Rock Creek	2007	10	Fair
NE 20 Rd over Silver Creek	1970	10	Fair
NE 40 Rd over Silver Creek	2002	10	Good
NE 40 Rd over Stream	1950	10	Fair
NE 5 Ave R.5-3.2 over Sand Creek	1967	10	Fair
NE 50 Ave over Stream	1930	10	Fair
NE 50 Ave over Stream	1930	10	Fair
NE 60 Ave over Sand Creek	1972	10	Fair
NE 60 Rd over Stream	1970	10	Fair
NE 70 Ave over Sand Creek	2006	10	Good
NE 70 Rd 10.0-dd.0 over Sand Creek	2008	10	Good
NE 70 Rd Bb.8-10.0 over Sand Creek	1972	10	Fair
NE 70 Rd over Stream	1953	10	Good
NE 80 Ave over Stream	2002	10	Fair
NE 90 Av Aa.0-10.3 over Sand Creek	1974	10	Fair
NE 90th Ave over Stream	1945	10	Fair
NE. 110th Road. over Spring Creek	2013	10	Good
NE120 Av Dd.0-10.6 over Stream	1960	10	Fair
NW 10 Rd over Bluff Creek	1965	10	Poor
NW 10 Rd over Camp Creek	2003	10	Fair
NW 100 Rd over W. Branch Bluff Creek	2005	10	Fair
NW 110 Ave over Stream	1960	10	Poor
NW 110 Rd over Bluff Creek	1966	10	Poor
NW 110 Rd over East Branch Bluff Creek	1965	10	Fair
NW 110 Rd over Middle Branch Bluff Ck.	1945	10	Fair
NW 120 Ave over Camp Creek	1973	10	Good
NW 120 Ave over W. Branch Bluff Creek	2006	10	Fair
NW 120 Rd over Bluff Creek	2006	10	Good
NW 120 Rd over Rush Creek	1970	10	Good
NW 120 Rd over Rush Creek	1938	10	Fair
NW 120th Ave over Stream	1953	10	Fair
NW 120th Ave. over Stream	1930	10	Good
NW 120th RD over Stream	1962	10	Fair
NW 130 Ave over Stream	1930	10	Fair
NW 130 Rd over Middle Branch Bluff Ck.	1930	10	Fair
NW 130 Rd over Spring Creek	1980	10	Good
NW 130th Road over Cottonwood Creek	2001	10	Good
NW 140 Rd over Bluff Creek	1967	10	Fair
NW 140 Rd over East Branch Bluff Creek	1940	10	Fair
NW 140 Rd over W. Branch Bluff Creek	1970	10	Fair
NW 140th Ave over Cottonwood Creek	1997	10	Fair
NW 140th Ave over Stream	1935	10	Fair
NW 150th Ave over W. Sandy Creek	1949	10	Fair
NW 165th Ave over Stream	1980	10	Fair
NW 170 Ave over Spring Creek	1970	10	Fair
NW 170 Ave over Spring Creek	1970	10	Poor
NW 170 Ave over West Sand Creek	1970	10	Fair
NW 20 Rd over Sandy Creek	1956	10	Fair
NW 30 Rd over Camp Creek	2000	10	Good
NW 30 Rd over Camp Creek	1940	10	Fair
NW 30th RD over Sand Creek	1925	10	Fair
NW 30th RD over Stream	1970	10	Poor
NW 40 Ave over Bluff Creek	1970	10	Fair
NW 40 Ave over Stream	1950	10	Good
NW 40 Rd over Rush Creek	2016	10	Good
NW 40 Rd over Spring Creek	2003	10	Fair
NW 50 Ave over Stream	1962	10	Fair
NW 50 Rd over Camp Creek	1980	10	Fair
NW 50 Rd over Spring Creek	1930	10	Fair
NW 50 Rd over Stream	1980	10	Fair
NW 50th RD over Stream	1980	10	Fair
NW 60 Ave over Beaver Creek	1978	10	Fair
NW 60 Ave over Stream	1930	10	Good
NW 70 Ave over East Branch Bluff Creek	1960	10	Fair
NW 80 Ave J-10.8 over West Branch Bluff Creek	1935	10	Fair
NW 80 Rd 9.0-g.4 over West Branch Bluff Creek	1968	10	Poor
NW 80 Rd 9.0-i.4 over Bluff Ck.	1998	10	Fair
