Boone County, Iowa bridges

Boone County has 134 bridges and culverts in the National Bridge Inventory, the oldest built in 1900. 38 (28%) are rated poor. The most common type is stringer/multi-beam or girder (43%).

Bridges: 134
Good: 28%
Fair: 43%
Poor: 28%; 38 bridges
Average age: 67.7 yrs
Posted or closed: 35

Map of bridges in Boone County

Green good, amber fair, red poor. Click a marker for details.

Search bridges in Boone County

Type at least two characters, or pick a condition or type, to search every bridge in the county.

Condition

Good28%(38)

Fair43%(58)

Poor28%(38)

When they were built

Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

US 30 over Noah Creek
8,800 vehicles/day
Fair
US 30 over Honey Creek
8,800 vehicles/day
Fair
US 30 & 169 over East Beaver Creek
5,900 vehicles/day
Good
Ia 17 over Big Creek
5,300 vehicles/day
Fair
Ia 17 over US 30
4,960 vehicles/day
Fair

Longest

Ia 210 over Des Moines River
1,021 ft
Fair
US 30 WB over Des Moines River
724 ft
Fair
FM over Des Moines River
724 ft
Fair
FM over Des Moines River
723 ft
Poor
FM over Des Moines River
703 ft
Poor

Oldest

Local over Big Creek
Built 1900
Poor
Local over Trib.Des Moines River
Built 1900
Poor
FM over Bluff Creek
Built 1900
Fair
Local over Trib Des Moines River
Built 1900
Fair
Local over Big Creek
Built 1900
Fair

