Every bridge in Cass County, Iowa

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

296 inventoried bridges, busiest first

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

Cass County, Iowa, has 296 bridges in the 2025 National Bridge Inventory: 80 rated good, 112 fair, and 104 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-80 over Camp Creek	1965	23,500	Fair
I-80 over Drainage Ditch	1959	23,000	Fair
I-80 over Stream	1965	22,400	Fair
I 80 EB over Indian Creek	2013	11,800	Good
I 80 WB over Indian Creek	2014	11,800	Good
EB I-80 over 570TH St	1966	11,750	Fair
WB I-80 over 570TH St	1966	11,750	Fair
EB I-80 over 770TH Street	1958	11,650	Fair
WB I-80 over 770TH Street	1958	11,650	Fair
EB I-80 over Buck Ck & Buck Ck Rd	1965	11,600	Fair
WB I-80 over Buck Ck & Buck Ck Rd	1965	11,600	Fair
EB I-80 over East Nishnabotna River	2009	11,550	Good
WB I-80 over East Nishnabotna River	2008	11,550	Good
EB I-80 over Crooked Creed	2011	11,500	Good
EB I-80 over Troublesome Creek	2003	11,500	Good
WB I-80 over Crooked Creek	2011	11,500	Good
WB I-80 over Troublesome Creek	2003	11,500	Good
EB I-80 over SR N-28	1959	11,450	Fair
WB I-80 over SR (n-28)	1959	11,450	Good
I 80 EB over US 71 & Bike Trail	2009	11,050	Good
I 80 WB over US 71 and Bike Path	2008	11,050	Good
US 6 & 71 & Ia 83 over over Iais RR	1979	4,620	Fair
Ia 83 over East Nishnabotna River	1934	3,690	Fair
US 6 over Stream	1928	3,050	Fair
US 71 over Lone Tree Creek	1971	2,830	Good
US 71 over Turkey Creek	1971	2,830	Good
Ia 83 over Buck Creek	1979	2,810	Fair
US 71 over Four Mile Creek	1971	2,280	Fair
US 6 & 71 over East Nishnabotna River	1959	2,270	Fair
US 6 & 71 over Troublesome Creek	1993	2,270	Good
Ia 83 over Drainage Ditch	1987	2,120	Good
US 71 & Ia 92 over Seven Mile Creek	1970	2,100	Good
Ia 148 over Turkey Creek	1995	2,010	Good
US 6 over Turkey Creek	1959	2,000	Fair
US 6 over Stream	1925	1,960	Fair
US 6 over East Nishnabotna River	1961	1,760	Fair
US 6 over Indian Creek	1959	1,760	Fair
US 6 over Spring Creek	1960	1,760	Fair
Ia 48 over Baughmans Creek	1973	1,570	Fair
G 30 White Pole Rd over Small Stream	1993	1,564	Fair
G 30 White Pole Rd over Small Stream	1993	1,564	Good
FM - Olive over Nishnabotna River	1961	1,524	Poor
N16 Olive St over Branch of Buck Creek	2021	1,524	Good
Ia 48 over Drainage Ditch	1985	1,490	Good
Ia 92 over Baughmans Creek	1992	1,470	Good
Olive St over Troublesome Creek	1968	1,442	Fair
Ia 173 over I-80	1964	1,430	Fair
Ia 92 over Stream	2013	1,270	Good
Ia 48 over Drainage Ditch	1974	1,250	Fair
Ia 48 over East Nishnabotna River	1959	1,120	Fair
Ia 48 over Nishna River Overflow	1995	1,120	Good
Ia 48 over Clarks Branch	1974	1,090	Fair
Ia 92 over Sevenmile Creek	2023	1,060	Good
Ia 92 over Seven Mile Creek	2002	1,050	Good
Ia 92 over West Nodaway River	2010	920	Good
SR N-16 over I-80	1964	837	Fair
Ia 148 over Seven Mile Creek	1994	790	Fair
Ia 148 over Stream	1994	790	Good
Ia 148 over Elm Creek	1959	770	Fair
Ia 148 over Stream	1959	770	Fair
Ia 148 over Stream	1959	770	Fair
Ia 148 over West Nodaway River	2016	770	Good
Ia 83 over Camp Creek	1991	760	Fair
Ia 83 over Compton Creek	1936	760	Fair
Ia 83 over Indian Creek	1991	760	Fair
Local over Buck Creek	2005	537	Fair
Jackson St over Stream	2007	481	Good
FM - 690TH over Sevenmile Creek	1971	468	Poor
FM - 690TH over Waterway	1963	450	Poor
