Culvert bridges in Iowa

A pipe or box structure carrying water beneath the roadway. Culverts over 20 feet long are counted as bridges. Iowa has 4,936 of them, 20.8% of its bridges. Nationally this type accounts for 23.8% of all bridges.Compare states for this type.

Culvert bridges: 4,936
Poor condition: 5%; 247 bridges
Average age: 38.4 yrs
Combined length: 27 mi

Busiest culvert bridges in Iowa

Top 200 by daily traffic

Bridge	County	Location	Built	Type	Length	Daily traffic	Condition
I-235 over Drainage Ditch No. 000000000606140	Polk County	0.4 Mile East of Iowa 28	1966	Culvert	47 ft	118,600	Fair
I-235 & 17th ST over Blue Creek No. 000000000042240	Polk County	1.1 Miles W of JCT Ia 28	1968	Culvert	24 ft	113,200	Fair
I-35 & I-80 over N Walnut Creek No. 000000000041400	Polk County	1.1 Miles E of JCT Ia 141	1958	Culvert	27 ft	81,600	Fair
I 35 over Trib to Four Mile Creek No. 000000000700770	Polk County	0.8 Mi. N of E 1st ST	2018	Culvert	39 ft	58,300	Good
I-35 over Ballard Creek No. 000000000049150	Story County	1.9 Miles N of JCT Ia 210	1964	Culvert	44 ft	48,300	Fair
I-35 over Walnut Creek No. 000000000049170	Story County	4.2 Miles N of JCT Ia 210	1964	Culvert	51 ft	48,300	Fair
I 35 over South Skunk Rvr Overflow No. 000000000700680	Story County	1.9 Mi. S of US 30	2017	Culvert	66 ft	48,300	Good
I 35 over Otter Creek No. 000000000041851	Polk County	1.8 Mi. S of NE 126th Ave	2012	Culvert	32 ft	47,500	Good
I-80 over Stream No. 000000000018530	Cedar County	0.7 Mi. E of Jct. SR X30	1960	Culvert	38 ft	39,700	Fair
I-80 over Stream No. 000000000018540	Cedar County	1.2 Mi. E of Jct. SR X30	1960	Culvert	23 ft	39,700	Fair
I-80 over Middle Wapsinonoc Creek No. 000000000018560	Cedar County	1.97 Mi. W of S.R. X40	1960	Culvert	52 ft	39,700	Fair
I-80 over Mud Creek No. 000000000042070	Polk County	2.3 Miles E of JCT US 6	1959	Culvert	52 ft	39,400	Fair
I-80 over Drainage Ditch No. 000000000018680	Cedar County	1.0 Mi. E of E Jct. Ia 38	1959	Culvert	39 ft	36,000	Fair
I-80 over Little Elkhorn Creek No. 000000000018700	Cedar County	2.9 Mi. E of E Jct. Ia 38	1959	Culvert	52 ft	36,000	Fair
I-80 over Drainage Ditch No. 000000000018720	Cedar County	0.7 Mi. W of Jct. SR Y26	1960	Culvert	25 ft	36,000	Fair
I-80 over Drainage Ditch No. 000000000047650	Scott County	3.9 Mi. E of Jct. I-74	1963	Culvert	33 ft	34,600	Fair
I-80 over Stream No. 000000000047690	Scott County	2.7 Mi. W of Jct. US 67	1963	Culvert	25 ft	34,600	Fair
I-80 over Clear Creek No. 000000000029890	Iowa County	0.8 Mi. E of Jct. Ia 149	1963	Culvert	21 ft	33,800	Good
US 20 over N Branch Catfish Creek No. 000000000023860	Dubuque County	1.7 Mi. E of Jct. Ia 32	1939	Culvert	38 ft	33,600	Fair
I-80 over Drainage Ditch No. 000000000030990	Jasper County	3.5 Miles E of JCT Ia 117	1959	Culvert	34 ft	33,400	Fair
I 80 over Stream No. 000000000029920	Iowa County	0.7 Mi. E of Jct. US 151	1963	Culvert	46 ft	33,000	Fair