NW 80 Rd I.5-9.0 over Middle Branch Bluff Ck.	1964	10	Fair
NW 80 Rd over Bachelor Creek	1980	10	Fair
NW 80 Rd over East Branch Bluff Creek	1980	10	Fair
NW 90 Ave over Stream	1963	10	Fair
NW 90 Rd 8.0-h.6 over Bluff Creek	2004	10	Fair
NW 90 Rd 8.0-i.1 over Bluff Creek	1966	10	Fair
NW 90 Rd 8.0-i.7 over Middle Branch Bluff Ck.	1967	10	Poor
NW 90 Rd 8.0-k.1 over East Branch Bluff Creek	1967	10	Fair
NW 90 Rd over Cottonwood Creek	1965	10	Fair
NW 90th Ave over Cottonwood Creek	1958	10	Fair
NW 90th Ave over Middle Branch Bluff Cree	1960	10	Fair
SE 10 Ave over Wildcat Creek	1940	10	Fair
SE 10 Rd over Rock Creek	1940	10	Fair
SE 10 Rd over Silver Creek	1945	10	Fair
SE 110 Ave over Stream	1940	10	Fair
SE 120 Ave over Stream	1940	10	Fair
SE 120 Rd over Stream	1970	10	Fair
SE 20 Ave over Stream	1940	10	Fair
SE 20 Ave over Stream	1997	10	Good
SE 20 Rd over Rock Creek	1954	10	Fair
SE 20 Rd over Silver Creek	1930	10	Poor
SE 20 Rd over Spring Branch Creek	2003	10	Fair
SE 20 Rd over Stream	1967	10	Fair
SE 20th RD over Baehr Creek	1945	10	Fair
SE 30 Rd over Spring Branch Creek	2004	10	Fair
SE 30 Rd over Stream	1966	10	Fair
SE 30th RD over Stream	1952	10	Fair
SE 50 Rd over Bluff Creek	1970	10	Poor
SE 50 Rd over Stream	1945	10	Fair
SE 55 Rd over Stream	1976	10	Fair
SE 60 Ave over Stream	1930	10	Fair
SE 70 Ave over Stream	2001	10	Fair
SE 70 Ave over Stream	1976	10	Fair
SE 80 Ave over Baehr Creek	1945	10	Fair
SE 90 Rd over Pond Creek	1974	10	Fair
SW 10 Rd over Little Sandy Creek	1977	10	Fair
SW 10 Rd over Spring Creek	2019	10	Good
SW 100 Ave over Stream	1965	10	Fair
SW 100 Rd over Stream	1988	10	Fair
SW 130 Ave over Sandy Creek	1960	10	Fair
SW 15 Ave P.5-19.8 over Beaver Creek	2001	10	Fair
SW 160th ave over Little Sandy Creek	1960	10	Fair
SW 170th Ave. over Salty	1945	10	Fair
SW 20 Ave over Copper Creek	1960	10	Poor
SW 20 Rd over Plum Creek	1950	10	Fair
SW 20th Road over Stream	1950	10	Fair
SW 30 Rd P.4-20.0 over Beaver Creek	1987	10	Fair
SW 40 Rd over Trib of Bluff Creek	2023	10	Good
SW 50 Ave over Beaver Creek	2003	10	Fair
SW 50 Ave over Stream	1952	10	Fair
SW 50 Ave over Stream	1952	10	Poor
SW 60 Ave over Trib. to Sand Creek	2008	10	Fair
SW 60th RD over Salty Creek	1952	10	Fair
SW 70 Ave over Stream	2016	10	Good
SW 70 Rd over Trib. to Sandy Creek	1976	10	Poor
SW 90 Rd over Copper Creek	1994	10	Good
SW 90 Rd over Sandy Creek	1999	10	Fair
State Line RD over Stream	1965	10	Fair
NE 110 Rd over Stream	1945	5	Fair
NE 120 Rd Dd.5-5.0 over Stream	1945	5	Fair
SE 106 Rd over Pond Creek	1930	5	Fair
SW 60 Ave over Stream	1930	5	Poor
SW 60 Rd over Wild Cat Creek	1945	5	Fair
SW 60 Ave over Rush Creek	1972	1	Fair

Source: FHWA National Bridge Inventory, 2025.

Harper County bridge conditions · Kansas bridges by county.

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