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Every bridge in Clinton County, Iowa

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

375 inventoried bridges, busiest first

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

Clinton County, Iowa, has 375 bridges in the 2025 National Bridge Inventory: 261 rated good, 102 fair, and 12 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
US 61 over Dd #15	1981	17,600	Good
US 30 & 67 over Mill Creek	2000	17,300	Fair
US 30 & US 67 over over UPRR	2000	17,200	Good
US 67 over over UP RR	1978	11,200	Fair
US 30 over Mississippi Rvr RR S 2ND	1956	11,100	Fair
Ia 136 over Mississippi River & RR	1974	11,000	Fair
US 61 over Stream	1996	10,600	Good
US 61 over Stream	1996	9,800	Good
US 61 over Stream	1996	9,600	Good
US 30 over Drainage Ditch	1974	9,400	Fair
W 11TH St over Silver Creek	1990	8,900	Good
Mfr Drive over Harts Mill Creek	1993	8,800	Good
Mfr Drive over Mill Creek	1992	8,800	Good
NB US 61 over Wapsipinicon Overflow	1981	8,800	Fair
SB US 61 over Wapsipinicon Overflow	1981	8,800	Fair
EB US 30 over Silver Ck & UP RR	1970	8,550	Fair
WB US 30 over Silver Ck & UP RR	1970	8,550	Fair
Mill CR. Expwy. over Harts Mill Creek	2000	8,400	Fair
Mill CR. Expwy. over Mill Creek	2000	7,619	Fair
NB US 61 over Silver Creek	1981	7,050	Good
SB US 61 over Silver Creek	1981	7,050	Good
NB US 61 over US 30 & W.11TH St	1970	6,950	Fair
NB US 61 over 225TH Street	1974	6,350	Fair
NB US 61 over Silver Creek	1974	6,350	Fair
SB US 61 over 225TH Street	1974	6,350	Fair
SB US 61 over Silver Creek	1974	6,350	Fair
SB US 61 over US 30 & W 11TH St	1970	5,950	Fair
Ia 136 over Car Barn Creek	2016	5,200	Good
US 67 over Wapsipinicon Overflow	1982	5,100	Fair
US 67 over Wapsipinicon Overflow	1983	5,100	Fair
EB US 30 over Brophys Creek	1969	5,000	Fair
WB US 30 over Brophys Creek	1978	5,000	Fair
US 30 over Pascals Creek	1976	4,810	Good
EB US 30 over Ames Creek	1974	4,700	Fair
US 30 EB over UP RR	1974	4,700	Fair
WB US 30 over Ames Creek	1974	4,700	Fair
NB US 61 over Drainage	1996	4,600	Good
NB US 61 over Silver Creek	1996	4,600	Good
SB US 61 over Drainage	1996	4,600	Good
SB US 61 over Silver Creek	1996	4,600	Good
US 30 WB over UP RR	1974	4,500	Fair
NB US 61 over Deep Creek	1996	4,400	Good
SB US 61 over Deep Creek	1996	4,400	Good
NB US 61 over Ia 136	1995	4,350	Good
SB US 61 over Ia 136	1995	4,350	Good
US 67 over Sodus Creek	1982	3,790	Good
US 67 over Rock Creek	1982	3,710	Good
EB US 30 over S 6TH Ave	1970	3,650	Fair
WB US 30 over S 6TH Ave	1970	3,650	Fair
US 30 over Drainage Ditch	2006	3,500	Good
US 30 over Calamus Drainage Ditch	1955	3,430	Fair
US 30 over E Chan Wapsipinicon Rvr	1955	3,430	Fair
US 30 over Wapsipinicon River	1955	3,430	Fair
US 30 over US 30 & US 61	1975	3,200	Fair
US 30 over Wapsipinicon River	1955	2,550	Fair
US 30 over over UP RR	1955	2,550	Fair
US 30 over Yankee Run Creek	1954	2,540	Fair
US 67 over Deer Creek	1977	2,220	Good
US 67 over Shadducks Creek	1967	2,170	Fair
US 67 over Shadducks Creek	1977	2,170	Good
245TH St over Ames Creek	1988	1,930	Good
Co Rd Z 36 over US 30	1969	1,660	Good
362ND Avenue over Simmons Creek	1964	1,610	Fair
S 19TH St over Drainage	1978	1,596	Fair
Co Rd-s 14TH over over UP RR	1957	1,550	Fair