I 29 Ia 12 over Drainage-All of Roadway No. 000000000053830	Woodbury County	0.1 Mi. S of Jct. US 77	1957	Culvert	52 ft	32,900	Fair
US 69 over Yeader Creek No. 000000000040491	Polk County	3.8 Miles S of JCT I-235	1984	Culvert	44 ft	32,600	Good
US 218 over Deer Creek No. 000000000605565	Johnson County	0.9 Mi. S of Jct. I-80	1970	Culvert	33 ft	32,400	Good
I-80 over Panther Creek No. 000000000022250	Dallas County	0.6 Mi. W of SR P58 & F90	1965	Culvert	21 ft	32,100	Good
I-80 over Drainage Ditch No. 000000000047640	Scott County	3.8 Mi. East of Jct. I-74	1963	Culvert	46 ft	31,600	Fair
I-80 over No Name Creek No. 000000000604750	Iowa County	2.4 Mi. W of Jct. Ia 149	1963	Culvert	32 ft	31,400	Fair
I-80 over Crow Creek No. 000000000047580	Scott County	2.6 Mi. E of Jct. US 61	1963	Culvert	52 ft	31,400	Fair
I 80 & US 6 over Little Mosquito Creek No. 000000000045250	Pottawattamie County	1.6 Mi. W of Jct. U.S. 6	1966	Culvert	40 ft	31,100	Fair
I-80 over Elk Creek No. 000000000031160	Jasper County	4.2 Miles W of JCT Ia 224	1961	Culvert	39 ft	30,500	Fair
I-80 over Drainage Ditch No. 000000000031170	Jasper County	3.7 Mi. W of Jct. Ia 224	1961	Culvert	32 ft	30,500	Fair
I-80 over Stream No. 000000000029840	Iowa County	0.4 Miles W of JCT Ia 149	1962	Culvert	24 ft	30,300	Fair
I-80 over Old Mans Creek No. 000000000029800	Iowa County	4.0 Mi. W of Jct. 149	1962	Culvert	42 ft	30,100	Fair
I-80 over Stream No. 000000000029760	Iowa County	1.7 Miles W of JCT SR V52	1961	Culvert	22 ft	29,700	Good
I-80 over Bear Creek No. 000000000022220	Dallas County	1.1 Mi. W of Jct. SR P-57	1965	Culvert	21 ft	29,500	Good
US 61 over Crow Creek No. 000000000604695	Scott County	2.2 Mi. N of Jct. I-80	1981	Culvert	26 ft	29,300	Good
US 30 151 & 218 over Creek No. 000000000604200	Linn County	0.1 Mi. W of E Jct. 218	1975	Culvert	27 ft	28,500	Fair
I-80 over N.Fk. English River No. 000000000046090	Poweshiek County	1.9 Mi. E of Jct. Ia 146	1963	Culvert	33 ft	28,500	Fair
I-80 over No Fork English River No. 000000000046120	Poweshiek County	3.2 Mi. E of JCT Ia 146	1963	Culvert	25 ft	28,500	Fair
I-35 over Drainage Ditch No. 000000000049380	Story County	1.2 Miles N of JCT SR E15	1967	Culvert	22 ft	28,300	Good
US 6 over Cow Creek No. 000000000046840	Scott County	0.6 Mi. W of Jct. I-74	1936	Culvert	31 ft	28,000	Fair
I-80 over Drainage Ditch No. 000000000013280	Adair County	1.7 Mi. E of Jct. SR P-28	1959	Culvert	26 ft	27,600	Fair
I-80 over Drainage Ditch No. 000000000013300	Adair County	0.9 Mi. W of SR P48	1959	Culvert	40 ft	27,600	Fair
US 6 over Ralston Creek No. 000000000031580	Johnson County	0.3 Mi. E of E Jct. Ia #1	1957	Culvert	33 ft	27,600	Fair
I-80 over Drainage Ditch No. 000000000034850	Madison County	1.0 Mi. W of Jct. SR P-53	1959	Culvert	50 ft	27,600	Fair
I 35 over Drainage Ditch No. 000000000604870	Hamilton County	0.8 Mile S of JCT Ia 175	1966	Culvert	24 ft	27,200	Fair
E University over Small Creek No. 000000000609410	Polk County	078230600	2003	Culvert	21 ft	27,200	Good