All bridges in Boone County

Busiest first · showing 1–134 of 134

Bridges in Boone County
Bridge	Location	Built	Type	Length	Daily traffic	Condition
US 30 over Noah Creek No. 000000000015190	At Junction With SR R18	1962	Culvert	24 ft	8,800	Fair
US 30 over Honey Creek No. 000000000015222	0.7 Mi. W of Jct. SR R23	1962	Culvert	21 ft	8,800	Fair
US 30 & 169 over East Beaver Creek No. 000000000015170	1.2 Mi. W of E JCT US 169	1962	Culvert	21 ft	5,900	Good
Ia 17 over Big Creek No. 000000000015330	1.9 Miles S of JCT US 30	1961	Culvert	33 ft	5,300	Fair
Ia 17 over US 30 No. 000000000015340	At Junction With US 30	1968	Stringer/Multi-beam or Girder	279 ft	4,960	Fair
US 30 EB over Des Moines River No. 000000000015200	1.3 Miles E of JCT SR R18	1963	Girder and Floorbeam System	659 ft	4,400	Fair
US 30 WB over Des Moines River No. 000000000015210	1.3 Miles E of JCT SR R18	1963	Girder and Floorbeam System	724 ft	4,350	Fair
US 30 over Beaver Creek No. 000000000015151	1.1 Mi. W of Jct. SR P54	2008	Slab	150 ft	3,950	Good
US 30 over Middle Beaver Creek No. 000000000015161	0.5 Mi. W of W JCT US 169	2016	Culvert	33 ft	3,950	Good
US 169 over US 30 No. 000000000015260	At Junction With US 30	1971	Stringer/Multi-beam or Girder	261 ft	3,570	Fair
US 169 over Stream No. 000000000015240	3.5 Miles N of JCT Ia 141	1936	Culvert	21 ft	3,370	Fair
US 169 over Little Beaver Creek No. 000000000015251	4.6 Miles North of Ia 141	1984	Culvert	32 ft	3,370	Good
US 169 over Stream No. 000000000605905	4.7 Mi. S of S Jct. US 30	1935	Culvert	21 ft	3,370	Good
Ia 17 over UP RR & 210th ST No. 000000000701055	1.2 Mi. N. of US 30	2021	Stringer/Multi-beam or Girder	424 ft	3,260	Good
Ia 210 over Stream No. 000000000605880	In Madrid	1989	Culvert	26 ft	2,880	Good
Ia 17 over Prairie Creek No. 000000000015351	2.4 Miles N of JCT SR E26	1979	Culvert	28 ft	2,380	Fair
Ia 17 over Montgomery Creek No. 000000000015361	2.6 Miles S of JCT SR E18	1979	Stringer/Multi-beam or Girder	171 ft	2,380	Fair
Ia 17 over Branch Ioway Creek No. 000000000015371	1.8 Miles N of JCT SR E18	1979	Culvert	26 ft	2,380	Good
Ia 210 over Trib of Big Creek No. 000000000076950	1.4 Mi. E of E Jct. Ia 17	1966	Culvert	26 ft	2,230	Fair
Ia 210 over Big Creek No. 000000000076960	3.3 Miles E of JCT Ia 17	1937	Stringer/Multi-beam or Girder	105 ft	2,230	Fair
EB Ia 930 over US 30 No. 000000000015225	At Jct. U.S. 30	1972	Stringer/Multi-beam or Girder	407 ft	2,050	Fair
Ia 210 over Des Moines River No. 000000000015381	0.4 Mile East of SR E62	1973	Stringer/Multi-beam or Girder	1,021 ft	2,040	Fair
US 169 over UP RR No. 000000000015271	0.2 Mile N of N JCT US 30	1984	Stringer/Multi-beam or Girder	179 ft	1,890	Fair
US 169 over Branch Beaver Creek No. 000000000015280	1.0 Mile N of W JCT US 30	1967	Slab	34 ft	1,890	Fair
US 169 over Middle Beaver Creek No. 000000000015290	1.5 MI N of W JCT US 30	1932	Slab	32 ft	1,890	Good
US 169 over Branch Beaver Creek No. 000000000015300	1.9 MI N of W JCT US 30	1967	Slab	34 ft	1,890	Fair
Ia 144 over Stream No. 000000000606165	0.4 Miles N of JCT SR P54	1941	Culvert	21 ft	1,690	Fair
E 41 over Des Moines River No. 000000000015421	084273607	2000	Stringer/Multi-beam or Girder	689 ft	1,526	Good
FM over Ioway Creek No. 000000000078180	085252201	1963	Stringer/Multi-beam or Girder	155 ft	1,108	Fair
FM over Des Moines River No. 000000000077801	084271307	1980	Stringer/Multi-beam or Girder	724 ft	1,028	Fair
X Avenue over US 30 No. 000000000015227	2.2 Miles West of SR R38	1973	Stringer/Multi-beam or Girder	282 ft	1,008	Fair
FM over Big Creek No. 000000000077341	083253301	1992	Slab	91 ft	977	Fair
FM over Bluff Creek No. 000000000078381	085272902	1987	Slab	91 ft	977	Fair
FM over Bluff Creek No. 000000000078400	085273202	1965	Slab	104 ft	977	Fair
FM over Des Moines River No. 000000000077405	083262905	1972	Girder and Floorbeam System	723 ft	769	Poor
FM over Bluff Creek No. 000000000015400	085272001	1957	Stringer/Multi-beam or Girder	31 ft	718	Poor
FM over Des Moines River No. 000000000078350	085271403	1955	Stringer/Multi-beam or Girder	574 ft	709	Poor
Main ST over Pcc Trail No. 000000000007481	000000000	1999	Arch - Deck	21 ft	590	Fair
FM over Worrell Creek No. 000000000077281	083251302	1985	Culvert	25 ft	518	Fair
FM over Bluff Creek No. 000000000077780	084270801	1956	Stringer/Multi-beam or Girder	71 ft	478	Fair
FM E-41 over Stream No. 000000000362705	083270604	1970	Culvert	22 ft	450	Fair
