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Every bridge in Buchanan County, Iowa

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

320 inventoried bridges, busiest first

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

Buchanan County, Iowa, has 320 bridges in the 2025 National Bridge Inventory: 139 rated good, 161 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
I-380 over Mud Creek	1983	17,700	Good
US 20 over Drainage Ditch	1980	10,700	Good
1ST St W over Wapsipinicon River	1917	10,258	Fair
US 20 over Drainage Ditch	1980	10,100	Good
US 20 over Drainage Ditch	1980	10,100	Fair
Ia 150 over Wapsipinicon River	1927	9,000	Fair
NB I-380 over Bear Creek	1984	8,950	Good
SB I-380 over Bear Creek	1984	8,950	Good
NB I-380 over Lime Creek	1984	8,850	Fair
SB I-380 over Lime Creek	1984	8,850	Fair
I 380 SB over D48	1984	8,550	Good
NB I-380 over SR D48	1984	8,550	Good
US 20 over Dry Creek	1979	8,300	Fair
1ST St East over Melone Creek	2019	6,094	Good
Ia 150 over Hazelton Creek	1986	5,100	Good
Ia 150 over Bear Creek	2013	4,650	Good
Ia 150 over Bear Creek	2009	4,650	Good
Ia 150 over Branch Bear Creek	1983	4,530	Fair
Ia 150 over Branch Bear Creek	1976	4,530	Fair
SR W-40 over US 20	1978	4,174	Fair
EB US 20 over Pine Creek	1978	4,150	Fair
EB US 20 over Wapsipinicon River	1978	4,150	Fair
WB US 20 over Pine Creek	1978	4,150	Good
WB US 20 over Wapsipinicon River	1978	4,150	Fair
Ia 150 over Branch Otter Creek	1984	3,890	Fair
Ia 150 over Branch Otter Creek	1984	3,890	Good
Ia 150 over Harte Creek	1984	3,890	Fair
Ia 150 over Otter Creek	1991	3,890	Good
Ia 150 over Stream	1984	3,890	Fair
EB US 20 over Buffalo Creek	1978	3,500	Fair
WB US 20 over Buffalo Creek	1978	3,500	Fair
220TH St over Drainage Ditch	1974	3,260	Fair
Jackson Ave over Small Stream	1976	3,103	Fair
EB US 20 over Ia 150	1978	3,100	Good
WB US 20 over Ia 150	1978	3,100	Fair
V65 over Small Stream	2014	2,917	Good
2ND St SW over Wapsipinicon River	1968	2,834	Fair
Racine Ave over Drainage Ditch	1953	2,671	Fair
Racine Ave over Drainage Ditch	1953	2,671	Poor
Racine Ave over Small Natural Stream	1954	2,671	Poor
Ia 281 over Little Wapsipinicon Rvr	1954	2,670	Fair
220TH St over Small Natural Stream	1999	2,494	Fair
Ia 281 over Hunter Creek	1986	2,330	Good
Ia 281 over Otter Creek	1986	2,330	Fair
Ia 187 over Lamont Creek	1977	2,250	Fair
Ia 187 over So Fk Maquoketa River	1989	2,250	Good
FM V-65 over US 20	1980	2,062	Good
Ia 187 over Prairie Creek	1989	1,960	Good
FM Denison Ave over Small Creek	1998	1,650	Fair
FM over Little Wapsipinicon	1996	1,650	Good
FM over Small Creek	1998	1,650	Fair
Ia 187 over Stream	1960	1,560	Fair
FM over Buck Creek	1980	1,493	Fair
D22 (220TH St) over Drainage Ditch	2013	1,420	Good
D22 (220TH St) over Pine Creek	2013	1,420	Good
FM over Wapsipinicon River	1962	1,390	Poor
V62 Baxter Ave over Small Stream	2018	1,365	Good
FM over Buck Creek	1972	1,277	Fair
Iowa Ave (mhi) over US 20	1980	1,218	Good
W35 Quasqueton Ave over Small Creek	2019	1,180	Good
W35 Quasqueton Ave over Small Stream	2019	1,180	Good
Ia 187 over US 20	1970	1,170	Fair
FM over Harter CR	1963	1,169	Fair
Water St over Wapsipinicon River	2013	1,169	Good
3RD St NE over Melone Creek	1969	1,149	Fair
Hayes St over Otter Creek	2015	1,119	Good
120TH St over Hunter Creek	2000	1,100	Good
FM over Little Spring Creek	1987	1,090	Fair
330TH St over Lime Creek	1951	992	Fair
FM over Small Stream	1968	982	Fair
FM over Stream	1968	982	Fair
FM over Stream	1965	982	Fair