Ia 415 over Drainage Ditch No. 000000000041091	Polk County	0.5 Mi. S of Jct. Ia 160	1983	Culvert	37 ft	27,000	Good
I 35 over Stream No. 000000000605610	Hamilton County	0.3 Mile North of SR D65	1965	Culvert	24 ft	26,900	Good
I-80 over North River No. 000000000013230	Adair County	3.1 Mi. E of Jct. Ia 25	1958	Culvert	58 ft	25,900	Fair
I-80 over Plunger Creek No. 000000000013250	Adair County	1.1 Mi. W of Jct. SR P28	1959	Culvert	32 ft	25,900	Fair
I-80 over Middle River No. 000000000013140	Adair County	3.3 Mi. E of SR N-54	1958	Culvert	51 ft	24,800	Fair
I-80 over Drainage Ditch No. 000000000013180	Adair County	2.7 Mi. W of Jct. Ia 25	1958	Culvert	32 ft	24,800	Fair
I-35 over Drainage Ditch No. 000000000051420	Warren County	5.2 Mi. N of Jct. Ia 92	1957	Culvert	28 ft	24,700	Good
I-280 over Lake Overflow No. 000000000600630	Scott County	1.1 Mi. W of Jct. US 61	1972	Culvert	38 ft	24,200	Fair
I-80 over Bedell Creek No. 000000000045610	Pottawattamie County	2.9 Mi. E of Jct. US 59	1965	Culvert	24 ft	23,800	Fair
US 30 over Worrell Creek No. 000000000048672	Story County	2.0 Mi. W of Jct. U.S. 69	1971	Culvert	39 ft	23,700	Good
I-80 over Stream No. 000000000045650	Pottawattamie County	1.6 Mi. E of Jct. SR M-47	1965	Culvert	40 ft	23,600	Fair
I-80 over Camp Creek No. 000000000018000	Cass County	1.7 Mi. W. of Jct. Ia 173	1965	Culvert	37 ft	23,500	Fair
I-80 over Stream No. 000000000013080	Adair County	0.8 Mi. W of Jct. SR G-30	1958	Culvert	28 ft	23,300	Fair
I-80 over Drainage Ditch No. 000000000018130	Cass County	0.3 Mi. E of Jct. SR N-28	1959	Culvert	23 ft	23,000	Fair
I 80 over Drainage Ditch No. 000000000045480	Pottawattamie County	0.3 Mi. W of SR M-16	1966	Culvert	24 ft	23,000	Fair
I-80 over Stream No. 000000000045640	Pottawattamie County	0.3 Mi. E of Jct. SR M47	1965	Culvert	33 ft	22,600	Fair
US 30 & 151 over Drainage Ditch No. 000000000607120	Linn County	0.3 Mi. E of Jct. I-380	1975	Culvert	33 ft	22,500	Fair
I-80 over Stream No. 000000000018050	Cass County	0.3 Mi. E of Jct. SR N-16	1965	Culvert	27 ft	22,400	Fair
US 151 over Creek No. 000000000607515	Linn County	2.5 Mi. S of Jct. Ia 100	1960	Culvert	24 ft	22,400	Fair
I-35 over Calmus Creek No. 000000000019260	Cerro Gordo County	0.7 Mi. N of Jct. SR B20	1970	Culvert	27 ft	21,400	Fair
I 380 over Drainage Ditch No. 000000000605130	Benton County	0.5 Mi. S of Jct. Ia 150	1982	Culvert	35 ft	21,300	Good
I 35 over Broad Horn Creek No. 000000000051250	Warren County	1.0 Mi. N of SR G-64	1957	Culvert	50 ft	21,000	Fair
I-35 over Drainage Ditch No. 000000000051270	Warren County	5.7 Mi. S of Jct. Ia 92	1958	Culvert	25 ft	21,000	Fair
Ia 27 over Br Dry Run Creek No. 000000000601255	Black Hawk County	2.9 Mi. S Jct. U.S. 218	1993	Culvert	33 ft	20,900	Good
I 29 over Drainage Ditch No. 000000000044961	Pottawattamie County	2.4 Miles South I-880	2022	Culvert	34 ft	20,600	Good
I 29 over Drainage Ditch No. 000000000044981	Pottawattamie County	1.6 Miles South I-880	2022	Culvert	26 ft	20,600	Good
