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Every bridge in Cerro Gordo County, Iowa

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

268 inventoried bridges, busiest first

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

Cerro Gordo County, Iowa, has 268 bridges in the 2025 National Bridge Inventory: 119 rated good, 135 fair, and 14 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-35 over Calmus Creek	1970	21,400	Fair
Ia 122 over Cheslea Creek	2010	18,800	Good
I-35 over Drainage Ditch	1972	18,100	Good
I-35 over Drainage Ditch	1972	17,700	Fair
I 35 over Drainage Ditch	1972	17,600	Fair
I-35 over Drainage Ditch	1971	17,600	Fair
I-35 over Willow Creek	1971	17,200	Fair
US 18 over Willow Creek	1952	14,400	Fair
NB I-35 over over Imrl RR	1970	11,100	Fair
I 35 SB over Main St	1970	10,800	Fair
SB I-35 over Imrl RR	1970	10,800	Good
NB I-35 over Co Rd (b-35)	1972	10,750	Fair
NB I-35 over Winnebago River	1970	10,700	Good
I 35 SB over B 35 (240TH St)	1972	10,500	Good
SB I-35 over Winnebago River	1971	10,500	Fair
12TH St NW over UP RR	2005	10,174	Fair
NB I 35 over Main St	1970	9,800	Good
NB I-35 over 4TH Ave S	1970	9,800	Fair
SB I-35 over 4TH Ave S	1970	9,550	Fair
19TH St SW over Cheslea Creek	1931	9,148	Fair
13TH St NE over Winnebago River	1938	9,091	Fair
I 35 NB over 190TH St	1972	9,050	Fair
NB I-35 over Beaver Dam Creek	1972	9,050	Good
NB I-35 over Cerro Gordo County Trail	1972	9,000	Fair
SB I-35 over 190TH St	1972	8,900	Good
SB I-35 over Beaver Dam Creek	1972	8,900	Fair
SB I-35 over Cerro Gordo County Trail	1972	8,850	Fair
NB I-35 over Bailey Creek	1971	8,800	Fair
SB I 35 over Bailey Creek	1971	8,650	Fair
I 35 NB over US 18	1971	8,600	Fair
SB I-35 over US 18	1971	8,400	Fair
US 18 over Crane Creek	1998	8,300	Good
12TH St NW over Willow Creek	2019	8,292	Good
S Monroe Ave over Willow Creek	1963	7,094	Fair
1ST St NW over Willow Creek	1978	7,043	Fair
Ia 122 EB over Willow Creek	1933	6,850	Fair
Ia 122 WB over Willow Creek	1970	6,850	Fair
Ia 122 over Winnebago River	1984	6,800	Good
19TH Street SW over UP RR & Armory Rd	2008	6,588	Good
US 65 over Calamus Creek	1970	6,000	Fair
E State St over Willow Creek	1920	5,897	Fair
US 65 over US 18	1996	5,800	Good
US 18 EB over Little Lime Creek	1997	5,500	Good
US 18 EB over Winnebago River & Road	1998	5,500	Good
US 18 WB over Little Lime Creek	1997	5,500	Fair
US 18 WB over Winnebago River & Road	1998	5,500	Fair
EB US 18 over UPRR	1999	5,250	Good
US 18 WB over UPRR	1999	5,250	Good
B35 255TH St over Crane Creek	1977	5,106	Fair
Iowa 122 over Ideal Creek	1952	4,930	Fair
US 65 over Blake Creek	1955	4,690	Fair
US 65 over Blake Creek	1955	4,690	Fair
US 65 over Spring Creek	2009	4,690	Good
US 65 over Blair Creek	1975	4,480	Fair
US 18 EB Ia 27 SB over UPRR	1997	4,450	Good
US 18 EB over Cerro Gordo County Trail	1997	4,450	Fair
US 18 WB Ia 27 NB over UP RR	1997	4,450	Good
US 18 WB over Cerro Gordo County Trail	1997	4,450	Good
N Illinois Ave over Winnebago River	1970	3,886	Fair
