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Every bridge in Benton County, Iowa

Name: Every bridge in Benton County, Iowa
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

Benton County, Iowa, has 373 bridges in the 2025 National Bridge Inventory: 134 rated good, 158 fair, and 81 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 Drainage Ditch	1982	21,300	Good
I-380 over Prairie Creek	1983	17,900	Good
US 30 & 218 over Stream	1991	15,400	Fair
I 380 NB over Ia 150	1982	8,550	Good
I 380 SB over Ia 150	1982	8,550	Good
US 151 over Knapp Creek	1995	7,800	Good
US 218 over Hinkle Creek	1959	4,910	Good
US 30 & US 218 over Mud Creek	2000	4,750	Fair
US 30 EB over Mud Creek	1998	4,750	Fair
US 30 EB over Prairie Creek	2022	3,850	Good
Ia 150 over Cedar River	1980	3,840	Fair
Ia 150 over Cedar River Overflow	1940	3,810	Fair
US 30 EB over Unnamed Creek	2022	3,800	Good
US 218 over Mud Creek	2008	3,530	Good
US 218 over Stream	1956	3,530	Fair
Ia 150 over Prairie Creek	2024	3,450	Good
Ia 150 over Stream	1940	3,330	Fair
4TH St over Hinkle Creek	1973	3,197	Poor
FM over Bear Creek	1969	2,740	Poor
Ia 21 over Iowa River Overflow	1982	2,710	Fair
US 218 over Branch of Wild Cat Creek	1997	2,690	Good
US 218 over Drainage Ditch	1960	2,690	Good
US 218 over Wildcat Creek	2016	2,690	Good
3RD St over Hinkle Creek	1985	2,550	Fair
Canton St over Bear Creek	2010	2,438	Good
US 218 over Abandoned RR	1974	2,420	Fair
SR 54TH St Trl over I-380	1981	2,231	Fair
13TH Street over Minnow Creek	2001	2,103	Fair
Ia 21 over US 30	2023	1,860	Good
U.S. 218 over Stream	2001	1,700	Good
Locust St over Prairie Creek	1960	1,660	Fair
30 Ave over Small Natural Stream	1958	1,561	Poor
US 218 over Pratt Creek	2010	1,550	Good
E24 61ST St Lane over Stream	2020	1,532	Good
FM over Mud Creek	1992	1,532	Fair
Ia 21 over Branch Salt Creek	1983	1,470	Good
Ia 21 over Branch Salt Creek	1979	1,470	Good
Ia 21 over Stein Creek	1979	1,470	Fair
FM over Bear Creek	1999	1,444	Fair
FM over Dry Creek	1961	1,444	Poor
FM over Dry Creek	1999	1,444	Fair
FM over Bear Creek	1957	1,414	Poor
V 37 over Small Creek	2013	1,370	Good
V 37 over Wolf Creek	2013	1,345	Good
FM over Rock Creek	2006	1,340	Good
FM over Prairie Creek	1971	1,336	Fair
V37 over Wolf Creek	2021	1,316	Good
US 218 over US 30	2017	1,310	Good
FM over Dry Creek	1998	1,296	Fair
FM over Cedar River	1969	1,267	Poor
Ia 150 over Stream	1981	1,230	Fair
V66 21 Ave over Cook Creek	1957	1,230	Fair
FM over Branch of Prairie Creek	1999	1,220	Good
Smith Street over Bear Creek	2023	1,210	Good
US 218 over Rock Creek	1990	1,160	Good
5TH Ave over Prairie Creek	2017	1,119	Good
15 Ave over Branch Prairie Creek	1959	1,100	Fair
FM over Opossum Creek	1959	1,100	Fair
FM over Wildcat Creek	1987	1,100	Fair
FM over Opossum Creek	1959	1,090	Poor
FM over Opossum Creek	1959	1,090	Poor
FM over Prairie Creek	1966	1,090	Fair
FM over Prairie Creek	1965	1,090	Poor
E 44 (70TH St) over Prairie Creek	2013	1,070	Good