FM - 690TH over Waterway	1970	450	Poor
Ia 148 over I-80	1958	410	Fair
Washington St over Drainage to Camp Creek	1983	405	Poor
FM - Lansing over Waterway	1900	379	Poor
FM - Lewis over Waterway	1998	358	Good
FM - 690TH over Jim Creek	1971	329	Poor
FM - Highland over East Nishnabotna	1959	329	Fair
G30 Highland Rd over Indian Creek	2024	278	Good
560TH St over Waterway	2015	269	Good
Local - 560TH over Creek	1983	269	Poor
FM - 690TH over Troublesome Creek	1960	210	Poor
FM - 690TH over Nodaway River	1970	190	Poor
N28 690TH St over Whistlers Branch	2016	190	Good
Truman Rd over Turkey Creek	1987	170	Fair
W 4TH St over Camp Creek	1976	170	Poor
M-56 over I-80	1965	159	Good
740TH St over I-80	1958	145	Fair
Local - 740TH over Crooked Creek	1984	145	Fair
FM - Jackson over Waterway	1985	139	Poor
FM - Oxford over Seven Mile Creek	1974	139	Poor
Jackson Rd over Turkey Creek	2008	139	Good
FM - Boston over Nishnabotna River	1951	131	Poor
FM - Jackson over Creek	1999	131	Good
G16 Boston Rd over Small Creek	2021	131	Good
Local/buck Crk over East Nishnabotna River	1900	123	Poor
FM - 570TH over Spring Creek	1980	120	Fair
Lansing Rd over Waterway	2018	120	Good
Lansing Rd over Waterway	2013	120	Good
Jackson Rd over Small Stream	2015	110	Good
Nishna St over Small Creek	1983	101	Fair
Local - Quimby over Nishnabotna River	2007	100	Good
Truman Rd over Drainage	1900	95	Fair
Local - 770TH over Small	1980	91	Poor
Local - Jasper over Creek	1984	91	Fair
Local - Jasper over Turkey Creek	1988	91	Good
Quincy Rd over Waterway	1975	91	Poor
FM - 660TH over Seven Mile Creek	1979	89	Fair
FM - Highland over Buck Creek	1983	89	Fair
G16 Boston Rd over Branch of Buck Creek	2022	89	Good
Local/rockport over Waterway	1900	89	Poor
Local - Nshna V over Nishnabotna River	1992	82	Good
FM - 570TH over Iais RR	1952	79	Fair
FM - 730TH St over Waterway	1969	79	Fair
620TH St over Turkey Creek	2012	72	Good
670TH Road over I-80	1959	72	Fair
740TH St over Nodaway River	2017	72	Good
Local - 540TH over Waterway	1991	72	Poor
Local - York over Three Mile Creek	1982	72	Fair
FM - 710TH over Waterway	1966	71	Fair
FM - Seattle over Seven Mile Creek	1968	71	Fair
Indian Creek St over Trib to Indian Creek	2021	71	Good
680TH St over West Nodaway River	2023	62	Good
Local - 665TH over Turkey Creek	1991	62	Good
Local - 740TH over Elm Creek	1984	62	Fair
Local - Eagle over Buck Creek	1997	62	Fair
Local - Hamburg over Turkey Creek	1974	62	Poor
Local - Nshna V over Small Stream	1986	62	Poor
Local - Wichita over Small	1976	62	Fair
FM - Boston over Indian Creek	1974	60	Fair
FM - Lansing over Waterway	1952	60	Poor
FM - Yankton over Clarks Branch	1990	60	Fair
FM over Waterway	1900	60	Fair
G53 Tucson Rd over Br W Nodaway River	2018	60	Good
570TH St over Small Creek	2014	51	Good
FM - 610TH over Turkey Creek	1973	51	Fair
Local - 665TH over Creek	1983	51	Poor
Local - 740TH over West Nodaway River	1978	51	Poor
Local - Troy over Small Stream	1986	51	Good
Local over Sevenmile Creek	2006	51	Fair
N16 610TH St over Bear Branch of Turkey CR	2022	51	Good
540TH St over Stream	1984	50	Poor
710TH St over Creek	2023	50	Good
FM - Yankton over Waterway	1958	50	Poor
Local - 540TH over Lone Tree Branch	1987	50	Poor
Local - 540TH over Waterway	1977	50	Fair
Local - 650TH over W Nodaway River	1973	50	Fair
700TH St over Pettitts Branch	2024	46	Good
