US Bridges

Monona County, Iowa bridges

Monona County has 160 bridges and culverts in the National Bridge Inventory, the oldest built in 1900. 41 (26%) are rated poor. The most common type is stringer/multi-beam or girder (56%).

Bridges
160
Good
38%
Fair
37%
Poor
26%
41 bridges
Average age
50.2 yrs
Posted or closed
32

Map of bridges in Monona County

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

Search bridges in Monona County

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

Condition

26%poor
Good38%(60)
Fair37%(59)
Poor26%(41)

When they were built

<1900: 0 bridges<19001900s: 7 bridges719001910s: 1 bridges119101920s: 1 bridges119201930s: 0 bridges19301940s: 5 bridges519401950s: 39 bridges3919501960s: 26 bridges2619601970s: 25 bridges2519701980s: 5 bridges519801990s: 10 bridges1019902000s: 12 bridges1220002010s: 17 bridges1720102020s: 12 bridges122020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. NB I-29 over Robinson Ditch
    7,800 vehicles/day
    Good
  2. SB I-29 over Robinson Ditch
    7,800 vehicles/day
    Good
  3. NB I-29 over Cleghorn Creek
    7,250 vehicles/day
    Good
  4. SB I-29 over Cleghorn Creek
    7,250 vehicles/day
    Good
  5. Ia 175 over Mccandlesscleghorn Ditch
    5,300 vehicles/day
    Good

Longest

  1. Ia 175 over Missouri River
    1,956 ft
    Fair
  2. FM over Little Sioux River
    403 ft
    Good
  3. FM over Soldier River
    337 ft
    Good
  4. FM over Over UP RR
    336 ft
    Good
  5. E54 over Little Sioux River
    319 ft
    Good

Oldest

  1. Ia 175 over Drainage Ditch
    Built 1900
    Good
  2. Local over Stream
    Built 1900
    Poor
  3. Local over Trib Maple River
    Built 1900
    Poor
  4. Local over Trib Maple River
    Built 1900
    Fair
  5. Local over Local Stream
    Built 1900
    Poor

