Bridges in Winnebago County, Iowa

54Total Bridges

18Good

20Fair

16Poor

Winnebago County, Iowa has 54 bridges tracked in the National Bridge Inventory. Of these, 16 (29%) are rated in poor condition and 18 are rated good. The oldest bridge in Winnebago County is Local over N Fork Buffalo Creek, built in 1900. The longest is US 69 over Winnebago River at 216.9 feet.

Bridge	Condition	Length	Traffic	Year
FM over Blue Earth River	Poor	43.0 ft	938	1924
Broadway AVE over Winnebago River	Poor	107.0 ft	245	1975
Local over Drainage Ditch	Poor	25.9 ft	82	1928
Local over Drainage Ditch	Poor	55.1 ft	72	1976
Local over Beaver Creek	Poor	54.1 ft	41	1976
Local over Drainage Ditch	Poor	24.0 ft	41	1966
Local over Beaver Creek	Poor	36.1 ft	35	1985
Local over Drainage Ditch	Poor	34.1 ft	35	1950
Local over Buffalo Creek	Poor	49.9 ft	26	1975
Local over Drainage Ditch	Poor	44.9 ft	26	1985
Local over Drainage Ditch	Poor	52.2 ft	20	1964
Local over Pike Run	Poor	97.1 ft	11	1976
Local over N Buffalo Creek	Poor	62.0 ft	11	1949
Local over Pike Run	Poor	52.2 ft	5	1976
Local over N Fork Buffalo Creek	Poor	54.1 ft	5	1900
Local over N Buffalo Creek	Poor	44.9 ft	5	1949
US 69 over Winnebago River	Fair	216.9 ft	5,400	1988
Secor AVE over Winnebago River	Fair	143.0 ft	3,200	1966
US 69 & Ia 9 over Winnebago River	Fair	138.1 ft	2,960	1988
Ia 9 over Drainage Ditch	Fair	99.1 ft	2,320	1975
US 69 over Lime Creek	Fair	62.0 ft	1,970	1931
J ST over Winnebago River	Fair	157.2 ft	1,884	1974
US 69 over Pike Run Creek	Fair	124.0 ft	1,650	1968
Ia 9 over Stream	Fair	124.0 ft	1,650	1975
FM over Beaver Creek	Fair	78.1 ft	848	1987
FM over Winnebago River	Fair	127.0 ft	649	1968
20th AVE over N Fork Buffalo Creek	Fair	78.1 ft	409	1989
FM over Winnebago River	Fair	128.0 ft	330	1974
10th AVE over N Fork Buffalo Creek	Fair	104.0 ft	279	2001
FM over Winnebago River	Fair	112.9 ft	270	2002
FM over Pike Run Creek	Fair	90.9 ft	170	1990
FM over Drainage Ditch	Fair	50.9 ft	90	1955
460th ST over Drainage Ditch	Fair	65.9 ft	62	2005
Local over N Fork Buffalo Creek	Fair	88.9 ft	30	2001
Local over Beaver Creek	Fair	34.1 ft	30	1991
FM over N Fork Buffalo Creek	Fair	86.9 ft	26	2006
FM over Buffalo Creek	Good	32.2 ft	439	2010
10th AVE over Blue Earth River	Good	21.0 ft	120	2011
A34 (420th St) over Pike Run Creek	Good	32.2 ft	100	2014
FM over Winnebago River	Good	148.0 ft	90	1989
Local over N Fork Buffalo Creek	Good	38.1 ft	71	2011
A38 168th AVE over Drainage Ditch	Good	42.0 ft	48	2017
Local over Blue Earth River	Good	24.9 ft	46	2010
FM over Twister Branch	Good	24.9 ft	45	2011
440th ST over Winnebago River	Good	140.1 ft	41	2012
Local over Winnebago River	Good	130.9 ft	35	2011
160th AVE over Pike Run	Good	22.0 ft	30	2022
Local over Winnebago River	Good	145.0 ft	30	1993
140th AVE over Pike Run	Good	33.1 ft	26	2019
Local over Pike Run	Good	104.0 ft	26	2005
30th AVE over N Fork Buffalo Creek	Good	111.9 ft	21	2000
350th ST over Buffalo Creek	Good	25.9 ft	21	2020
200th AVE over Winnebago River	Good	110.9 ft	11	2015
135th AVE over Twister Branch	Good	22.0 ft	11	2023