E 44 (70TH St) over Prairie Creek	2013	1,070	Good
Ia 8 over Branch Pratter Creek	1969	1,040	Fair
13 Ave over Buckeye Creek	1976	1,002	Poor
FM over Small Stream	1925	940	Poor
FM over Hinkle Creek	1991	900	Fair
2ND Avenue over Drainage	1995	890	Good
FM over Buckeye Creek	1960	850	Fair
FM over Buckeye Creek	1960	850	Fair
FM over Stern Creek	1987	850	Fair
FM over Prairie Creek	1969	835	Poor
FM over Prairie Creek	1960	820	Poor
77 St over Prairie Creek	2000	800	Good
FM over Prairie Creek	1961	766	Poor
51ST Street over Blue Creek	1996	707	Good
FM over Bear Creek	1991	658	Fair
E24 59 St Trail over Spring Creek	2022	638	Good
FM over Hinkle Creek	1962	570	Poor
V44 16 Ave over Prairie Creek	2021	570	Good
FM over Prairie Creek	1967	550	Poor
FM over Pratt Creek	1989	540	Poor
FM over Pratt Creek	1956	540	Poor
FM over Small Stream	1991	540	Fair
FM over Hinkle Creek	1988	530	Poor
E44 70TH St over Prairie Creek	2018	481	Good
FM over Rock Creek	1985	430	Poor
FM over Spring Creek	1959	430	Poor
FM over Br Little Bear Creek	1929	422	Poor
FM over Wild Cat Creek	1993	422	Fair
1ST Ave over Small Stream	1965	420	Fair
FM (lwc) over Small Stream	1993	410	Good
10TH Ave over Minnow Creek	1900	349	Poor
E22 61ST St over Stein Creek	2015	340	Good
E22 61ST St over Pratt Creek	2015	334	Good
E24 33RD Ave Dr over Spring Creek	2015	334	Good
FM (lwc) over Small Stream	1990	330	Poor
FM over Cedar River	1968	324	Poor
FM over Lime Creek	1990	324	Fair
FM over Prairie Creek	2002	206	Good
V66 22ND Ave over Pratt Creek	2021	206	Good
FM over Mud Creek	2002	200	Fair
FM over Mud Creek	1955	200	Poor
FM over Mud Creek	2003	200	Fair
FM over Wolf Creek	1988	200	Good
E24 61ST St Ln over Spring Creek	2015	180	Good
30 Ave Dr over Branch Opossum Creek	2021	168	Good
Local over Wild Cat Ck	1972	168	Fair
FM over Small	1978	157	Fair
FM over Small Stream	1961	157	Fair
V56 19TH Ave over Prairie Creek	2015	157	Good
FM over Br Cedar River	1975	150	Poor
Local over Br Prairie Creek	1994	140	Good
Local over Hinkle Creek	1987	140	Fair
FM over Prairie Creek	1986	137	Good
FM over Stein Creek	1969	130	Fair
51 Street over I-380	1984	128	Good
Local over Buckeye Ck	1975	120	Fair
22ND Ave Dr over Bear Creek	2021	108	Good
Fourth St over Small Stream	1955	104	Fair
FM over Buckeye Creek	1973	100	Poor
FM over Wolf Creek	1967	100	Fair
FM over Br Rock Ck	1973	90	Poor
Local over Morgan Creek	1964	90	Poor
Local over Mud Creek	1986	90	Fair
Local over Prairie Ck	1971	90	Poor
76TH St over Prairie Creek	2018	88	Good
Local over Prairie Creek	1978	88	Fair
V56 19 Ave over Prairie Creek	2021	88	Good
75TH St over Branch Prairie Creek	2023	84	Good
50TH St over Spring Creek	2012	80	Good
FM over Prairie Creek	1900	80	Poor
FM over Little Bear Creek	1974	79	Fair
Local (lwc) over Mud Creek	1988	79	Fair
Local over Prairie Creek	1986	79	Fair
25TH Ave over Mud Creek	2013	78	Good
75 St Dr over Small Stream	2000	71	Good
Local (lwc) over Br Buckeye Creek	1994	71	Fair