All bridges in Monona County

Busiest first · showing 1–160 of 160
Bridges in Monona County
BridgeLocationBuiltTypeLengthDaily trafficCondition
NB I-29 over Robinson Ditch
No. 000000000037351
4.1 Mi. S of Jct. Ia 1412011Slab103 ft7,800Good
SB I-29 over Robinson Ditch
No. 000000000037361
4.1 MI S of JCT Ia 1412009Slab103 ft7,800Good
NB I-29 over Cleghorn Creek
No. 000000000037271
4.5 Mi. S of Ia 1752012Slab123 ft7,250Good
SB I-29 over Cleghorn Creek
No. 000000000037281
4.5 Mi. S of Ia 1752011Slab123 ft7,250Good
Ia 175 over Mccandlesscleghorn Ditch
No. 000000000036841
0.6 Mi. E. of I-292023Slab101 ft5,300Good
Ia 175 over I-29
No. 000000000036830
At JCT I-291959Stringer/Multi-beam or Girder248 ft4,090Poor
Ia 141 & 175 over Maple River
No. 000000000036750
0.1 Mi. E of W JCT Ia 1751967Stringer/Multi-beam or Girder305 ft3,720Poor
Ia 175 over Drainage Ditch
No. 000000000036860
3.0 Mi. E of S.R. L121964Stringer/Multi-beam or Girder214 ft2,160Fair
Ia 175 over Little Sioux River
No. 000000000036890
1.5 Mi. W of Ia 371959Stringer/Multi-beam or Girder244 ft2,160Fair
Ia 141 over Simmons Creek
No. 000000000036741
0.8 MI W of W Jct. IA1752014Culvert46 ft1,920Good
Ia 175 over Maple River
No. 000000000036911
0.1 Mi. W of Jct. Ia 371984Stringer/Multi-beam or Girder241 ft1,870Fair
Ia 175 over Missouri River
No. 000000000036810
E.Of Decatur NE1950Truss - Thru1,956 ft1,790Fair
Ia 175 over Blue Lake Creek
No. 000000000036820
2.1 Mi. W of I-291955Slab32 ft1,790Fair
Ia 141 over Mucky Creek
No. 000000000036761
0.9 Mi. E of E JCT Ia 1751977Culvert22 ft1,500Good
Ia 141 over Middle Soldier River
No. 000000000036800
1.6 Mi. E of Jct. Ia 1831957Stringer/Multi-beam or Girder215 ft1,490Fair
Ia 175 over Drainage Ditch
No. 000000000037110
3.8 Mi. W of SR L371900Culvert26 ft1,460Good
Ia 175 over Stream
No. 000000000606230
2.9 MI E of W JCT Ia 1411952Culvert26 ft1,460Good
Ia 175 over Maple River
No. 000000000037031
3.8 Mi. E of SR L201972Stringer/Multi-beam or Girder236 ft1,220Fair
Ia 175 over Drainage Ditch
No. 000000000037051
4.5 Mi. E of E JCT SR L201973Culvert26 ft1,220Fair
Ia 175 over Drainage Ditch
No. 000000000037061
5.2 MI E of E JCT SR L201973Culvert25 ft1,220Good
Ia 175 over Drainage Ditch
No. 000000000037071
1.9 Mi. W of E JCT Ia 1411973Slab32 ft1,220Good
Ia 175 over Maple River
No. 000000000037081
1.0 Mi. W. of Ia 1412022Stringer/Multi-beam or Girder302 ft1,220Good
Ia 175 over Mucky Creek
No. 000000000037091
0.8 Mi. W of W JCT Ia 1411973Stringer/Multi-beam or Girder98 ft1,220Fair
Ia 175 over Drainage Ditch
No. 000000000603600
1.3 Mi. E of SR L201973Culvert32 ft1,220Fair
Ia 175 over Drainage Ditch
No. 000000000603610
2.9 Mi. E of E JCT SR L201973Culvert45 ft1,220Fair
Ia 175 over Drainage Ditch
No. 000000000603580
0.7 Mi. W of Jct. SR E341973Culvert21 ft1,160Good
FM over Over UP RR
No. 000000000037211
0844533062003Stringer/Multi-beam or Girder336 ft1,017Good
FM over Drainage Ditch
No. 000000000037231
0854622101998Slab78 ft1,017Good
Ia 175 over Drainage Ditch
No. 000000000603590
0.6 MI E of SR L201973Culvert33 ft990Good
K45 over Cleghorn Ditch
No. 000000000037221
0854636062019Slab101 ft976Good
Ia 37 over East Willow River
No. 000000000036721
0.7 Mi. E of SR E541996Stringer/Multi-beam or Girder301 ft830Good
E-24 (160th St) over I-29
No. 000000000037330
At Jct. of S.R. E241959Stringer/Multi-beam or Girder238 ft788Fair
Ia 37 over Beaver Creek
No. 000000000036660
4.4 Mi. E of Ia 1751942Stringer/Multi-beam or Girder212 ft780Fair
Ia 37 over Jordan Creek
No. 000000000036671
6.3 Mi. E of Ia 1751979Stringer/Multi-beam or Girder93 ft780Good
Ia 141 over Soldier River
No. 000000000036790
3.9 Mi. W of Ia 1831951Stringer/Multi-beam or Girder245 ft780Fair
Local(whiting) over Mccandless Cleghorn
No. 000000000251001
0844602011997Slab128 ft763Good
E16 over Rush Creek
No. 000000000251131
0854224012021Stringer/Multi-beam or Girder179 ft627Good