I 29 over Drainage Ditch No. 000000000045011	Pottawattamie County	0.5 Miles South I-880	2022	Culvert	24 ft	20,600	Good
I-35 over Drainage Ditch No. 000000000600160	Worth County	3.3 Mi. N of Jct. 9	1972	Culvert	25 ft	20,600	Good
US 6 over Drainage Ditch No. 000000000040395	Polk County	0.9 Mile W of W JCT Ia 28	1937	Culvert	36 ft	20,500	Fair
I-35 over Goose Creek No. 000000000600240	Worth County	3.3 Mi. N County Road 105	1972	Culvert	29 ft	20,100	Fair
I-29 over Fulsom Lake Outlet No. 000000000700155	Mills County	1.7 Mi. N of N Jct. US 34	2010	Culvert	22 ft	19,700	Good
86th ST over N Walnut Creek No. 000000000011460	Polk County	O62400495	1968	Culvert	51 ft	19,687	Fair
Ia 1 over Drainage Ditch No. 000000000031711	Johnson County	0.6 Mi. N of Jct. US 218	1949	Culvert	52 ft	19,000	Fair
Ia 122 over Cheslea Creek No. 000000000018791	Cerro Gordo County	1.2 Mi. W of US 65	2010	Culvert	40 ft	18,800	Good
US 218 over Drainage Ditch No. 000000000700750	Bremer County	0.5 Mi. S of Jct. SR C50	2012	Culvert	29 ft	18,700	Good
I-35 over Drainage Ditch No. 000000000020200	Clarke County	0.7 Mi. S. of JCT.152	1957	Culvert	35 ft	18,600	Fair
US 20 US 52 over Drainage Ditch No. 000000000605960	Dubuque County	0.8 Mi. E of Jct. SR Y21	1957	Culvert	24 ft	18,500	Fair
Ia 906 over Indian Creek No. 000000000604335	Pottawattamie County	3.1 Mi. W of I-80	1981	Culvert	22 ft	18,500	Fair
Kanesville Bvld over Indian Creek No. 000000000505630	Pottawattamie County	North Kanesville Crossing	1980	Culvert	53 ft	18,400	Fair
US 75 over Stream No. 000000000607675	Plymouth County	0.1 MI S of Jct. SR C80	1999	Culvert	27 ft	18,200	Fair
US 75 over Stream No. 000000000607670	Woodbury County	1.2 Mi. N of S.R. D12	1999	Culvert	21 ft	18,200	Good
I-35 over Drainage Ditch No. 000000000602280	Cerro Gordo County	0.4 Mi. N of Jct. SR B60	1972	Culvert	22 ft	18,100	Good
I-380 over Prairie Creek No. 000000000605430	Benton County	3.2 Mi. N of Ia. 150	1983	Culvert	25 ft	17,900	Good
I-380 over Mud Creek No. 000000000605480	Buchanan County	1.4 Mi. S of Jct. SR V65	1983	Culvert	34 ft	17,700	Good
I-35 over Drainage Ditch No. 000000000602270	Cerro Gordo County	At the Jct. SR B60	1972	Culvert	28 ft	17,700	Fair
I-35 over Drainage Ditch No. 000000000602230	Cerro Gordo County	1.6 Mi. N of Jct. SR C13	1971	Culvert	22 ft	17,600	Fair
I 35 over Drainage Ditch No. 000000000602240	Cerro Gordo County	0.5 Mi. S of Jct. SR B65	1972	Culvert	22 ft	17,600	Fair
US 61 over Dd #15 No. 000000000604510	Clinton County	2.4 Mi. S of S Jct. US 30	1981	Culvert	26 ft	17,600	Good
I-35 over Tuttle Creek No. 000000000026760	Hamilton County	0.2 Mile N of JCT US 20	1967	Culvert	26 ft	17,400	Fair
I-35 over Drainage Ditch No. 000000000602520	Franklin County	1.0 Mi. N of SR C13	1972	Culvert	21 ft	17,300	Good
I-35 over Willow Creek No. 000000000019220	Cerro Gordo County	0.2 Miles S of N Jct. 18	1971	Culvert	28 ft	17,200	Fair