E26 170th ST over Beaver Creek No. 000000000077901	084280901	2016	Culvert	27 ft	359	Good
FM over Beaver Creek No. 000000000077190	082280301	1948	Stringer/Multi-beam or Girder	183 ft	279	Fair
FM over Trib. of Beaver Creek No. 000000000077210	082280305	1948	Culvert	24 ft	279	Poor
CO RD over Des Moines River No. 000000000005370	084270206	1955	Stringer/Multi-beam or Girder	607 ft	265	Fair
FM over Beaver Creek No. 000000000077510	083281604	1973	Slab	125 ft	219	Fair
FM over Ioway Creek No. 000000000077671	084251201	2002	Stringer/Multi-beam or Girder	176 ft	170	Good
FM over Beaver Creek No. 000000000077261	082283409	1920	Stringer/Multi-beam or Girder	104 ft	139	Fair
Montona RD over Honey Creek No. 000000000077351	083260714	2017	Slab	130 ft	110	Good
Local over Ioway Creek No. 000000000077600	084250101	1952	Slab	126 ft	100	Fair
150th ST over Trib of Ioway Creek No. 000000000078271	085253601	2024	Culvert	26 ft	100	Good
Local over Big Creek No. 000000000076940	082252902	1900	Culvert	25 ft	90	Poor
FM over Des Moines River No. 000000000077850	084272705	1909	Truss - Thru	703 ft	80	Poor
FM over Tributary Beaver Creek No. 000000000078090	084283202	1962	Slab	102 ft	80	Poor
FM over Big Creek No. 000000000076910	082252103	1965	Stringer/Multi-beam or Girder	70 ft	71	Fair
Local over Big Creek No. 000000000077310	083251901	1920	Slab	23 ft	71	Fair
Local over Trib.Des Moines River No. 000000000077820	084272203	1900	Stringer/Multi-beam or Girder	108 ft	71	Poor
180th ST over Beaver Creek No. 000000000077941	084281601	2020	Stringer/Multi-beam or Girder	58 ft	71	Good
FM over Tributary Des Moines Riv No. 000000000078360	085272704	1930	Stringer/Multi-beam or Girder	36 ft	71	Fair
FM over Elkhorn Creek No. 000000000363980	085273603	1997	Slab	103 ft	71	Good
Local over Beaver Creek No. 000000000077251	082282706	1996	Stringer/Multi-beam or Girder	179 ft	60	Good
110th ST over Trib of Ioway Creek No. 000000000078151	085251001	2018	Culvert	35 ft	60	Good
FM over Bluff Creek No. 000000000078370	085272901	1900	Stringer/Multi-beam or Girder	31 ft	60	Fair
Local over Big Creek No. 000000000077360	083261201	1915	Slab	25 ft	51	Fair
FM over Big Creek No. 000000000076891	082250903	1940	Stringer/Multi-beam or Girder	43 ft	50	Fair
Local over Trib Des Moines River No. 000000000077070	082263206	1900	Stringer/Multi-beam or Girder	43 ft	50	Fair
Local over Big Creek No. 000000000077330	083252901	1915	Stringer/Multi-beam or Girder	25 ft	50	Poor
X Ave over Onion Creek No. 000000000077691	084252502	2023	Slab	81 ft	50	Good
FM over Ioway Creek No. 000000000078250	085253501	1949	Stringer/Multi-beam or Girder	126 ft	50	Poor
FM over Bluff Creek No. 000000000078390	085273101	1915	Stringer/Multi-beam or Girder	33 ft	50	Poor
Local over Little Beaver Creek No. 000000000077141	082272901	2004	Slab	103 ft	45	Good
FM over Little Beaver Creek No. 000000000077161	082273302	1973	Stringer/Multi-beam or Girder	68 ft	45	Poor
Local over Little Beaver Creek No. 000000000077120	082271901	1915	Slab	27 ft	40	Poor
FM over Little Beaver Creek No. 000000000077151	082273201	2003	Slab	103 ft	40	Good
335th ST over Little Beaver Creek No. 000000000077171	082273305	2011	Slab	103 ft	40	Good
Local over Beaver Creek No. 000000000077221	082280903	1975	Stringer/Multi-beam or Girder	181 ft	40	Fair
Local over Big Creek No. 000000000077320	083252002	1900	Slab	26 ft	40	Fair
Local over Beaver Creek No. 000000000078080	084283201	1916	Arch - Thru	52 ft	40	Fair
Local over Des Moines River No. 000000000076970	082260305	1930	Stringer/Multi-beam or Girder	26 ft	34	Poor
Local over Beaver Creek No. 000000000077241	082281505	1997	Stringer/Multi-beam or Girder	180 ft	34	Good
190th ST over Trib of Beaver Creek No. 000000000078011	084282201	2016	Culvert	23 ft	34	Good
Local over Montgomery Creek No. 000000000078280	085262501	1900	Stringer/Multi-beam or Girder	31 ft	34	Poor
Local over Big Creek No. 000000000076901	082251603	2004	Slab	103 ft	30	Good
Local over Big Creek No. 000000000076930	082252701	1917	Arch - Thru	53 ft	30	Poor
Local over Eversoll Creek No. 000000000077031	082262101	2009	Slab	103 ft	30	Good
Local over Trib Des Moines River No. 000000000077390	083261904	1950	Stringer/Multi-beam or Girder	47 ft	30	Fair
Local over Beaver Creek No. 000000000077520	083281702	1968	Slab	125 ft	30	Fair
Local over Prairie Creek No. 000000000077630	084250402	1915	Arch - Deck	34 ft	30	Poor
Local over Beaver Creek No. 000000000078050	084282801	1930	Stringer/Multi-beam or Girder	37 ft	30	Fair