Ia 37 over Soldier River
No. 000000000036690
0.3 Mi. E of Ia 1831952Stringer/Multi-beam or Girder243 ft620Fair
Ia 37 over Norway Creek
No. 000000000036700
2.6 Mi. E of Ia 1831959Stringer/Multi-beam or Girder171 ft620Fair
Ia 37 over Willow River
No. 000000000036710
1.2 Mi. W of Jct. SR E541959Stringer/Multi-beam or Girder184 ft620Fair
FM over Diversion Ditch
No. 000000000250760
0844418081962Stringer/Multi-beam or Girder271 ft597Poor
FM over Dd
No. 000000000250910
0844525091959Stringer/Multi-beam or Girder182 ft597Poor
Ia 183 over Overflow Channel
No. 000000000037121
4.8 Mi. S of SR E542008Culvert25 ft580Good
Ia 183 over Natural Stream
No. 000000000037131
3.5 Mi. S of Co. Rd. E-542015Slab131 ft580Good
Ia 183 over Jordan Creek
No. 000000000037150
0.8 Mi. S of SR E541964Stringer/Multi-beam or Girder204 ft580Good
Ia 183 over Soldier River
No. 000000000037201
1.1 Mi. S of Jct. Ia 1411998Stringer/Multi-beam or Girder236 ft580Fair
FM over Famers Garretson Ditch
No. 000000000251490
0854504041962Stringer/Multi-beam or Girder219 ft578Poor
Ia 183 over Stream
No. 000000000037161
1.1 Mi. S of Ia 372011Culvert25 ft420Good
K42 over I-29
No. 000000000037310
1.7 Mi. N of Ia 1751959Stringer/Multi-beam or Girder255 ft390Fair
FM over Soldier River
No. 000000000249570
0824315011955Stringer/Multi-beam or Girder304 ft349Poor
FM over Stream
No. 000000000250405
0844206021959Culvert25 ft329Fair
Local RD over Cleghorn Dd
No. 000000000250285
0834507032002Arch - Deck34 ft319Good
E54 over Monona-Harrison Ditch
No. 000000000250211
0834432032015Stringer/Multi-beam or Girder214 ft289Good
E54 over Little Sioux River
No. 000000000250231
0834433012015Stringer/Multi-beam or Girder319 ft289Good
E 60 over I-29
No. 000000000037260
At JCT SR E601967Stringer/Multi-beam or Girder219 ft270Fair
E 34 over Jordan Creek
No. 000000000365862
0844325032012Culvert29 ft259Good
FM over Haitz Dd
No. 000000000251550
0854525011961Stringer/Multi-beam or Girder169 ft229Poor
FM over West Fork Dd
No. 000000000251560
0854527011961Stringer/Multi-beam or Girder208 ft229Poor
FM over Willow Creek
No. 000000000249351
0824222031979Stringer/Multi-beam or Girder71 ft199Poor
FM over Jordan Creek
No. 000000000249532
0824309052000Stringer/Multi-beam or Girder179 ft199Fair
FM over Maple River
No. 000000000250780
0844424031957Stringer/Multi-beam or Girder204 ft188Good
L16 over Elk Creek
No. 000000000249581
0824315042020Stringer/Multi-beam or Girder103 ft170Good
FM over Soldier River
No. 000000000250500
0844227011957Stringer/Multi-beam or Girder254 ft170Good
FM over Jordan Creek
No. 000000000249510
0824305111958Stringer/Multi-beam or Girder145 ft159Poor
L16 over Beaver Creek
No. 000000000250141
0834414062020Stringer/Multi-beam or Girder93 ft159Good
FM over Soldier Creek
No. 000000000250540
0844235041949Stringer/Multi-beam or Girder183 ft159Poor
Tulip Ave over Upper Soldier River
No. 000000000250552
0844235182011Stringer/Multi-beam or Girder154 ft159Good
FM over Little Sioux River
No. 000000000251360
0854402051925Truss - Thru185 ft159Poor
FM over Maple River
No. 000000000250150
0834415041960Stringer/Multi-beam or Girder305 ft150Poor
FM over Beaver CR
No. 000000000250161
0834415061974Culvert20 ft150Fair
FM over Cottonwood Creek
No. 000000000250201
0834427061974Culvert20 ft150Fair
FM over Little Sioux River
No. 000000000251400
0854416031961Stringer/Multi-beam or Girder252 ft150Poor
235th ST over Mccandless-Cleghorn
No. 000000000363116
0834508032021Slab71 ft150Good
FM over Little Sioux River
No. 000000000250750
0844418031960Stringer/Multi-beam or Girder252 ft131Poor
FM over Monona Harrison Dd
No. 000000000249691
0824420031974Stringer/Multi-beam or Girder255 ft100Fair
FM over Little Sioux River
No. 000000000249711
0824421032007Stringer/Multi-beam or Girder403 ft100Good
FM over I-29
No. 000000000037290
3.5 Mi. S of Ia 1751967Stringer/Multi-beam or Girder227 ft89Good