US 67 over Elk River	2002	1,490	Good
Ia 136 over Mill Creek	1989	1,430	Fair
Harts Mill Rd over Mill Creek	1970	1,410	Poor
Elvira Rd over Mill Creek	1962	1,360	Poor
220TH Street over Creek	1962	1,310	Good
FM over Harts Mill Creek	1962	1,310	Good
Z36 380TH Ave over Small Stream	2018	1,300	Good
425TH Ave over Creek	1970	1,241	Good
Ia 136 over Drainage Ditch	1952	1,230	Fair
Ia 136 over Elwood Creek	1952	1,230	Fair
N. 2ND St. over Stream	1975	1,223	Fair
290TH Ave over Ames Creek	1971	1,220	Poor
Ia 136 over Union Creek	1995	1,150	Fair
Old US 61 over Small Natural Stream	1960	1,074	Fair
130TH Ave over West Rock Creek	2005	1,060	Good
Y4E 130TH Ave over Overflow Structure	2014	1,060	Good
Ia 136 over Drainage Ditch	1978	1,050	Fair
220TH Street over Brophy Creek	1964	1,010	Fair
220TH Street over Cherry Creek	1989	1,010	Good
220TH Street over Creek	1960	1,010	Fair
Ia 136 over E Trib to Elwood Creek	1929	1,000	Fair
Ia 136 over Elwood Creek	1952	1,000	Fair
Ia 136 over W Trib to Elwood Creek	1952	1,000	Fair
432ND Ave. over Spring Creek	1971	970	Good
250TH Avenue over Creek	1958	950	Good
250TH Avenue over Deep Creek	1968	950	Fair
Stockwell Ln over Small Stream	1994	887	Good
400TH Avenue over Creek	1953	880	Good
140TH Street over Creek	1961	860	Good
140TH Street over Spring Creek	1963	860	Fair
E-50 (140TH St) over So Branch Elk River	1979	860	Good
185TH Avenue over Prairie Creek	1973	840	Fair
Ia 136 over Deep Creek	1976	840	Fair
190TH Street over Silver Creek West	1968	800	Fair
432ND Avenue over Spring Creek	1969	780	Good
252ND St over Silver Creek	1971	760	Fair
Co Rd Y 62 over US 30	1975	760	Fair
Pershing Blvd over Stream	1975	754	Fair
210TH Avenue over Drainage Ditch 5	1965	750	Fair
Y-44 over Calamus Creek	2011	730	Good
190TH Street over Creek	1961	710	Good
2ND Ave Rd over Mill Creek	2006	680	Good
302ND Avenue over Small Stream	2005	660	Good
262ND St over Ames Creek	2003	580	Good
Ia 136 over Deep Creek	1989	580	Fair
260TH Ave over Clear Creek	1995	570	Fair
Broadway St over Deep Creek	2004	570	Good
140TH Ave over Drainage Ditch	2003	550	Good
215TH Street over Creek	1964	550	Good
300TH Avenue over Ames Creek	2004	536	Good
235TH Street over Overflow of Wapsipinicon	2008	510	Good
190TH Street over Creek	1949	490	Good
190TH Street over Drainage	1958	490	Good
190TH Street over Small Stream	1992	490	Good
260TH Ave over Small Stream	2009	490	Good
Y 44 170TH Ave over Small Stream	2013	470	Good
Y44 (170TH Ave) over Drainage Ditch 20	2012	470	Good
130TH Ave over Small Stream	1987	460	Good
350TH Ave over Brophy Creek	1964	460	Fair
350TH Ave over Small Stream	1998	460	Good
330TH Ave. over Small	1979	450	Good
Second Ave Rd over Little Mill Creek	1935	450	Poor
Second Ave Rd over Small Stream	1925	450	Fair
190TH St over Small Stream	1992	420	Good
230TH Avenue over Barber Creek	2010	410	Good
44TH Ave over Rock Creek	1985	370	Poor
230TH Ave over Negro Creek	1987	360	Good
N.east St. over Creek	1960	360	Fair
Y54 (230TH Ave) over Small Creek	2013	360	Good
118TH Avenue over Wapsipinicon River	1963	350	Fair
180 St over Drainage Ditch	2000	350	Good
320TH Ave over Small	1978	350	Fair
Lincolnway over Drainage Ditch	1993	340	Good
9TH St over Drainage	2011	327	Good