N. Pierce Ave over Willow Creek	1957	3,696	Fair
N Kentucky Ave over Winnebago River	1962	3,427	Fair
Eisenhower Ave over Willow Creek	1949	3,347	Fair
NB US 65 over Winnebago River	1969	3,300	Good
Mallard over Calmus Creek	1964	3,290	Fair
SB US 65 over Winnebago River	2009	3,250	Good
6TH St SW over Cheslea Creek	1962	3,207	Fair
SB US 65 over Willow Creek	1968	3,200	Fair
S Penn Ave over Willow Creek	1981	3,087	Good
NB US 65 over Willow Creek	1970	2,950	Fair
Co Rd B30 over over Ianr RR	1955	2,750	Fair
300TH over Calmus Creek	1968	2,701	Fair
1ST St NW over Chesalea Creek	1955	2,617	Fair
15TH St SW over Cheslea Creek	1980	2,567	Fair
US 65 over E Branch Beaver Dam Crk	2020	2,490	Good
US 65 over E Branch Beaver Dam Crk	2020	2,490	Good
US 65 over E Branch Beaverdam Creek	2020	2,490	Good
Co B-20 over I-35	1970	2,318	Fair
N Carolina Ave over Winnebago River	1914	2,278	Fair
US 65 over Beaver Dam Creek	1932	2,230	Fair
US 65 over E Branch Beaver Dam Crk	2021	2,230	Good
US 65 over West Fork Cedar River	1957	2,230	Fair
12TH St NE over Ideal Creek	2023	2,128	Good
Thrush over Winnebago River	1962	2,082	Fair
Broad St over Beaver Creek	1966	1,978	Fair
Co Rd S-56 over US 18	1998	1,895	Good
240TH over Chesalea Creek	2004	1,571	Fair
1ST St SW over Willow Creek	1966	1,512	Fair
Mallard Ave over US 18	1998	1,502	Good
Nettle Ave over Chesalea Creek	1972	1,394	Fair
Nettle over Chesalea Creek	1972	1,394	Good
US 18 EB over I-35	1998	1,310	Good
Lake St over Small Stream	1900	1,290	Fair
W Madison St over E Br Beaver Dam Creek	2014	1,280	Good
2ND St SW over Willow Creek	1965	1,097	Fair
4TH St NE over Willow Creek	1961	1,093	Good
Lark over Crane Creek	1971	1,061	Fair
Lark over Willow Creek	1970	1,061	Fair
1ST St over Drainage Ditch	2005	1,049	Good
310TH over Winnebago River	1960	992	Fair
No Shore Dr over Stream	1972	953	Fair
Spring St over Shell Rock River	1929	919	Fair
Thrush over Creek	1932	903	Fair
Grouse over Willow Creek	1968	884	Fair
N 20TH St(prop) over Willow Creek	1994	829	Fair
12TH Ave S over Clear Creek	2016	818	Good
Balsam over Winnebago River	1969	815	Fair
S25 Grouse Ave over Beaver Dam Creek	1986	815	Fair
Lark Ave over US 18	1998	786	Good
N 40TH St over Willow Creek	1970	731	Fair
S18 Eagle Ave over Willow Creek	2019	727	Good
S56 Thrush Ave over Beaver Creek	2018	697	Good
150TH over Beaver Dam Creek	1961	687	Poor
SR B-43 over I-35	1972	687	Good
1ST St over Drainage Ditch	2018	679	Good
26TH St. S.W. over Cheslea Creek	1989	644	Fair
Willowbrook Dr over Chesalea Creek	1989	644	Good
Killdeer over Calmus Creek	1981	628	Fair
US 18 WB over I-35	1998	610	Good
150TH over Cold Water Creek	1971	609	Fair
Ash St over W Br Beaver Dam Creek	2018	599	Good
B20 300TH St over Spring Creek	2016	589	Good
Lark over Beaver Dam Creek	1973	589	Fair
B-15 over Beaver Creek	1957	579	Fair
Jonquil Ave over Willow Creek	1997	577	Fair
B15 330TH St over Spring Creek	1957	570	Fair
150TH St over Unnamed Creek	2010	530	Good
Co B-60 over I-35	1972	471	Fair