Local over Stream
No. 000000000251081
0854204041973Culvert23 ft80Poor
FM over I-29
No. 000000000037370
4.3 Mi. N of Jct. SR E241959Stringer/Multi-beam or Girder218 ft79Fair
Local over Skinner Creek
No. 000000000249855
0834222011956Culvert21 ft79Fair
E26 160th ST over Rush Creek
No. 000000000250381
0844202032021Slab141 ft79Good
FM over Nagel Dd
No. 000000000250690
0844408041960Stringer/Multi-beam or Girder305 ft79Poor
FM over Simmons Creek
No. 000000000251286
0854314061987Slab103 ft71Good
FM over Stream
No. 000000000251420
0854422121956Stringer/Multi-beam or Girder57 ft71Poor
140th ST over Stream
No. 000000000251331
0854327012024Stringer/Multi-beam or Girder40 ft61Good
FM over I-29
No. 000000000037320
4.6 Mi. N of Ia 1751959Stringer/Multi-beam or Girder235 ft60Good
E46 245th ST over Soldier River
No. 000000000249831
0834217072020Stringer/Multi-beam or Girder204 ft60Good
FM over Jordan Creek
No. 000000000250070
0834327021954Stringer/Multi-beam or Girder129 ft60Fair
FM over Jordan Creek
No. 000000000250080
0834333021954Stringer/Multi-beam or Girder129 ft60Poor
FM over Jordan Creek
No. 000000000250091
0834333051999Stringer/Multi-beam or Girder180 ft60Good
Local over Mccandlesscleghrn Outlet
No. 000000000250310
0834521021969Tee Beam34 ft60Fair
Local over Stream
No. 000000000251330
0854327011900Stringer/Multi-beam or Girder25 ft60Poor
West ST over Mccandles Ditch
No. 000000000501111
0854635072020Slab93 ft56Good
FM over I-29
No. 000000000037340
2.3 Mi. N of SR E241959Stringer/Multi-beam or Girder218 ft50Good
FM over NE Norway Creek
No. 000000000249860
0834226021949Slab27 ft50Poor
Local over Mccandless Cleghorn Dd
No. 000000000251631
0854624031971Stringer/Multi-beam or Girder28 ft50Fair
FM over New Farmer Main D.D.
No. 000000000364410
0844503012002Culvert27 ft50Fair
FM over Elk Creek
No. 000000000249601
0824324021988Stringer/Multi-beam or Girder45 ft45Fair
Local over Soldier River
No. 000000000249651
0824330031992Stringer/Multi-beam or Girder251 ft45Good
Sumac Ave over Skinner Creek
No. 000000000249851
0834222022008Culvert24 ft45Good
FM over Mccandless Cleghorn D D
No. 000000000250330
0834528011969Tee Beam30 ft45Fair
FM over Little Sioux River
No. 000000000250810
0844430031960Stringer/Multi-beam or Girder252 ft45Poor
Local over Monona Harrison Dd
No. 000000000250860
0844513011959Stringer/Multi-beam or Girder182 ft45Poor
Local over Diversion Ditch
No. 000000000250870
0844513011961Stringer/Multi-beam or Girder208 ft45Fair
FM over Sioux River
No. 000000000250920
0844525111960Stringer/Multi-beam or Girder57 ft45Poor
Local over West Fork Dd
No. 000000000251520
0854509031961Stringer/Multi-beam or Girder169 ft45Poor
FM over Willow Creek
No. 000000000249300
0824212021952Stringer/Multi-beam or Girder154 ft40Poor
Plum Ave over Local Stream
No. 000000000249585
0824322051950Culvert20 ft40Fair
FM over Elk Creek
No. 000000000249610
0824324051955Stringer/Multi-beam or Girder45 ft40Fair
FM over Soldier River
No. 000000000249882
0834230062000Stringer/Multi-beam or Girder337 ft40Good
FM over Norway Creek
No. 000000000249890
0834234011953Slab31 ft40Poor
FM over Soldier Creek
No. 000000000250350
0844201011948Stringer/Multi-beam or Girder213 ft40Poor
Sumac Ave over Stream
No. 000000000250481
0844222062019Culvert23 ft40Good
FM over Stream
No. 000000000250662
0844330051956Culvert24 ft40Fair
FM over Stream
No. 000000000250664
0844330051956Culvert22 ft40Fair
Local over Mccandless Cleghorn Dd
No. 000000000251640
0854625031970Tee Beam33 ft40Poor
325th ST over I-29
No. 000000000037250
3.1 Mi. S of SR E601967Stringer/Multi-beam or Girder218 ft34Fair
Local Road over Stream
No. 000000000249402
0824226051999Stringer/Multi-beam or Girder281 ft34Good
E64 Redwood Ave over Branch of Elk Creek
No. 000000000249621
0824324002022Stringer/Multi-beam or Girder51 ft34Good
FM over Haitz Dd
No. 000000000250830