190TH Street over Drainage Ditch 12	1967	320	Fair
E-63 over Drainage Ditch 11	2007	320	Good
212TH St over West Silver Creek	2003	310	Good
432ND Avenue over Elk River	1968	310	Poor
185TH Ave over Small Stream	1981	260	Good
185TH Avenue over Elwood Creek	1981	260	Good
291ST over Sodus Creek	2004	240	Good
270TH St over Silver Creek	2009	220	Good
225TH Street over Silver Creek	1997	200	Good
Main St Old US 61 over Silver Creek	1926	200	Good
So 30TH St over Harts Mill Creek	1978	180	Fair
278TH St over Drainage	1996	170	Fair
FM over US 61	1984	170	Fair
420TH Ave. over Mill Creek	2021	166	Good
W Deer Ck Rd over Drainage	2017	165	Good
115TH Street over Elk River	1990	150	Good
S 54TH St over Rock Creek	1991	150	Good
260TH Ave over Creek	2019	135	Good
158TH Ave over Creek	2003	130	Good
210TH St. over Ames Creek	2011	123	Good
262ND St over West Silver Creek	1952	123	Good
115TH St. over Elk River	1992	120	Good
105TH St. over Deep Creek	1986	113	Good
110TH St over Creek	2011	113	Good
190TH St. over Brophys Creek	1983	113	Good
210TH Ave over Creek	1995	113	Good
Co Rd over Harts Mill Creek	1983	110	Fair
E 44 460TH Ave over Creek	2022	110	Good
E63 190TH St over Plum Creek	2020	110	Good
28TH Ave North over Turtle Creek	2019	109	Good
120TH St. over Baird Creek	2008	104	Good
120TH St. over Deep Creek	2003	104	Good
190TH Ave over Calamus Creek	1996	104	Good
200TH Ave over Small	2023	104	Good
Hart Mill Rd over Harts Mill Creek	1988	102	Fair
125TH Street over Deep Creek	1977	100	Good
235TH Street over Branch of Wapsipinicon	1930	100	Poor
235TH Street over Wapsipinicon River	1930	100	Poor
F21 270TH St over Barber Creek	2022	100	Good
155TH St over Silver Creek	2012	91	Good
420TH Ave. over Creek	1991	91	Fair
110TH St over Prairie Creek	2019	90	Good
110TH St. over Prairie Creek	1965	90	Good
110TH St. over Prairie Creek	1975	90	Fair
110TH St. over Elwood Creek	1971	82	Good
145TH Ave over Creek	2001	82	Good
230TH St over Creek	1952	82	Fair
235TH Street over Cherry Creek	2007	82	Good
250TH Street over Lizard Creek	2004	82	Good
280TH Ave over Creek	2016	82	Good
280TH St over Creek	2020	82	Good
340TH Avenue over Brophy Creek	1984	82	Good
372ND Avenue over Creek	2021	82	Good
460TH Ave. over Elk River	1986	82	Good
150TH St. over Stream	1991	80	Good
350TH Ave over Cherry Creek	2006	80	Good
400TH Ave. over South Branch Elk River	1989	80	Fair
Seven Day Rd over Silver Creek(west)	2017	80	Good
100TH St over Elk River	2023	78	Good
100TH St. over Union Creek	1900	78	Poor
Local Co.line over Small Stream	1993	78	Fair
104TH Ave over Lizard Creek	1994	73	Good
105TH Ave over Yankee Run CR	1971	73	Good
110TH St over US 61	1996	73	Good
110TH St. over Union Creek	1992	73	Good
130TH Street over Stream	1962	73	Good
240TH St over Yankee Run Creek	1969	73	Good
340TH Ave. over Small Stream	1990	73	Good
432ND Avenue over N Branch of Elk River	1998	73	Good
F64 197TH St over Cherry Creek	2023	73	Good
170TH St. over Brophy Creek	1971	70	Good
210TH St. over Stream	1958	70	Good
210TH St. over Stream	1957	70	Good
290TH Ave over Deep Creek	2009	70	Good
290TH Ave. over Small Stream	2003	70	Good
308TH Ave over Ames Creek	1979	70	Good
308TH Ave over Sugar Creek	2024	70	Good