I-380 over Stream No. 000000000605505	Black Hawk County	2.5 Mi. N of Jct. SR V65	1984	Culvert	33 ft	17,100	Good
I-35 over Drainage Ditch No. 000000000602430	Franklin County	2.1 Mi. N of Jct. Ia 3	1973	Culvert	25 ft	17,000	Good
I-35 over Drainage Ditch No. 000000000602490	Franklin County	1.1 Mi. S of SR C13	1972	Culvert	38 ft	16,900	Fair
Elmore Ave over Pheasant Creek No. 000000000504240	Scott County	000000000	1994	Culvert	40 ft	16,900	Good
I-35 over Drainage Ditch 23 & 31 No. 000000000603890	Hamilton County	1.0 Mile N of JCT SR D20	1972	Culvert	21 ft	16,600	Good
E.53rd St. over Pheasant Creek No. 000000000504100	Scott County	000000000	1990	Culvert	23 ft	15,462	Good
US 30 & 218 over Stream No. 000000000014291	Benton County	0.3 Mi. E of Jct. SR W28	1991	Culvert	23 ft	15,400	Fair
I-35 over Stream No. 000000000602505	Franklin County	0.1 Mi. N of Jct. Ia 3	1974	Culvert	21 ft	15,300	Fair
Ia 27/58 over Dry Run Creek No. 000000000601480	Black Hawk County	0.4 Mi. N Jct. University	1994	Culvert	34 ft	15,100	Good
I-35 over Drainage Ditch NO.48 No. 000000000602445	Franklin County	0.3 MI S of SR C47	1974	Culvert	26 ft	15,100	Good
1st Ave over Ralston Creek S. Branch No. 000000000504420	Johnson County	079061300	1997	Culvert	37 ft	14,992	Good
US 75 over Stream No. 000000000700915	Plymouth County	0.1 Mi. N of SR C70	2019	Culvert	25 ft	14,900	Good
US 75 over Stream No. 000000000700920	Plymouth County	0.3 MI N of SR C70	2019	Culvert	25 ft	14,900	Good
US 75 over Stream No. 000000000700955	Plymouth County	0.7 MI N of SR C70	2019	Culvert	25 ft	14,900	Good
US 75 over Stream No. 000000000700995	Plymouth County	1.5 Mi. S of SR C60	2019	Culvert	25 ft	14,900	Good
US 218 over Whiskey Run Creek No. 000000000605570	Washington County	0.5 Mi. N of Jct. SR G-36	1984	Culvert	23 ft	14,900	Fair
US 218 over Stream No. 000000000605585	Washington County	1.8 Mi. S 0F JCT Ia 22	1984	Culvert	29 ft	14,900	Fair
Ia 116 over Dry Run Creek No. 000000000604462	Bremer County	0.1 Mi.S.Of JCT.3	2015	Culvert	45 ft	14,800	Good
US 30 over Davisons Creek No. 000000000035340	Marshall County	1.4 Miles W of JCT Ia 146	1954	Culvert	52 ft	14,700	Fair
Park Ave over Frink Creek No. 000000000003683	Polk County	078252400	1997	Culvert	52 ft	14,599	Good
US 20 over Stream No. 000000000607695	Grundy County	2.0 Miles East of SR T55	1999	Culvert	21 ft	14,500	Good
US 18 over Willow Creek No. 000000000018740	Cerro Gordo County	0.3 Mi. W of Jct. I-35	1952	Culvert	35 ft	14,400	Fair
E 53rd ST over Deere Creek No. 000000000503840	Scott County	000000000	1977	Culvert	30 ft	14,156	Fair
Jordan CR Pkwy over Creek No. 000000000504865	Dallas County	000000000	2003	Culvert	38 ft	14,127	Fair
US 151 over Drainage Ditch No. 000000000032210	Jones County	1.7 Mi. N of Jct. Ia 1	1964	Culvert	22 ft	14,100	Fair
Ia 100 over Wanatee Creek No. 000000000601670	Linn County	0.4 Mi. W of Jct. Ia 13	1995	Culvert	46 ft	14,000	Fair
US 75 over Dry Creek No. 000000000039442	Plymouth County	1.9 Mi. N of Jct. SR C60	2023	Culvert	26 ft	14,000	Good