Local over Br Prairie Creek	1995	71	Fair
Local over Buckeye Creek	1972	71	Fair
Local over Buffalo Creek	1986	71	Fair
Local over Weasel Creek	1986	71	Fair
25 Ave over Small Stream	1998	70	Good
30 Ave over Br of Dry Creek	1997	70	Good
FM over Rock Creek	1987	70	Fair
FM over Rock Creek	1988	70	Good
Local (lwc) over Bear Creek	1980	70	Fair
Local over Dry Creek	1985	70	Good
Local over Hinkle Creek	1984	70	Fair
FM over Blue Creek	2016	69	Good
FM over W Blue Ck	1974	69	Fair
E. 13TH St over Mud Ck	1965	60	Poor
FM over Mud Creek	1989	60	Fair
Local (lwc) over Br Prairie Ck	1978	60	Poor
Local over Br Buffalo Creek	1988	60	Good
Local over Br Hinkle Ck	1978	60	Fair
Local over Miller Creek	1993	60	Good
Local over Pratt Ck	1976	60	Fair
Local over Spring Ck	2002	60	Good
Local over Stein Ck	1971	60	Poor
19TH Ave over Hinkle Creek	2014	59	Good
Local over Knapp Creek	1989	59	Good
55TH St over Pratt Creek	2023	50	Good
Local over Blue Creek	1987	50	Fair
Local over Br Prairie Ck	1978	50	Fair
Local over Dry Ck	1973	50	Poor
Local over Hinkle Creek	1989	50	Good
Local over Prairie Creek	1970	50	Poor
Local over Prairie Creek	1947	50	Poor
Local over Stream	1959	50	Poor
62ND St over Branch Opossum Creek	2019	49	Good
Local over Dry Creek	1987	49	Good
Local over Little Bear Creek	1985	49	Fair
Local over Mud Creek	1985	49	Fair
Local over Prairie Creek	1990	49	Fair
Local over Small Stream	1991	49	Fair
75TH St over Branch Prairie Creek	2021	46	Good
65TH St over Mud Creek	2000	45	Good
FM over Prairie Creek	1959	45	Poor
FM over Small Stream	1992	45	Fair
FM over Small Stream	1992	45	Fair
Local (lwc) over Prairie Creek	1990	45	Fair
Local (lwc) over Prairie Creek	1986	45	Fair
Local (lwc) over Stream	1977	45	Fair
Local (lwc) over Weasel Creek	1979	45	Poor
Local over Br Buckeye Ck	1976	45	Poor
Local over Br Buckeye Creek	1995	45	Good
Local over Br Prairie Creek	1988	45	Fair
Local over Prairie Creek	1958	45	Fair
Local over Small	1988	45	Good
Local over Br Blue Creek	1988	44	Good
Local over Br Wild Cat Creek	1997	44	Good
Local over Dry Creek	1984	44	Fair
Local over Little Bear Creek	1984	44	Fair
Local over Mud Creek	1996	44	Good
V56 19TH Ave over Prairie Creek	2014	44	Good
FM over Pratt Creek	1978	40	Fair
FM over Wild Cat Creek	1990	40	Fair
Local (lwc) over Br Prairie Ck	1979	40	Fair
Local over Bear Ck	1941	40	Poor
Local over Br Hinkle Ck	2001	40	Good
Local over Br Prairie Ck	1989	40	Fair
Local over Buckeye Creek	1989	40	Fair
Local over Buffalo Creek	1997	40	Good
Local over Mud Creek	1998	40	Good
Local over Spring Ck	1974	40	Fair
Local (lwc) over Branch Blue Creek	1987	39	Fair
Local over Dry Ck	1991	39	Good
Local over Dry Creek	1976	39	Poor
Local over Mud Creek	1990	39	Good
Local over Possum Creek	1985	39	Fair
Local over Stream	1977	39	Fair
Local over Wild Cat Creek	1900	39	Poor
Local over Wildcat Creek	1978	39	Fair
Local (lwc) over Stream	1977	35	Poor
12TH Ave over Stream	2003	34	Good
FM over Dry Creek	1988	34	Fair
