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Every bridge in Monona County, Iowa

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

160 inventoried bridges, busiest first

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

Monona County, Iowa, has 160 bridges in the 2025 National Bridge Inventory: 60 rated good, 59 fair, and 41 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
NB I-29 over Robinson Ditch	2011	7,800	Good
SB I-29 over Robinson Ditch	2009	7,800	Good
NB I-29 over Cleghorn Creek	2012	7,250	Good
SB I-29 over Cleghorn Creek	2011	7,250	Good
Ia 175 over Mccandlesscleghorn Ditch	2023	5,300	Good
Ia 175 over I-29	1959	4,090	Poor
Ia 141 & 175 over Maple River	1967	3,720	Poor
Ia 175 over Drainage Ditch	1964	2,160	Fair
Ia 175 over Little Sioux River	1959	2,160	Fair
Ia 141 over Simmons Creek	2014	1,920	Good
Ia 175 over Maple River	1984	1,870	Fair
Ia 175 over Blue Lake Creek	1955	1,790	Fair
Ia 175 over Missouri River	1950	1,790	Fair
Ia 141 over Mucky Creek	1977	1,500	Good
Ia 141 over Middle Soldier River	1957	1,490	Fair
Ia 175 over Drainage Ditch	1900	1,460	Good
Ia 175 over Stream	1952	1,460	Good
Ia 175 over Drainage Ditch	1973	1,220	Fair
Ia 175 over Drainage Ditch	1973	1,220	Good
Ia 175 over Drainage Ditch	1973	1,220	Good
Ia 175 over Drainage Ditch	1973	1,220	Fair
Ia 175 over Drainage Ditch	1973	1,220	Fair
Ia 175 over Maple River	1972	1,220	Fair
Ia 175 over Maple River	2022	1,220	Good
Ia 175 over Mucky Creek	1973	1,220	Fair
Ia 175 over Drainage Ditch	1973	1,160	Good
FM over Drainage Ditch	1998	1,017	Good
FM over over UP RR	2003	1,017	Good
Ia 175 over Drainage Ditch	1973	990	Good
K45 over Cleghorn Ditch	2019	976	Good
Ia 37 over East Willow River	1996	830	Good
E-24 (160TH St) over I-29	1959	788	Fair
Ia 141 over Soldier River	1951	780	Fair
Ia 37 over Beaver Creek	1942	780	Fair
Ia 37 over Jordan Creek	1979	780	Good
Local(whiting) over Mccandless Cleghorn	1997	763	Good
E16 over Rush Creek	2021	627	Good
Ia 37 over Norway Creek	1959	620	Fair
Ia 37 over Soldier River	1952	620	Fair
Ia 37 over Willow River	1959	620	Fair
FM over Dd	1959	597	Poor
FM over Diversion Ditch	1962	597	Poor
Ia 183 over Jordan Creek	1964	580	Good
Ia 183 over Natural Stream	2015	580	Good
Ia 183 over Overflow Channel	2008	580	Good
Ia 183 over Soldier River	1998	580	Fair
FM over Famers Garretson Ditch	1962	578	Poor
Ia 183 over Stream	2011	420	Good
K42 over I-29	1959	390	Fair
FM over Soldier River	1955	349	Poor
FM over Stream	1959	329	Fair
Local Rd over Cleghorn Dd	2002	319	Good
E54 over Little Sioux River	2015	289	Good
E54 over Monona-harrison Ditch	2015	289	Good
E 60 over I-29	1967	270	Fair
E 34 over Jordan Creek	2012	259	Good
FM over Haitz Dd	1961	229	Poor
FM over West Fork Dd	1961	229	Poor
FM over Jordan Creek	2000	199	Fair
FM over Willow Creek	1979	199	Poor
FM over Maple River	1957	188	Good
FM over Soldier River	1957	170	Good
L16 over Elk Creek	2020	170	Good
FM over Jordan Creek	1958	159	Poor
FM over Little Sioux River	1925	159	Poor
FM over Soldier Creek	1949	159	Poor
L16 over Beaver Creek	2020	159	Good
Tulip Ave over Upper Soldier River	2011	159	Good
235TH St over Mccandless-cleghorn	2021	150	Good
FM over Beaver CR	1974	150	Fair
FM over Cottonwood Creek	1974	150	Fair
FM over Little Sioux River	1961	150	Poor
FM over Maple River	1960	150	Poor
FM over Little Sioux River	1960	131	Poor
FM over Little Sioux River	2007	100	Good