US 75 over Dry Creek No. 000000000039462	Plymouth County	2.3 Mi. N of SR C60	2023	Culvert	25 ft	14,000	Good
US 75 over Dry Creek No. 000000000039502	Plymouth County	3.4 Mi. N of JCT SR C60	2023	Culvert	26 ft	14,000	Good
US 75 over Drainage Ditch No. 000000000039522	Plymouth County	2.6 Mi. S of SR C44	2023	Culvert	38 ft	14,000	Good
US 75 over Dry Creek No. 000000000039541	Plymouth County	2.0 MI S of SR C44	1972	Culvert	25 ft	14,000	Good
US 75 over Flat Creek No. 000000000039582	Plymouth County	1.2 Mi. S of SR C44	2023	Culvert	25 ft	14,000	Good
US 30 over Richards Creek No. 000000000048770	Story County	0.1 Mile East of JCT I-35	1963	Culvert	21 ft	14,000	Good
Ia 27 & Ramps over Dry Run Creek No. 000000000601270	Black Hawk County	2.1 Mi. S of Jct. US 218	1993	Culvert	36 ft	13,800	Good
US 65 over Mud Creek No. 000000000040561	Polk County	In Bondurant	1974	Culvert	39 ft	13,800	Good
US 218 over Drainage No. 000000000606875	Washington County	0.8 Mi. N of SR G-62	1997	Culvert	21 ft	13,800	Good
60th ST over Jordon Creek No. 000000000504195	Polk County	P60800590	1992	Culvert	38 ft	13,750	Good
US 20 over Stream No. 000000000607700	Grundy County	2.7 Miles W of JCT SR T55	1999	Culvert	31 ft	13,500	Good
US 218 over Spring Creek No. 000000000028530	Henry County	2.7 Mi. N of N Jct. US 34	1967	Culvert	25 ft	13,300	Fair
US 218 over Little Potomac No. 000000000028540	Henry County	1.5 MI S of SR H28	1958	Culvert	52 ft	13,300	Fair
Boyson RD over Tributary of Dry Creek No. 000000000505205	Linn County	084073500	1976	Culvert	44 ft	13,287	Fair
Ia 92 over Natural Creek No. 000000000043770	Pottawattamie County	0.3 Mi. E of SR L-35	1953	Culvert	29 ft	13,000	Fair
Mormon Trk Blvd over Willow Creek No. 000000000501190	Johnson County	079061700	1971	Culvert	21 ft	12,954	Fair
US 20 over Dry Run Creek No. 000000000605625	Black Hawk County	0.3 Mi. W of Jct. Ia 58	1985	Culvert	45 ft	12,700	Good
E.P.True Parkwy over Jordon Creek No. 000000000501041	Polk County	000000000	1986	Culvert	58 ft	12,612	Fair
US 20 US 52 over Drainage Ditch No. 000000000023810	Dubuque County	0.3 Mi. W Jct. SR Y21	1960	Culvert	27 ft	12,500	Good
US 63 over Nenebec Creek No. 000000000035071	Mahaska County	0.2 Mi. N of Jct. SR G71	1998	Culvert	20 ft	12,500	Fair
US 218 over Big Slough Creek No. 000000000606880	Washington County	3.8 Mi. S of Jct. Ia 92	1997	Culvert	37 ft	12,400	Good
US 151 over Unnamed Creek No. 000000000608475	Jones County	2.0 Mi. S of Jct. SR X44	2001	Culvert	43 ft	12,200	Good
Ia 163 over Muchakinok Creek No. 000000000607370	Mahaska County	1.2 Miles E of JCT SR G5T	1997	Culvert	29 ft	12,200	Fair
Meredith DR over N Walnut Creek No. 000000000281481	Polk County	O39400540	1989	Culvert	82 ft	12,150	Fair
US 30 over Stream No. 000000000607510	Linn County	2.5 Mi. W of Jct. Ia #1	1951	Culvert	24 ft	12,000	Fair
Valley West Drive over Jordan Creek No. 000000000503780	Polk County	000000000	1984	Culvert	61 ft	11,678	Fair