FM over Possum Creek	1986	34	Fair
Local (lwc) over Big Creek	1988	34	Fair
Local over Br Opossum Ck	1970	34	Poor
Local over Br Stein Ck	1969	34	Poor
Local over Hinkle Creek	1973	34	Fair
Local over Mud Creek	1945	34	Poor
Local over Oppossum Creek	1960	34	Poor
Local over Small Creek	1998	34	Good
Local over Stein Creek	1990	34	Fair
Local over Stein Creek	1977	34	Fair
Local over Stern Creek	1984	34	Fair
27TH Ave over Br Prairie Ck	2015	33	Good
Local over Blue Creek	2007	33	Good
Local over Br Bear Ck	1972	33	Fair
Local over Mud Creek	1997	33	Good
Local over Possum Creek	1985	33	Fair
Local over Prarie Creek	2002	33	Fair
Local over Small Stream	1991	33	Good
18TH Ave over Stream	2003	30	Good
69TH St over Small Stream	1996	30	Fair
FM over Branch Mud Creek	1983	30	Poor
FM over Branch Mud Creek	1986	30	Fair
FM over Pratt Creek	1958	30	Fair
FM over Rock Ck	1958	30	Poor
FM over Wolf Creek	1953	30	Poor
Local over Br Hinkle Creek	1996	30	Fair
Local over Br Salt Creek	1997	30	Fair
Local over Branch Weasel Creek	1987	30	Good
Local over Pratt Ck	1977	30	Fair
Local over Stern Creek	1989	30	Fair
Local over Stream	1977	30	Poor
Local over Br Prairie Ck	1976	29	Poor
Local over Br Prairie Ck	1900	29	Poor
Local over Opossum Ck	1986	29	Fair
Local over Pratt Ck	2007	29	Good
Local over Wildcat Ck	2004	29	Good
Local over Weasel Ck	1957	28	Poor
30TH Ave over Bear Creek	2018	26	Good
Local (lwc) over Small Stream	1992	26	Fair
Local over Br Mud Ck	1972	26	Fair
Local over Br Prairie Ck	1985	26	Fair
Local over Br Pratt Creek	1988	26	Good
Local over Br Stein Ck	1999	26	Good
Local over Branch Prairie Creek	1984	26	Fair
Local over Mud Creek	1976	26	Poor
Local over Mud Creek	1983	26	Poor
Local over Mud Creek	1985	26	Fair
Local over Prairie Ck	1989	26	Fair
Local over Pratt Creek	1997	26	Good
Local over Rock Creek	1982	26	Poor
Local over Spring Ck	1971	26	Poor
Local over Spring Creek	1996	26	Good
Local over Stein Ck	1989	26	Fair
Local over Wild Cat Creek	1974	26	Fair
30TH Ave over I-380	1984	25	Good
FM over Prairie Creek	2008	25	Good
FM over Pratt Creek	1982	25	Fair
Local over Br Prairie Ck	1958	25	Fair
SR V 40 over Prairie Creek	2011	25	Good
Local over Buffalo Creek	1996	24	Fair
FM (lwc) over Small Stream	1980	20	Poor
FM over Rock Ck	1989	20	Good
FM over Rock Creek	1987	20	Fair
Local (lwc) over Br Prairie Creek	1996	20	Good
Local Rd over Br Mud Ck	1900	20	Poor
Local over Bear Ck	1972	20	Poor
Local over Br Cedar River	1973	20	Fair
Local over Br Little Bear Ck	1990	20	Fair
Local over Br Mud Ck	1989	20	Good
Local over Br Opossum Ck	1958	20	Poor
Local over Br Prairie Ck	1970	20	Poor
Local over Br Prairie Ck	2001	20	Fair
Local over Br Prairie Creek	1997	20	Fair
Local over Br Pratt Ck	1975	20	Fair
Local over Br Stein Ck	1958	20	Fair
Local over Mud Creek	2010	20	Good
Local over Prairie Creek	1996	20	Fair
Local over Pratt Ck	1988	20	Good
Local over Pratt Creek	1984	20	Fair
Local over Rock Ck	1974	20	Fair
Local over Rock Creek	1992	20	Good