308TH Ave. over Sugar Creek	1985	70	Poor
120TH Street over Simmons Creek	1993	62	Good
130TH Ave. over Small Stream	1987	62	Good
148TH St. over Creek	2011	62	Good
150TH St over Creek	2007	62	Good
165TH Street over Silver Creek (west)	2006	62	Good
220TH Ave over Creek	2020	62	Good
262ND Ave over Creek	2017	62	Good
345TH Avenue over Creek	2010	62	Good
390TH Ave over Stream	1958	62	Good
410TH Ave over South Branch Elk River	2023	62	Good
445TH Avenye over Elk River	2005	62	Good
200TH Ave over Dd	2017	60	Good
200TH Ave over Drainage Ditch #10	1984	60	Fair
100TH St. over N Branch of Elk River	1996	59	Good
110TH St. over Creek	1921	51	Fair
120TH Avenue over Dd #23	2002	51	Good
120TH St over Creek	2018	51	Good
160TH St over Dd No 11	2022	51	Good
195TH St over Mill Creek	2017	51	Good
200TH St over Small Stream	1976	51	Good
205TH Street over Creek	2005	51	Good
215TH Ave over Creek	1992	51	Good
270TH Avenue over Small Stream	1992	51	Good
280TH Ave over Deep Creek	1975	51	Fair
300TH Ave over Creek	2020	51	Good
352ND Ave. over Brophy Creek	1996	51	Good
360TH Ave. over Creek	1994	51	Good
390TH Ave. over Stream	1959	51	Good
118TH St. over Rat Run Creek	2010	47	Good
135TH St. over Spring Creek	1990	47	Good
140TH Street over Creek	1988	47	Good
190TH St. over Drainage Ditch #11	1976	47	Good
260TH Ave. over Deep Creek	1984	47	Good
290TH Ave over Sugar Creek	1987	45	Fair
Z40 400TH Ave over South Branch Elk River	2016	45	Good
110TH St. over Creek	1995	41	Good
125TH St. over Elk River	2005	41	Good
135TH St. over Elk River	1986	41	Fair
160 St over Brophy Creek	2000	41	Good
160TH Ave over Drainage Ditch #12	1980	41	Good
160TH St. over Brophy Creek	1990	41	Good
210TH St over Creek	2010	41	Good
223RD Ave over Small Creek	2022	41	Good
230TH St over Brophys Creek	1985	41	Good
247TH Ave over Barber Creek	2023	41	Good
278TH St over Barber Creek	2017	41	Good
145TH St over Small Creek	2005	40	Good
400TH Ave. over Creek	1958	40	Fair
8TH St NW over Drainage	1994	38	Good
135TH Street over Small Stream	2024	37	Good
120TH Ave over Creek	2022	35	Good
135TH Street over S Branch of Elk River	1965	35	Good
150TH Avenue over Creek	2013	35	Good
160TH St. over Dd #12	1979	35	Fair
170TH Ave. over Drainage Ditch 12	1962	35	Good
170TH Ave. over Small Stream	1992	35	Good
205TH St over Creek	2019	35	Good
205TH St. over Stream	1981	35	Good
220TH Ave over Deep Creek	2013	35	Good
230TH St over Creek	1990	35	Good
250TH Ave over Clear Creek	2022	35	Good
260TH St over Brophys Creek	1985	35	Good
260TH St over Creek	1940	35	Good
340TH Avenue over Creek	1965	35	Fair
410TH Ave. over Creek	2001	35	Good
265TH Ave over Sugar Creek	2018	33	Good
265TH Ave. over Small Stream	1994	33	Good
100TH Avenue over Plum Creek	2002	30	Good
120TH Street over Stream	1959	30	Good
160TH St over Drainage	2020	30	Good
160TH Street over Dd #23	2016	30	Good
180TH St over Drainage	2007	30	Good
180TH Street over Waterway	2007	30	Good
190TH St. over Mill Creek	1990	30	Good
200TH St. over Brophys Creek	1983	30	Good
230TH Avenue over Deep Creek	2004	30	Good
230TH St over Calamus Creek	2023	30	Good
240TH Ave over No Name Creek	1970	30	Good
270TH Ave over Deep Creek	1966	30	Good
270TH Ave over Small Stream	2017	30	Good