Ia 461 & Bikepath over Drainage Ditch No. 000000000046900	Scott County	1.8 Mi. N of Jct. Ia 22	1957	Culvert	22 ft	11,500	Fair
US 30 over Stream No. 000000000049481	Tama County	1.6 Miles E of E JCT T47	1996	Culvert	26 ft	11,500	Good
Ep True Parkway over Jordon Creek No. 000000000504120	Polk County	P27050490	1990	Culvert	23 ft	11,432	Fair
US 71 over Br of Little Meadow Crk No. 000000000606065	Clay County	0.8 Mi. N of N Jct. US 18	1990	Culvert	42 ft	11,400	Fair
US 6 over Drainage No. 000000000701285	Johnson County	0.48 MI W of I380	1948	Culvert	25 ft	11,400	Fair
Ia 141 over Drainage No. 000000000604810	Dallas County	0.3 Mile W of Jct. Ia 17	1973	Culvert	37 ft	11,300	Fair
US 18 over Stewart Creek No. 000000000024931	Floyd County	3.0 Mi. W of W JCT US 218	1998	Culvert	40 ft	11,200	Good
US 20 & Ia 17 over Waterway No. 000000000604330	Hamilton County	2.1 MI E of W JCT Ia 17	1977	Culvert	21 ft	11,200	Fair
US 65 over Drainage Ditch No. 000000000030531	Jasper County	1.3 Mi. S of Jct. Ia 117	1978	Culvert	21 ft	11,100	Good
Main ST over SW Br Dry Run Creek No. 000000000014901	Black Hawk County	Btwn Univ. and Seerley	2023	Culvert	51 ft	10,989	Good
US 218 over Drainage Ditch No. 000000000608305	Bremer County	0.1 North of Jct. SR C13	2001	Culvert	52 ft	10,900	Good
US 18 & 218 over Stewart Creek No. 000000000024941	Floyd County	0.5 Mi. E of W Jct. US218	1998	Culvert	38 ft	10,900	Good
US 20 over Drainage No. 000000000604960	Black Hawk County	2.4 Mi. E of E Jct. I-380	1980	Culvert	28 ft	10,700	Fair
US 20 over Drainage Ditch No. 000000000604970	Black Hawk County	1.3 Mi. W of Jct. SR V65	1980	Culvert	33 ft	10,700	Fair
US 20 over Drainage Ditch No. 000000000604895	Buchanan County	0.4 Mi. W of Jct. SR V65	1980	Culvert	25 ft	10,700	Good
US 18 over Drainage Ditch No. 000000000607350	Floyd County	0.3 Mi. W of Jct. SR T24	1998	Culvert	26 ft	10,700	Good
33rd Ave SW over Unnamed Tributary No. 000000000505290	Linn County	000000000	2006	Culvert	24 ft	10,700	Good
US 61 over Stream No. 000000000606340	Clinton County	3.9 Mi. N of N Jct. US 30	1996	Culvert	29 ft	10,600	Good
US 6 over Stream No. 000000000031500	Johnson County	1.5 Mi. W of Jct. SR 965	1960	Culvert	21 ft	10,500	Good
US 75 over Stream No. 000000000607680	Woodbury County	0.1 Mi. N of 46 ST./D12	2000	Culvert	22 ft	10,400	Good
Ave H over French Creek No. 000000000033161	Lee County	067040401	1983	Culvert	35 ft	10,382	Fair
Greenhill RD over Stream No. 000000000504230	Black Hawk County	000000000	1990	Culvert	25 ft	10,300	Good
Floyd Blvd over Creek No. 000000000010841	Woodbury County	000000000	2007	Culvert	29 ft	10,300	Good
Cedar Heights DR over Drainage No. 000000000001184	Black Hawk County	000000000	1983	Culvert	29 ft	10,200	Good
US 20 over Drainage No. 000000000604955	Black Hawk County	1.9 Mi. E of E Jct. I-380	1980	Culvert	32 ft	10,200	Fair
US 61 over Brush Creek No. 000000000601965	Des Moines County	0.5 Mi. S of SR X62	1995	Culvert	44 ft	10,200	Good