W45 Slater Ave over Buffalo Creek	2002	982	Good
FM V-65 over I-380	1984	864	Good
FM over Harter Creek	1964	825	Fair
D16 Otterville over Small Stream	2019	805	Good
FM over Otter Creek	2001	805	Fair
FM over Small Stream	1952	790	Poor
FM over Br Buffalo Creek	1962	776	Poor
FM over Pine Creek	1991	776	Fair
Quasqueton Blvd over Small Stream	2014	776	Good
W 35 over US 20	1978	776	Fair
220TH St over Drainage Ditch	1927	760	Poor
D22 200TH St over Buffalo Creek	2018	760	Good
FM W45 over Dry Creek	1974	730	Fair
FM over Ovflw Wapsipinicon Rvr	1968	687	Fair
FM over Wapsipinicon River	1968	687	Fair
FM over Stream	1972	658	Fair
330TH St over Bear Creek	1951	648	Poor
FM over Small Stream	1970	599	Fair
FM over Small Stream	1970	599	Fair
FM V-71 over I 380	1983	520	Good
V71 over US 20	1980	520	Good
Washington St over Drainage	1959	509	Fair
FM W-45 over US 20	1978	471	Fair
FM over Buffalo Creek	2004	432	Good
FM over Small Stream	1965	422	Fair
FM over W Br Buffalo CR	2003	373	Good
FM 290 St. over Bear Creek	2004	350	Good
FM 290TH St over Lime Creek	2004	350	Good
FM 155TH St. over Small Stream	2004	344	Good
FM over W Br Buffalo Creek	1974	344	Fair
FM over W Br Pine Creek	1977	344	Fair
FM over W Br Buffalo Creek	2004	334	Good
FM over W Br Buffalo Creek	1974	334	Fair
FM over Smith Creek	2003	324	Fair
FM Laporte Rd over Mud Creek	1967	320	Fair
Local over Otter Creek	1997	295	Fair
FM over Malone Creek	1969	285	Fair
FM 280TH St. over Spring Creek	1952	246	Fair
Jackson St. over Stream	1984	232	Fair
Concord St over Drainage	1900	220	Poor
FM over Wapsipinicon River	1999	216	Good
2ND St NE over Melone Creek	1985	208	Fair
Local Dugan Ave over Lime CR	1952	200	Fair
FM over Buffalo Creek	2003	196	Good
Local 265TH St over Bear CR	1962	190	Fair
Henley Ave over US 20	1980	187	Good
FM over Bear Creek	2006	177	Good
FM over Buffalo Creek	1955	167	Fair
FM over Small Stream	1966	167	Fair
Loc Keokuk Ave over Small Stream	1976	154	Fair
FM 140TH St over Small Stream	1958	147	Fair
FM over Stream	1951	147	Fair
FM 145TH St over Little Wapsipinicon	1965	137	Fair
FM Vincent Av over Small Stream	1955	137	Fair
Carter Ave over Small Stream	2004	135	Good
Loc 150TH St over Hunter CR	2006	135	Good
Loc 150TH St over Otter CR	1953	130	Poor
Nolan Ave over Wapsipinicon River	1996	130	Good
Loc 100TH St over Stream	1995	128	Fair
Local Rd over Buffalo Creek	1980	123	Fair
Pine Creek Ave over Small Stream	1957	120	Fair
FM 140TH St over Otter Creek	1968	118	Fair
FM Stewart Av over Small Stream	1963	118	Fair
FM Stewart Av over Small Stream	1963	118	Fair
FM over W Br Buffalo Creek	1957	118	Fair
Dillon Ave over Small Stream	2015	113	Good
FM 310TH St over Dry Creek	1956	110	Fair
FM Stewart Av over Small Creek	1963	110	Fair
FM 140TH St over Hunter Creek	1968	108	Fair
165TH St over Small Creek	1900	104	Fair
Loc Grant Ave over Small Stream	1973	104	Good
FM 250TH St over Small Stream	1957	100	Fair
FM 150TH St over Buffalo Creek	1985	98	Fair
FM Quonset Ave over W Br Buffalo Ck	1979	98	Fair
FM W-17 over I-380	1984	98	Good
Local 250TH St over Small Stream	2010	98	Good
Local Union Ave over Dry Creek	1997	98	Good
Loc Central Ave over Small Stream	1967	91	Fair
Loc Grant Ave over Small Stream	2005	91	Good
235TH St over Small Stream	2016	90	Good
Local 250TH St over Small Creek	1957	90	Fair
FM over Buck Creek	1965	88	Fair
FM over Buffalo Creek	1962	88	Fair
FM over Malone Creek	2003	88	Fair
Washington Ave over S Fork Maquoketa River	2005	88	Good