Fairview Road over Small Creek	2022	46	Good
Local - 700TH over Waterway	1967	46	Poor
Local - Jasper over Nishnabotna River	1959	46	Poor
Local - Yankton over Waterway	1951	46	Poor
FM - 730TH over Elm Creek	1956	45	Poor
FM - Boston over Camp Creek	1976	45	Fair
FM - Boston over Troublesome River	1977	45	Fair
FM - Indian Crk over Trib Indian Creek	1987	45	Fair
FM - Indian Crk over Waterway	1955	45	Poor
710TH St over I-80	1959	41	Fair
Local - 665TH over Jim Branch	1978	41	Poor
Local - Hamburg over Creek	1983	41	Fair
Local - Quincy over West Nodaway River	1982	41	Poor
Local/buck Crk over Waterway	1967	41	Poor
Local/richland over Small Stream	1974	41	Fair
Local/victoria over Small	1959	41	Poor
Local/victoria over Three Mile Creek	1976	41	Fair
Local over Indian Creek	2004	40	Good
Local/richland over Waterway	1959	40	Poor
Local/richland over Waterway	1959	40	Poor
Akron Rd over Waterway	2017	35	Good
Independence Rd over Indian River	2000	35	Good
Local - 765TH over Waterway	1900	35	Poor
Local - Daytona over Buck Creek	1980	35	Poor
Local - Hamburg over Creek	1988	35	Fair
Local - Tucson over West Nodaway River	1972	35	Fair
Local/keystone over Turkey Creek	1900	35	Poor
Seattle Rd over Waterway	2023	35	Good
Victoria Rd over Seven Mile Creek	2012	35	Good
FM - 660TH over Jim Creek	1956	34	Poor
FM - Lansing over Waterway	1997	34	Good
FM - Yankton over Nodaway River	1949	34	Poor
FM - Yankton over Three Mile Creek	1977	34	Fair
FM over Troublesome Creek	2005	30	Good
Kingbird Ave over Waterway	2000	30	Good
Local - 570TH over Waterway	1955	30	Poor
Local - 635TH over Troublesome Creek	1979	30	Poor
Local - 640TH over Creek	1900	30	Fair
Local - 720TH over Seven Mile Creek	1978	30	Fair
Local - 725TH over Turkey Creek	1973	30	Fair
Local - 730TH over Waterway	1958	30	Poor
Local - Chicago over Buck Creek	1900	30	Poor
Local - Quincy over Sevenmile Creek	1977	30	Fair
Local - Quincy over Stream	2002	30	Fair
Local - Quincy over Waterway	1967	30	Poor
Local - Wichita over Three Mile Creek	1972	30	Poor
Local/buck Crk over Creek	1988	30	Fair
Local/grt River over Nishnabotna River	1991	30	Good
Yankton Rd over Stale Branch	2017	30	Good
FM - 660TH over Lone Tree Creek	1900	29	Poor
FM - Boston over Crooked Creek	1950	29	Poor
G43 Newport Rd over West Nodaway Creek	2019	29	Good
740TH St over Seven Mile Creek	2015	26	Good
FM - 710TH over Waterway	1955	26	Poor
FM - Boston over Buck Creek	1974	26	Fair
Local - 740TH over Creek	1900	26	Poor
Local - 770TH over Waterway	1985	26	Good
Local - Chicago over Creek	1987	26	Fair
Local - Fayette over Indian Creek	1974	26	Fair
Local - Hampton over Small Stream	1986	26	Fair
Local - Nshna V over Indian Creek	1920	26	Poor
Local - Quebec over Seven Mile Creek	1981	26	Poor
Local - Upland over Waterway	1983	26	Poor
Local - Wichita over Nodaway River	1988	26	Poor
Local over Waterway	1955	26	Poor
Local/eastland over Buck Creek	1974	26	Poor
Local/keystone over Creek	1900	26	Poor
Local/keystone over Creek	1981	26	Poor
Local/newport over Creek	1959	26	Poor
Local/newport over Seven Mile Creek	1977	26	Fair
Local/richland over Small	2008	26	Fair
Allen St over Turkey Creek	1994	23	Good
Local - 555TH over Camp Creek	1976	21	Poor
Local - 670TH over Lone Tree Branch	1978	21	Poor
Local - 700TH over Turkey Creek	1978	21	Poor
Local - Memphis over Waterway	1991	21	Good