US 218 over Stream No. 000000000608825	Floyd County	0.6 Mi. N of Jct. SR B-60	2001	Culvert	34 ft	10,200	Fair
US 20 over Drainage Ditch No. 000000000604910	Buchanan County	4.6 Mi. W of W Jct. IA150	1980	Culvert	21 ft	10,100	Good
US 20 over Drainage Ditch No. 000000000604915	Buchanan County	4.2 Mi. W of Jct. Ia 150	1980	Culvert	26 ft	10,100	Fair
US 63 over Brown Creek No. 000000000050791	Wapello County	1.9 Mi. S of Jct. Ia 137	1988	Culvert	32 ft	10,100	Fair
Douglas Ave over N Walnut Creek No. 000000000011430	Polk County	O37600434	1960	Culvert	51 ft	10,078	Fair
Mormon Trk Blvd over Willow Creek No. 000000000504495	Johnson County	079061700	2000	Culvert	22 ft	10,001	Good
US 218 over Bloody Run No. 000000000607430	Floyd County	5.7 Miles S Jct. Ia 14	1999	Culvert	33 ft	10,000	Good
US 218 over Stream No. 000000000607560	Floyd County	5.1 Miles S of Jct. Ia 14	1998	Culvert	25 ft	10,000	Good
US 151 over Drainage Ditch #2 No. 000000000033801	Linn County	0.6 Mi. South of US 30	2020	Culvert	64 ft	9,900	Good
US 61 over Stream No. 000000000606380	Clinton County	0.5 Mi. N of Jct. Ia 136	1996	Culvert	46 ft	9,800	Good
US 20 over Drainage No. 000000000608310	Hardin County	1.8 Miles E of Jct. US 65	2003	Culvert	25 ft	9,800	Good
Ia 461 over Black Hawk Creek No. 000000000046890	Scott County	1.3 Mi. E of Iowa #22	1957	Culvert	52 ft	9,800	Fair
US 67 over Pigeon Creek No. 000000000047071	Scott County	4.1 Mi. S of Jct. I-80	1995	Culvert	23 ft	9,800	Fair
US 67 over E. Pigeon Creek No. 000000000047081	Scott County	4.0 Mi. S of Jct. I-80	1995	Culvert	21 ft	9,800	Good
US 20 over Holliday Creek No. 000000000605750	Webster County	1.0 Mi. E of SR P39	1986	Culvert	24 ft	9,800	Good
S 16th ST (isu) over Worrell Creek No. 000000000500760	Story County	0.1 Mile E of Univ Blvd	1974	Culvert	40 ft	9,754	Good
US 218 over Trib to Shell Rock River No. 000000000601775	Bremer County	2.0 Mi. S Jct. Iowa #3	1996	Culvert	25 ft	9,700	Good
US 20 over Stream No. 000000000023120	Delaware County	6.3 Mi. E of Jct. Ia 38	1963	Culvert	21 ft	9,700	Fair
Central Ave over Union Hollow No. 000000000023960	Dubuque County	At Jct. Iowa #32	1967	Culvert	27 ft	9,690	Good
US 61 over Stream No. 000000000606355	Clinton County	6.7 Mi. N of N Jct. US 30	1996	Culvert	26 ft	9,600	Good
Ia 141 over Drainage Ditch No. 000000000607200	Dallas County	0.4 Mi. E of Jct. US 169	1978	Culvert	30 ft	9,600	Fair
US 20 over Drainage Ditch #4 No. 000000000026590	Hamilton County	0.7 Mile E of JCT US 69	1968	Culvert	25 ft	9,600	Good
US 20 over Drainage Ditch #4 No. 000000000026600	Hamilton County	1.8 Miles East of US 69	1968	Culvert	25 ft	9,600	Fair

Counties with the most

Sioux County	172
Fayette County	171
Polk County	136
Black Hawk County	113
Lyon County	109
Johnson County	105
Benton County	103
Grundy County	95
Dubuque County	93
Buchanan County	89

Looking for a specific bridge? Use the search on the Iowa page and filter by type.