S Delaware Ave over Willow Creek	2011	460	Good
330TH over Wharam Creek	1983	432	Fair
Killdeer over Winnebago River	1984	432	Fair
B43 210TH St over E Br Beaver Dam Creek	2006	412	Good
B65 Larch St over Drainage Ditch	2022	410	Good
B65 120TH St over Bailey Creek	1956	403	Poor
Co Rd B-65 over I-35	1972	363	Fair
Killdeer over Crane Creek	1973	361	Fair
300TH Court over Wharam Creek	2018	350	Good
S56 Thrush Ave over Cold Water Creek	2016	344	Good
Pheasant over E Br Beaver Dam Creek	1980	334	Good
Pheasant over E Br Beaver Dam Creek	1983	334	Good
Vine St over Rock Falls Creek	1966	324	Poor
190TH over Beaver Creek	1961	304	Fair
19TH St SE over Mason Creek	2016	281	Good
Lark over Bailey Creek	1974	275	Fair
Lark over West Fork Beaver Dam CR	1978	275	Good
Zinnia over Rock Creek	1961	265	Fair
330TH over Blair Creek	1966	236	Good
5TH St So over Old Channel Creek	2009	232	Good
I 35 SB Off Ramp over Beaver Dam Creek	1972	210	Fair
Yarrow over Cold Water Creek	2011	206	Good
330TH over Shell Rock River	2003	196	Good
Vine over Beaver Creek	1961	187	Fair
Main St over Beaver Creek	2021	167	Good
12TH St NW over Willow Creek	1964	150	Fair
Benjamin Ave over Cheslea Creek	1982	147	Fair
Jonquil Ave over West Fork Beaver Dam CR	1981	147	Fair
285TH St over Small Stream	2016	135	Good
I-35 NB Off Rmp over Beaver Dam Creek	1972	130	Fair
S Birch Dr over Stream	1928	104	Fair
275TH over Willow Creek	1941	91	Poor
340TH over Shell Rock River	2010	82	Good
Fir over Willow Creek	1918	82	Fair
Indigo over Beaver Dam Creek	1998	82	Good
Spruce Ave over Rose Creek	2014	79	Good
Dogwood over Winnebago River	2006	73	Good
170TH over E Br Beaver Dam Creek	1973	69	Fair
Jonquil over W Br Beaver Dam Creek	1955	69	Fair
Wheelerwood over Winnebago River	1933	69	Fair
130TH over Creek	1913	62	Fair
278TH over Shell Rock Creek	1965	62	Good
295TH over Shell Rock River	1985	62	Good
315TH over Rock Falls Creek	1924	62	Fair
140TH over Creek	1978	59	Good
170TH over Beaver Dam Creek	1981	59	Fair
320TH over Creek	1955	59	Fair
Jonquil over Small Creek	1981	59	Good
250TH over Winnebago River	1923	51	Fair
290TH St over Ideal Creek	2021	51	Good
295TH over Gravel Creek	2003	51	Good
320TH over Rock Falls Creek	2008	51	Good
Jonquil Ave over US 18 Reloc.	1998	51	Good
Local over Baileye Creek	1991	51	Good
130TH over Beaver Dam Creek	1959	49	Fair
130TH over E Br Beaver Dam Creek	1953	49	Fair
330 Th over Rock Falls Creek	1971	49	Good
155TH over E Branch Beaver Dam Ck	1970	47	Good
285TH over Small Stream	2003	47	Good
290TH over Shell Rock River	1998	47	Good
320TH over Spring Creek	1984	47	Good
340TH over Spring Creek	1985	47	Fair
Dove over Willow Creek	1982	47	Good
Warbler Ave over US 18	1997	47	Good
Warbler over Little Lime Creek	2001	47	Good
Hickory Ave over Calmus Creek	1917	44	Poor
Ulmus over Beaver Creek	1970	44	Good
190TH over E Br Beaver Dam Creek	1982	41	Good
340TH over Rose Creek	2002	41	Good
Apple over Winnebago Riv	1953	41	Fair
Jonquil over Calmus Creek	1974	41	Fair
Killdeer over W Fork Beaver Dam Creek	1926	41	Fair