0844501011961Stringer/Multi-beam or Girder182 ft34Fair
FM over West Fork Dd
No. 000000000250850
0844502031961Stringer/Multi-beam or Girder208 ft34Fair
Local over Mccabdless Cleghorn Dd
No. 000000000251611
0854623022004Tee Beam40 ft34Fair
Local over Norway Creek
No. 000000000249282
0824206022010Culvert25 ft29Good
Teak Ave over Local Stream
No. 000000000249421
0824227042017Stringer/Multi-beam or Girder176 ft29Good
Local Road over Local Stream
No. 000000000249930
0834302061962Truss - Thru81 ft29Poor
FM over Jordan Creek
No. 000000000250061
0834327011984Stringer/Multi-beam or Girder129 ft29Good
Local over Mccandless Cleghorn D D
No. 000000000250341
0834528021997Culvert22 ft29Poor
FM over Stream
No. 000000000250666
0844330041952Culvert21 ft29Fair
210th ST over Jordan Creek
No. 000000000250671
0844335012020Box Beam or Girders - Multiple53 ft29Good
FM over Mccandless Cleghorn
No. 000000000251040
0844623011959Channel Beam31 ft29Fair
105th ST over Dutch Creek
No. 000000000251221
0854302032012Culvert31 ft29Good
Local over Mccandless Cleghorn
No. 000000000251031
0844614011976Stringer/Multi-beam or Girder33 ft26Poor
Local RD over Small Stream
No. 000000000251271
0854314031979Culvert21 ft26Fair
Local Road over Local Stream
No. 000000000251281
0854314051964Truss - Thru91 ft26Poor
FM over Crow Creek
No. 000000000249440
0824230041955Culvert21 ft20Fair
Local over Mccandlesscleghorn Ditch
No. 000000000250301
0834517051971Stringer/Multi-beam or Girder33 ft20Fair
170th ST over Trib to Soldier River
No. 000000000250441
0844211032016Culvert24 ft20Good
Local over Trib to Soldier River
No. 000000000250452
0844211031990Channel Beam25 ft20Poor
Local over Trib Maple River
No. 000000000250561
0844301021900Stringer/Multi-beam or Girder24 ft20Poor
Local over Trib Maple River
No. 000000000251110
0854210021900Stringer/Multi-beam or Girder30 ft20Fair
Local over Haitz Dd
No. 000000000251530
0854512011962Stringer/Multi-beam or Girder169 ft20Fair
K53 Dogwood Ave over Mccandless Cleghorn
No. 000000000251620
0854624021970Tee Beam30 ft20Poor
Local over Norway Creek
No. 000000000249271
0824205021983Stringer/Multi-beam or Girder201 ft15Fair
FM over Willow Creek
No. 000000000249460
0824233081955Culvert21 ft15Fair
Local over Jordan Creek
No. 000000000249490
0824305031912Truss - Thru147 ft15Poor
Local over Cottonwood Creek
No. 000000000250240
0834434031949Stringer/Multi-beam or Girder121 ft15Fair
Local over Stream
No. 000000000364415
0844511042002Culvert27 ft15Fair
Local over Willow Creek
No. 000000000249241
0824201031978Truss - Thru102 ft11Poor
FM over Willow Creek
No. 000000000249410
0824227031960Stringer/Multi-beam or Girder182 ft11Fair
Local over Local Stream
No. 000000000249590
0824322081900Truss - Thru51 ft11Poor
Local over Soldier River
No. 000000000249792
0834204032009Stringer/Multi-beam or Girder205 ft11Good
FM over Beaver Creek
No. 000000000249950
0834304031958Stringer/Multi-beam or Girder46 ft11Poor
245th ST over Jordan Creek
No. 000000000250011
0834315032016Slab113 ft11Good
Local over Skunk Creek
No. 000000000250361
0844201061990Channel Beam25 ft11Fair
FM over Stream
No. 000000000250720
0844409041957Culvert29 ft11Good
Local over Heisler Creek
No. 000000000251125
0854218021976Stringer/Multi-beam or Girder66 ft11Fair
Local over Dutch Creek
No. 000000000251255
0854311031976Culvert24 ft11Fair
Local over Soldier Valley D D
No. 000000000249660
0824332021900Stringer/Multi-beam or Girder25 ft5Fair
Local over Trib to Maple River
No. 000000000250110
0834401021900Stringer/Multi-beam or Girder76 ft5Poor
Local RD over Gard Creek
No. 000000000250700
0844408101954Culvert25 ft5Fair

Structure types in Monona County

Stringer/Multi-beam or Girder8955.6%
Culvert3622.5%
Slab1811.3%
Truss - Thru74.4%
Tee Beam53.1%
Channel Beam31.9%
Arch - Deck10.6%
Box Beam or Girders - Multiple10.6%

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