Local over Spring Ckeek	1991	20	Good
Local over Stream	1970	20	Poor
Local over Stream	1957	20	Fair
Local over Stream	1958	20	Fair
Local over Stream	2004	20	Good
Local over Wildcat Ck	1957	20	Fair
Local over Wildcat Creek	1984	20	Fair
11TH Ave over Tributary to Stein Creek	2020	15	Good
13TH Ave over Branch of Stein Creek	1998	15	Good
51ST St Dr over Rock Ck	2019	15	Good
69TH St over Small Stream	2000	15	Good
72 St over Br. of Praire Creek	2000	15	Good
E58 75TH St over Br Buckeye Ck	1972	15	Fair
FM over Br Pratt Creek	1995	15	Good
FM over Br Wildcat Ck	2001	15	Good
FM over Mud Creek	1951	15	Poor
FM over Pratt Creek	1971	15	Poor
FM over Wildcat Creek	1998	15	Good
Local (lwc) over Branch Prairie Creek	1987	15	Fair
Local (lwc) over Prairie Creek	1987	15	Fair
Local (lwc) over Prairie Creek	1980	15	Poor
Local (lwc) over Small Stream	1992	15	Fair
Local over Br Mud Creek	1972	15	Fair
Local over Br Mud Creek	1972	15	Fair
Local over Br Mud Creek	1994	15	Fair
Local over Br Mud Creek	2001	15	Good
Local over Br Stein Ck	2002	15	Fair
Local over Br Wildcat Ck	1957	15	Poor
Local over Fork Prairie Creek	1976	15	Fair
Local over Mud Creek	1996	15	Fair
Local over Prairie Ck	2016	15	Good
Local over Prairie Ck	1975	15	Fair
Local over Prairie Ck	1947	15	Poor
Local over Prairie Creek	1974	15	Poor
Local over Prarie Ck	2003	15	Good
Local over Small	1988	15	Good
Local over Small Stream	1991	15	Good
Local over Stein Ck	1948	15	Poor
Local over Wildcat Creek	1994	15	Fair
Local over Br Mud Creek	1958	14	Fair
Local over Mud Creek	1990	14	Fair
29 Ave over Br Little Bear Creek	2000	11	Good
50 Th Dr over Blue Creek	2000	11	Fair
66 St over Bre Stew Ck	2000	11	Good
Local (lwc) over Pratt Creek	1995	11	Fair
Local (lwc) over Rock Creek	1986	11	Fair
Local (lwc) over Small Stream	1992	11	Fair
Local over Br. of Pratt Creek	1999	11	Good
Local over Branch Mud Creek	1984	11	Fair
Local over Opossum Ck	1959	11	Poor
Local over Rock Ck	1974	11	Poor
Local over Small Creek	1976	11	Poor
Local over Small Stream	1991	11	Fair
Local over Spring Ck	1971	11	Poor
Local over Spring Creek	1997	11	Fair
Local over Stein Ck	1999	11	Poor
Local over Stream	2002	11	Fair
Local over Stream	1999	11	Fair
FM 1849 over Stein Creek	1989	10	Good
FM over Rock Creek	2005	10	Good
FM over Stein Creek	1958	10	Fair
Local over Mud Creek	1999	10	Good
53RD St Trail over West Branch Blue Creek	2020	5	Good
Local (lwc) over Br Prairie Ck	1991	5	Fair
Local (lwc) over Branch Rock Creek	1984	5	Poor
Local (lwc) over Prairie Creek	1979	5	Fair
Local (lwc) over Prairie Creek	1986	5	Fair
Local over Blue Creek	1985	5	Fair
Local over Br Stein Ck	1971	5	Poor
Local over Dry Ck	2001	5	Good
Local over Wildcat Creek	1995	5	Good
US 30 WB over Prairie Creek	2024	–	Good
US 30 WB over Unnamed Creek	2024	–	Good

Source: FHWA National Bridge Inventory, 2025.

Benton County bridge conditions · Iowa bridges by county.

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