270TH St over Brophy Creek	1993	30	Good
280TH St over Small Stream	1993	30	Good
340TH Ave over Cherry CR	2019	30	Good
340TH Avenue over Cherry Creek	1998	30	Good
Old US 61 over Deep Creek	1926	30	Good
100TH St. over Creek	1959	29	Fair
102ND Ave over Creek	1991	26	Good
102ND Ave over Small Stream	2000	26	Good
110TH St. over Scrambling Creek	1974	26	Good
175TH St. over Small Stream	1992	26	Good
180TH Ave. over Creek	1989	26	Good
185TH Ave over Small Stream	1994	26	Good
185TH Avenue over Drainage Ditch #10	2006	26	Good
185TH St over Creek	2010	26	Good
190TH St. over Small Stream	1976	26	Fair
195TH St over Creek	2009	26	Good
195TH St over Silver Creek (west)	1917	26	Good
197TH St over Small	1980	26	Good
215 Ave over Deep Creek	2000	26	Fair
215TH St over Drainage Ditch 11	1988	26	Fair
225TH St. over Small Stream	1994	26	Fair
235TH Ave over Deep Creek	1965	26	Good
275TH Ave over Sugar Creek	2016	26	Good
278TH St over Rock Creek	2015	26	Good
320TH Ave over Creek	2021	26	Good
372ND Ave over Simmons Creek	2002	26	Good
425TH Avenue over Elk River	1991	26	Fair
130TH St over Creek	2022	25	Good
130TH St. over Small	1993	25	Good
145TH St over Small Stream	2005	25	Good
160TH St over South Branch Elk River	2021	25	Good
210TH St. over Brophy Creek	1977	25	Good
210TH St. over Creek	1984	25	Good
280TH St over Creek	2001	25	Good
280TH Street over Creek	2004	25	Good
367TH Ave over Small Stream	1998	25	Good
120TH Ave. over Creek	1920	21	Fair
120TH Ave. over Small	1989	21	Fair
120TH St over Simmons Creek	2005	21	Good
120TH St. over Simmons Creek	1997	21	Good
125TH Street over Elk River	2018	21	Good
135TH St. over Deep CR	1974	21	Fair
140TH St. over Creek	1967	21	Fair
150TH St. over Drainage	1970	21	Good
160TH St over Stream	1962	21	Fair
160TH St over Stream	1962	21	Good
160TH St over Williams Creek	2018	21	Good
170TH St. over Drainage	1987	21	Fair
170TH St. over Drainage	1991	21	Good
200TH Avenue over Creek	1993	21	Good
237TH Ave over Creek	2009	21	Good
255TH St over Barber Creek	1991	21	Fair
270TH Street over Small Stream	2018	21	Good
410TH Ave. over Harts Mill Creek	1995	21	Good
E Deer Ck Rd over Deer Creek	2001	20	Good
130TH St over Creek	1970	16	Fair
150TH St over Deep Creek	2024	16	Good
150TH St. over Deep Creek	2005	16	Good
175TH St over Drainage Ditch #12	1980	16	Fair
300TH Ave over Ames Creek	1912	16	Poor
335TH Ave over Baird Creek	1997	16	Good
150TH St. over Spring Creek	1976	15	Good
100TH Street over Prairie Creek	2006	11	Good
105TH St. over Rat Run Creek	1986	11	Fair
125TH St. over Elk River	2001	11	Good
200TH St over Dd #11	2004	11	Good
208 Ave over Deep Creek	2000	11	Good
250TH Ave over Black Creek	1985	11	Fair
255TH Ave over Creek	2023	11	Good
260TH St over Small Stream	2006	11	Good
320TH Ave over Sugar Creek	2003	11	Good
370TH Ave over Brophy Creek	1999	11	Good
370TH Ave over Creek	2017	11	Good
463RD Avenue over Creek	2024	11	Good
E55 148TH St over Small Stream	2024	11	Good
Local over Creek	1995	11	Good
130TH Avenue over Yankee Run Creek	1968	10	Poor
415TH Ave. over Branch of Elk River	1996	5	Good

Source: FHWA National Bridge Inventory, 2025.

Clinton County bridge conditions · Iowa bridges by county.

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