FM over Monona Harrison Dd	1974	100	Fair
FM over I-29	1967	89	Good
Local over Stream	1973	80	Poor
E26 160TH St over Rush Creek	2021	79	Good
FM over I-29	1959	79	Fair
FM over Nagel Dd	1960	79	Poor
Local over Skinner Creek	1956	79	Fair
FM over Simmons Creek	1987	71	Good
FM over Stream	1956	71	Poor
140TH St over Stream	2024	61	Good
E46 245TH St over Soldier River	2020	60	Good
FM over I-29	1959	60	Good
FM over Jordan Creek	1954	60	Fair
FM over Jordan Creek	1954	60	Poor
FM over Jordan Creek	1999	60	Good
Local over Mccandlesscleghrn Outlet	1969	60	Fair
Local over Stream	1900	60	Poor
West St over Mccandles Ditch	2020	56	Good
FM over I-29	1959	50	Good
FM over NE Norway Creek	1949	50	Poor
FM over New Farmer Main D.d.	2002	50	Fair
Local over Mccandless Cleghorn Dd	1971	50	Fair
FM over Elk Creek	1988	45	Fair
FM over Little Sioux River	1960	45	Poor
FM over Mccandless Cleghorn D D	1969	45	Fair
FM over Sioux River	1960	45	Poor
Local over Diversion Ditch	1961	45	Fair
Local over Monona Harrison Dd	1959	45	Poor
Local over Soldier River	1992	45	Good
Local over West Fork Dd	1961	45	Poor
Sumac Ave over Skinner Creek	2008	45	Good
FM over Elk Creek	1955	40	Fair
FM over Norway Creek	1953	40	Poor
FM over Soldier Creek	1948	40	Poor
FM over Soldier River	2000	40	Good
FM over Stream	1956	40	Fair
FM over Stream	1956	40	Fair
FM over Willow Creek	1952	40	Poor
Local over Mccandless Cleghorn Dd	1970	40	Poor
Plum Ave over Local Stream	1950	40	Fair
Sumac Ave over Stream	2019	40	Good
325TH St over I-29	1967	34	Fair
E64 Redwood Ave over Branch of Elk Creek	2022	34	Good
FM over Haitz Dd	1961	34	Fair
FM over West Fork Dd	1961	34	Fair
Local Road over Stream	1999	34	Good
Local over Mccabdless Cleghorn Dd	2004	34	Fair
105TH St over Dutch Creek	2012	29	Good
210TH St over Jordan Creek	2020	29	Good
FM over Jordan Creek	1984	29	Good
FM over Mccandless Cleghorn	1959	29	Fair
FM over Stream	1952	29	Fair
Local Road over Local Stream	1962	29	Poor
Local over Mccandless Cleghorn D D	1997	29	Poor
Local over Norway Creek	2010	29	Good
Teak Ave over Local Stream	2017	29	Good
Local Rd over Small Stream	1979	26	Fair
Local Road over Local Stream	1964	26	Poor
Local over Mccandless Cleghorn	1976	26	Poor
170TH St over Trib to Soldier River	2016	20	Good
FM over Crow Creek	1955	20	Fair
K53 Dogwood Ave over Mccandless Cleghorn	1970	20	Poor
Local over Haitz Dd	1962	20	Fair
Local over Mccandlesscleghorn Ditch	1971	20	Fair
Local over Trib Maple River	1900	20	Poor
Local over Trib Maple River	1900	20	Fair
Local over Trib to Soldier River	1990	20	Poor
FM over Willow Creek	1955	15	Fair
Local over Cottonwood Creek	1949	15	Fair
Local over Jordan Creek	1912	15	Poor
Local over Norway Creek	1983	15	Fair
Local over Stream	2002	15	Fair
245TH St over Jordan Creek	2016	11	Good
FM over Beaver Creek	1958	11	Poor
FM over Stream	1957	11	Good
FM over Willow Creek	1960	11	Fair
Local over Dutch Creek	1976	11	Fair
Local over Heisler Creek	1976	11	Fair
Local over Local Stream	1900	11	Poor
Local over Skunk Creek	1990	11	Fair
Local over Soldier River	2009	11	Good
Local over Willow Creek	1978	11	Poor
Local Rd over Gard Creek	1954	5	Fair
Local over Soldier Valley D D	1900	5	Fair
Local over Trib to Maple River	1900	5	Poor

Source: FHWA National Bridge Inventory, 2025.

Monona County bridge conditions · Iowa bridges by county.

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