Deacon Ave over Small Stream	2015	82	Good
Local 240TH St over Small Stream	1979	82	Fair
FM 140TH St over Small Stream	1958	80	Fair
FM over Lime Creek	1954	80	Fair
Local 250TH St over Pine CR	2004	80	Fair
Local 335TH St. over Small Stream	1998	80	Fair
Parrish Ave over Pine CR	1960	80	Poor
Coots Blvd over Small Creek	2015	79	Good
FM over Small Stream	1957	79	Poor
Iowa Ave over Small Stream	2004	79	Good
Loc 100TH St over W Branch Buffalo Ck	1979	79	Fair
252ND St over Bear Creek	2000	73	Good
Danial Ave over Mud CR	1989	73	Fair
Loc 110TH St over Hunter CR	1963	73	Fair
Loc 110TH St over Small Stream	1963	73	Fair
Loc Harrison Av over Small Stream	1959	73	Fair
Local over Small Stream	1969	73	Fair
Local over Small Stream	2005	73	Good
Ringold Ave over Drainage	2015	73	Good
River Rd Blvd over Small Stream	2000	73	Good
FM 250TH St over Buffalo Creek	1994	70	Fair
Local 240TH St over Buffalo Creek	1986	70	Fair
Local 270TH St over Smith CR	2004	70	Good
170TH St over Small Stream	2023	69	Good
FM 250TH St over Lime Creek	1989	69	Good
FM York Ave over Small Stream	2008	69	Good
Postel Ave over Small Stream	2011	69	Fair
York Ave over Small Stream	2017	69	Good
York Ave over US 20	1970	69	Fair
185TH St over Small Stream	2018	62	Good
330TH St over Dry Creek	2007	62	Fair
Carter Ave over Small Stream	1952	62	Fair
Indiana Ave over Otter CR	2010	62	Fair
King Ave over Small Stream	2013	62	Good
Local King Ave over Small Stream	1970	62	Fair
Local over West Branch of Pine Crk	1988	62	Fair
150TH St over Small Stream	2018	60	Good
FM Gabrial Av over Lime Creek	1976	60	Good
Hamilton Ave over Bear CR	2006	60	Good
Local 260TH St over Buffalo Creek	1949	60	Fair
Local 310TH St over Lime CR	1957	60	Fair
Local 310TH St. over Small Creek	1963	60	Fair
Quinset Ave over Sand Creek	1958	60	Fair
FM 155TH St over Pine Creek	1969	59	Fair
FM Thomas Ave over Dry Creek	1989	59	Good
FM over Prarie Creek	2007	59	Good
FM over Small Stream	2007	59	Good
FM over Small Stream	1970	59	Fair
Local 230TH St over Pine CR	2007	59	Fair
Overland Ave over Drainage	2015	59	Good
Thomas Ave over Small Stream	2021	59	Good
Thomas Ave over Small Stream	2014	59	Good
228TH St over Small Stream	2012	51	Good
280TH St over Buffalo Creek	2004	51	Fair
310TH Street over Stream	2005	51	Fair
Local Scott over Smith CR	1989	51	Good
Local over Buffalo Creek	1998	51	Fair
Local over Little Wapsipinicon Rvr	1966	51	Fair
Local over Small Stream	2010	51	Good
Quonset Ave over Drainage	2015	51	Good
Scott Blvd over Small Stream	2014	51	Good
130TH St over Small Stream	2016	50	Good
Scott Blvd over Small Stream	2022	50	Good
FM 115TH St over Small Stream	2005	49	Good
Keokuk Ave over Malone CR	2004	49	Fair
Local over S Fork Maquoketa River	1997	49	Good
142ND St over W Branch Buffalo CR	2011	47	Fair
208TH Street over Small Stream	1992	47	Good
Loc 110TH St over Otter CR	1963	47	Fair
Local 170TH St. over Pine Creek	2009	47	Fair
Local over Small Stream	2006	47	Good
310TH St over Small Stream	2019	45	Good
170TH St over Prairie Creek	2014	44	Good
FM over Drainage Ditch	1955	44	Fair
FM over S Fk Maquoketa River	1990	44	Good
Lee Avenue over Small Stream	2000	44	Good
Loc 100TH St over Stream	1940	44	Fair
Loc 100TH St over Stream	1995	44	Good
Victor Ave over Prairie Creek	2014	42	Good
250TH St over Unnamed Creek	2010	41	Fair
300TH St over Dry Creek	2014	41	Good
FM Lawrence Ave over Small Stream	1953	41	Fair
Local 260TH St over Lime CR	1986	41	Poor
Local 330TH St over Walton Creek	2006	41	Fair