Local - Pella over Fox Creek	1987	21	Poor
Local over Creek	1997	21	Poor
Local over Turkey Creek	1981	21	Poor
Local/fairview over Creek	1959	21	Poor
FM - 710TH over Waterway	1958	20	Poor
FM - Dallas over Troublesome River	1959	20	Poor
FM - 610TH over Waterway	1969	15	Fair
FM - 710TH over Waterway	1900	15	Fair
FM - Yankton over Seven Mile Creek	1974	15	Fair
Jasper Rd over Spring Creek	2011	15	Good
LOCAL/658TH Ln over Creek	1997	15	Fair
Local - 560TH over Waterway	1900	15	Poor
Local - 570TH over Camp Creek	1988	15	Fair
Local - 570TH over Waterway	1988	15	Fair
Local - 620TH over Waterway	1977	15	Poor
Local - 640TH over Creek	1977	15	Poor
Local - 670TH over Seven Mile Creek	1978	15	Fair
Local - 680TH over Seven Mile Creek	1979	15	Poor
Local - 720TH over Creek	1997	15	Fair
Local - 765TH over West Nodaway Creek	1976	15	Fair
Local - Chicago over Creek	1988	15	Fair
Local - Chicago over Creek	1977	15	Poor
Local - Pella over Waterway	2007	15	Good
Local - Quincy over Creek	2003	15	Good
Local - Upland over Seven Mile Creek	1976	15	Poor
Local - Upland over Threemile Creek	1996	15	Poor
Local - Wichita over Small Creek	1986	15	Fair
Local Road over Waterway	1990	15	Fair
Local over Troublesome Creek	2004	15	Good
Local/fairview over Stream	1979	15	Poor
Local/keystone over Spring Creek	1900	15	Poor
Newport Rd over Bear Branch	1984	15	Poor
Pella Rd over West Nodaway Creek	2016	15	Fair
545TH St over Clarks Branch	2016	11	Fair
700TH St over Creek	2020	11	Fair
700TH St over Jim Branch of Turkey CR	2021	11	Good
720TH St over Elm Creek	2023	11	Good
Akron Rd over Stream	1978	11	Poor
Local - 100TH over Creek	1900	11	Poor
Local - 640TH over Lone Tree Branch	1987	11	Poor
Local - 680TH over Creek	1981	11	Fair
Local - 680TH over Waterway	1976	11	Poor
Local - 700TH over Trib Troublesome Creek	1983	11	Poor
Local - 710TH over W Nodaway	1977	11	Poor
Local - 710TH over Waterway	1955	11	Poor
Local - 720TH over W Nodaway River	1988	11	Fair
Local - 740TH over Waterway	1985	11	Poor
Local - 760TH over Stale Branch	1986	11	Poor
Local - 760TH over West Nodaway Creek	1988	11	Poor
Local - Akron over Small Stream	1987	11	Poor
Local - CR Crk over Crooked Creek	1977	11	Fair
Local - Chicago over Waterway	1985	11	Fair
Local - Upland over Small Stream	1986	11	Fair
Local - Wichita over Seven Mile Creek	1978	11	Poor
700TH St over Creek	2014	5	Fair
FM - 710TH over Crooked Creek	1988	5	Good
Independence Rd over Creek	2005	5	Poor
LOCAL/730TH Ln over Waterway	1995	5	Poor
Local - 100TH over Camp Creek	1964	5	Fair
Local - 580TH over Little Camp Creek	1981	5	Poor
Local - 660TH over Stream	1981	5	Poor
Local - 675TH over Creek	1961	5	Poor
Local - 680TH over Waterway	1985	5	Poor
Local - 740TH over Stale Branch	1948	5	Fair
Local - 760TH over Creek	1983	5	Fair
Local - Akron over Troublesome Creek	1900	5	Poor
Local - Memphis over Small Stream	1978	5	Poor
Local - Memphis over Turkey CR	1900	5	Poor
Local - Upland over Whistlers Branch	1983	5	Poor
Local over Clarks Creek	1966	5	Poor
Local over Creek	2004	5	Good
Omaha Rd over West Nodaway Creek	2000	5	Fair
Cold Spr St Pk over Stream	1900	–	Fair
Lake Anita Park over Stream	1966	–	Good

Source: FHWA National Bridge Inventory, 2025.

Cass County bridge conditions · Iowa bridges by county.

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