Nettle Ave over Creek	1955	41	Good
Yarrow over Beaver Creek	1992	41	Good
150TH over Creek	1950	39	Fair
230TH St over Crane Creek	2012	39	Good
340TH over Rock Falls Creek	1924	39	Fair
B-15 over I-35	1971	39	Fair
Clay Banks over Little Lime Creek	1985	39	Good
140TH St over W Branch Beaver Dam Crk	2016	35	Good
Indigo Ave over Calmus Creek	2020	35	Good
Indigo over W Br Beaver Dam Creek	1980	35	Good
Quail Ave over Creek	1945	35	Fair
Ulmus over Creek	1967	35	Good
120TH St over Drainage Ditch	2023	34	Good
180TH St over Beaver Dam Creek	2021	34	Good
Cerro Gordo St over Small Stream	1972	34	Fair
Jonquil over Beaver Dam Creek	1978	34	Good
120TH over Bailey Creek	2011	30	Good
140TH over E Br Beaver Dam Creek	1976	30	Good
160TH St over Beaver Dam Creek	2023	30	Good
225TH St over Bad Lands Draw	2019	30	Good
250TH over Crane CR	1941	30	Fair
250TH over Little Lime Creek	1959	30	Fair
Heather over W Branch Beaver Dam Crk	2010	30	Good
Nettle over Beaver Dam Creek	1985	30	Good
Nettle over Drainage	2005	30	Fair
Nettle over E Br Beaver Dam Creek	1993	30	Fair
Wren over Winnebago River	1935	30	Fair
FM over I-35	1972	29	Good
Mallard Ave over Beaver Dam Creek	2012	29	Good
180TH over E Br Beaver Dam Creek	1965	26	Fair
190TH over Beaver Dam Creek	1972	26	Good
Cardinal over Winnebago River	1998	26	Good
E-w 7TH Ave N over Willow Creek	1900	26	Poor
Violet St over Rock Falls Creek	1900	26	Poor
Warbler over Beaver Creek	1990	26	Good
120TH over Lillibridge Creek	1979	25	Good
340TH over Small Stream	1982	25	Good
Eagle over Drainage Ditch #70	1983	25	Fair
Finch over Waterway	1965	25	Poor
200TH over Creek	1937	21	Poor
320TH St over Wharam Creek	1914	21	Fair
Apple over Galls Creek	1954	21	Fair
Fir over Beaver Dam Creek	1927	21	Poor
Lark over Wharam Creek	2005	21	Good
Mallard over W Fork Beaver Dam Creek	1944	21	Good
180TH over East Creek	1937	16	Poor
200TH over E Br Beaver Dam Creek	1965	16	Poor
Indigo over W Fork Beaver Dam Creek	1940	16	Fair
Killdeer over Beaver Dam Creek	1900	16	Poor
Vine over Cold Water Creek	1972	16	Fair
110TH over Cold Water Creek	1948	15	Fair
160TH over Beemis Creek	1978	15	Good
310TH St over Stream	2021	15	Good
Finch over Beaver Dam Creek	1962	15	Fair
Finch over Creek	1978	15	Fair
Quail over Beaver Dam Creek	1913	15	Poor
Yarrow over Little Lime Creek	1979	15	Good
105TH over Beaver Dam Creek	1959	11	Fair
110TH over W Branch Beaver Dam Crk	1960	11	Fair
120TH over Cold Water Creek	1985	11	Good
130TH over Coldwater Creek	1974	11	Fair
140TH St over Cold Water Creek	2006	11	Good
140TH over Beaver Dam Creek	1923	11	Fair
220TH over Bad Lands Draw	1978	11	Fair
Local over Cold Water Creek	2006	11	Good
Wheelerwood over Winnebago River	1952	11	Fair
130TH over W Br Beaver Dam Creek	1979	10	Fair
Ulmus over Files Ditch	1953	10	Good
200TH over Beaver Dam Creek	1918	5	Fair

Source: FHWA National Bridge Inventory, 2025.

Cerro Gordo County bridge conditions · Iowa bridges by county.

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