Michel Ave over Small Stream	2023	41	Good
Victor Ave over S Fork Maquoketa River	2016	41	Good
FM Stewart Av over Smith Creek	1958	40	Fair
Kentucky Ave over Small Stream	2012	40	Good
Loc 100TH St over Buffalo CR	1940	40	Fair
Loc Kentucky Av over Small Stream	2002	40	Fair
Local Frost Ave over Small Stream	1976	39	Fair
Local over Small Stream	2005	39	Fair
FM 310TH St. over Sand Creek	1995	35	Good
Iowa Ave over Small Stream	1957	35	Fair
Loc Taylor Ave over Buffalo CR	1951	35	Poor
Local over Small Stream	1940	35	Fair
Localiowa Ave over Bear CR	1953	35	Fair
FM over Pine Creek	1960	34	Fair
FM over Small Stream	1960	34	Fair
FM over Stream	1999	34	Good
Loc 150TH St over Small Creek	2004	34	Good
Local 240TH St over Lime CR	1967	34	Fair
175TH Ave over Small Stream	1995	33	Fair
Local over Small Stream	1995	33	Good
270TH St over Lime Creek	2015	30	Fair
320TH St over Drainage	2005	30	Fair
Butler Ave over Small Stream	2006	30	Good
Loc Union Ave over Small Stream	1955	30	Fair
Local 325TH St over Mud CR	1953	30	Poor
Local over Buffalo Creek	2005	30	Fair
Local over Prairie CR	1953	30	Fair
Local over Small Stream	1951	30	Poor
Nolan Ave over Sand Creek	2012	30	Fair
Nolan Ave over Small Stream	1963	30	Fair
Overland Ave over Small Stream	2020	30	Good
Pine Creek Ave over Small Stream	2012	30	Poor
240TH St over Small Stream	2016	29	Good
Loc 108TH St over Small Stream	1987	29	Good
Quonset Ave over Buffalo Creek	2000	29	Good
105TH St over Otter Creek	2000	26	Good
215TH St over Small Stream	2016	26	Good
305TH St over Bear Creek	2017	26	Good
Local 320TH St. over Small Stream	1999	26	Good
Local over Spring CR	2005	26	Good
112TH St over Buck Creek	2001	25	Fair
275TH St over Small Stream	2011	25	Good
275TH St over Small Stream	2011	25	Good
Local 275TH St over Smith CR	2002	25	Fair
Local 275TH St over Spring CR	2010	25	Good
Michel Ave over Small Creek	2011	25	Good
195TH St over Malone Creek	2023	21	Good
Freeman Ave over Small Stream	1950	21	Poor
Local 190TH St over Malone CR	2004	21	Good
Local Frost Ave over Small Stream	2003	21	Good
280TH St over Small Stream	2020	20	Good
Local 180TH St. over Prairie Creek	1997	20	Fair
Local 265TH St over Spring Creek	1959	20	Fair
Overland Ave over Sand Creek	1995	20	Good
Overland Ave over Small Stream	2020	20	Good
Vincent Ave over Dry Creek	1940	20	Fair
Loc Quinn Ave over Buffalo CR East Branch	2010	16	Good
Local 305TH St. over Lime CR	1910	16	Poor
Local over Prairie CR	1953	16	Fair
130TH St over Hunter Creek	2016	15	Good
136TH St over Buffalo CR	2008	15	Good
200TH St over Small Stream	2015	15	Good
270TH St over Small Stream	2021	15	Good
Local 240TH St over Pine CR	1961	15	Fair
Local 280TH St. over Small Stream	2010	15	Good
Local over Small Stream	1951	15	Poor
Local over Small Stream	2005	15	Good
Washington Ave over Small Creek	2013	15	Good
180TH St over Malone Creek	2004	11	Good
288TH Street over Small Stream	2000	11	Good
Danial Ave over Spring CR	1956	11	Fair
Dead End 115 St over Small Stream	1968	11	Fair
Loc Finley Ave over Lime CR	1925	11	Poor
Loc Union Ave over Small Stream	1988	11	Good
Local 255TH St over Small Stream	2006	11	Fair
Local 295TH St. over Small Stream	2004	11	Good
Postel Avenue over Creek	2005	10	Good
Vincent Ave over Dry Creek	1960	10	Fair
Local 290TH St over Dry Creek	2003	5	Fair

Source: FHWA National Bridge Inventory, 2025.

Buchanan County bridge conditions · Iowa bridges by county.

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