140th ST over Ioway Creek No. 000000000078201	085252701	2016	Slab	143 ft	30	Good
U Ave over Montgomery Creek No. 000000000078221	085253302	2019	Slab	53 ft	30	Good
W Ave over Montgomery Creek No. 000000000078261	085253502	2015	Slab	101 ft	30	Good
Local over Montgomery Creek No. 000000000078291	085263601	1994	Stringer/Multi-beam or Girder	30 ft	30	Fair
Local over Bluff Creek No. 000000000078320	085271701	1920	Slab	22 ft	30	Poor
Local over Bluff Creek No. 000000000078330	085271701	1900	Stringer/Multi-beam or Girder	42 ft	30	Fair
Local over Big Creek No. 000000000076881	082250401	1978	Slab	78 ft	26	Fair
Local over Little Beaver Creek No. 000000000077110	082271802	1900	Stringer/Multi-beam or Girder	38 ft	26	Fair
Local over Little Beaver Creek No. 000000000077130	082272802	1900	Stringer/Multi-beam or Girder	31 ft	26	Poor
Local over Little Beaver Creek No. 000000000077180	082273308	1939	Truss - Thru	73 ft	26	Poor
Local over Beaver Creek No. 000000000077470	083280901	1900	Stringer/Multi-beam or Girder	47 ft	26	Poor
Local over Beaver Creek No. 000000000077480	083281101	1920	Slab	26 ft	26	Poor
240th ST over Middle Beaver Creek No. 000000000077501	083281601	2021	Stringer/Multi-beam or Girder	83 ft	26	Good
Local over Beaver Creek No. 000000000077531	083281801	2004	Slab	128 ft	26	Good
Local over Trib Des Moines River No. 000000000077870	084273103	1900	Stringer/Multi-beam or Girder	30 ft	26	Poor
Local over Ioway Creek No. 000000000078171	085251603	2006	Stringer/Multi-beam or Girder	155 ft	26	Good
Local over Big Creek No. 000000000077370	083261301	1915	Slab	26 ft	25	Poor
Local over Beaver Creek No. 000000000077200	082280304	1915	Slab	23 ft	20	Poor
FM over Beaver Creek No. 000000000077541	083282101	2010	Slab	133 ft	20	Good
FM over Beaver Creek No. 000000000077550	083282101	1926	Stringer/Multi-beam or Girder	39 ft	20	Fair
Local over Bluff Creek No. 000000000077790	084270904	1900	Stringer/Multi-beam or Girder	78 ft	20	Poor
FM over Beaver Creek No. 000000000077990	084282101	1923	Stringer/Multi-beam or Girder	34 ft	20	Fair
Local over Beaver Creek No. 000000000078040	084282701	1920	Stringer/Multi-beam or Girder	33 ft	20	Poor
Local over Beaver Creek No. 000000000078100	084283301	1920	Stringer/Multi-beam or Girder	37 ft	20	Poor
FM over Br Ioway Creek No. 000000000078120	085250403	1916	Arch - Thru	88 ft	20	Poor
Local over Ioway Creek No. 000000000078131	085250501	1988	Slab	125 ft	20	Fair
Local over Ioway Creek No. 000000000078140	085250902	1920	Slab	23 ft	20	Poor
Local over Trib Des Moines River No. 000000000078340	085271404	1900	Stringer/Multi-beam or Girder	41 ft	20	Poor
190th ST over Stream No. 000000000366110	084282102	1900	Slab	30 ft	20	Poor
R Ave over Prairie Creek No. 000000000366370	085263602	2017	Culvert	21 ft	20	Good
Local over Beaver Creek No. 000000000077461	083280701	2007	Slab	128 ft	15	Good
FM over Beaver Creek No. 000000000077560	083282201	1924	Stringer/Multi-beam or Girder	31 ft	15	Fair
Local over Beaver Creek No. 000000000077571	083282801	1999	Stringer/Multi-beam or Girder	154 ft	15	Good
Local over Tributary Prairie Creek No. 000000000077620	084250304	1900	Stringer/Multi-beam or Girder	39 ft	15	Fair
Local over Ioway Creek No. 000000000078190	085252501	1900	Slab	21 ft	15	Poor
Local over Montgomery Creek No. 000000000078230	085253404	1915	Stringer/Multi-beam or Girder	39 ft	15	Poor
Local over Beaver Creek No. 000000000078060	084282802	1900	Stringer/Multi-beam or Girder	38 ft	11	Poor
Local over Beaver Creek No. 000000000078070	084282901	1915	Slab	22 ft	11	Poor
160th ST over Beaver Creek No. 000000000077880	084280401	1915	Slab	24 ft	5	Poor
A Ave over Stream No. 000000000077891	084280702	2019	Culvert	24 ft	5	Good
Local over Beaver Creek No. 000000000078000	084282102	1900	Slab	22 ft	5	Fair
Local over Montgomery Creek No. 000000000078210	085253102	1915	Slab	23 ft	5	Poor
Lower Ledges RD over Pease Creek No. 000000000699112	In Ledges State Park	2011	Slab	123 ft	—	Good
Canyon RD over Pease Creek No. 000000000699500	In Ledges State Park	1933	Stringer/Multi-beam or Girder	43 ft	—	Fair
Canyon RD over Pease Creek No. 000000000699510	In Ledges State Park	1933	Stringer/Multi-beam or Girder	43 ft	—	Fair

Structure types in Boone County

Stringer/Multi-beam or Girder	58	43.3%
Slab	43	32.1%
Culvert	23	17.2%
Arch - Thru	3	2.2%
Girder and Floorbeam System	3	2.2%
Truss - Thru	2	1.5%
Arch - Deck	2	1.5%