US Bridges

Lyon County, Iowa bridges

Lyon County has 273 bridges and culverts in the National Bridge Inventory, the oldest built in 1900. 70 (26%) are rated poor. The most common type is culvert (40%).

Bridges
273
Good
38%
Fair
36%
Poor
26%
70 bridges
Average age
50.5 yrs
Posted or closed
56

Map of bridges in Lyon County

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

Search bridges in Lyon County

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

Condition

26%poor
Good38%(104)
Fair36%(99)
Poor26%(70)

When they were built

<1900: 0 bridges<19001900s: 42 bridges4219001910s: 0 bridges19101920s: 0 bridges19201930s: 1 bridges119301940s: 5 bridges519401950s: 13 bridges1319501960s: 31 bridges3119601970s: 56 bridges5619701980s: 21 bridges2119801990s: 19 bridges1919902000s: 20 bridges2020002010s: 54 bridges5420102020s: 11 bridges112020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. Ia 9 over Stream
    4,840 vehicles/day
    Good
  2. Ia 9 over Stream
    4,520 vehicles/day
    Fair
  3. Ia 9 over Bloodrun Creek
    4,520 vehicles/day
    Fair
  4. Fair
  5. Ia 9 over Rock River
    3,920 vehicles/day
    Fair

Longest

Oldest

All bridges in Lyon County

Busiest first · showing 1–200 of 273
Bridges in Lyon County
BridgeLocationBuiltTypeLengthDaily trafficCondition
Ia 9 over Stream
No. 000000000034591
0.2 Mi. W of Ia 1821980Culvert25 ft4,840Good
Ia 9 over Stream
No. 000000000034560
200 Ft. S of Jct. SR K121940Culvert29 ft4,520Fair
Ia 9 over Bloodrun Creek
No. 000000000034571
0.3 Mi. E of Jct. SR K121977Slab113 ft4,520Fair
US 75 & Ia 9 over Moon Creek
No. 000000000034535
0.5 Mi. E of W Jct. US 751972Slab134 ft4,400Fair
Ia 9 over Rock River
No. 000000000034645
0.5 Mi. E of E Jct. US 751974Stringer/Multi-beam or Girder353 ft3,920Fair
Ia 9 over Mud Creek
No. 000000000034601
0.2 Mi. W of Jct. SR K301975Stringer/Multi-beam or Girder184 ft3,270Fair
Ia 9 over Stream
No. 000000000034611
0.1 Mi. E of S.R. K301982Stringer/Multi-beam or Girder163 ft3,180Fair
Ia 9 over Over BNSF RR
No. 000000000034621
0.2 Mi. E of SR K301982Stringer/Multi-beam or Girder171 ft3,180Fair
Ia 9 over Moon Creek
No. 000000000034625
0.3 Mi. W of W Jct. US 751974Culvert29 ft3,180Fair
US 75 over Rock River
No. 000000000034521
0.2 Mi. N of S JCT SR A341975Stringer/Multi-beam or Girder329 ft2,620Fair
US 75 over Little Rock River
No. 000000000034511
0.4 Mi. S of SR A441975Stringer/Multi-beam or Girder278 ft2,610Fair
Ia 182 over Stream
No. 000000000034690
0.2 MI N of Jct. SR A341955Culvert33 ft2,500Fair
Ia 182 over Stream
No. 000000000034700
2.5 Mi. S of Jct. Ia 91955Culvert32 ft2,500Fair
US 18 over Dry Run Creek
No. 000000000034501
0.7 Mi. W of SR A501975Culvert33 ft2,240Fair
US 18 over Big Sioux River
No. 000000000034481
At S.Dakota Border1978Stringer/Multi-beam or Girder580 ft2,130Fair
US 18 over Drainage Ditch
No. 000000000034491
3.8 Mi. W of Ia 1821975Slab113 ft2,130Fair
Ia 9 over Little Rock River
No. 000000000034651
1.0 Mi. W of SR L261987Stringer/Multi-beam or Girder246 ft1,730Fair
A18 (140th St) over Big Sioux River
No. 000000000231610
1004935031963Stringer/Multi-beam or Girder401 ft1,607Fair
US 75 over Drainage Ditch
No. 000000000034550
3.8 Mi. N of N Jct. Ia 91935Culvert25 ft1,500Fair
FM over Lizard Creek
No. 000000000228951
0984633021975Culvert26 ft1,416Fair
W Daktoa Ave over Rio Grande Creek
No. 000000000505015
0984402012011Slab91 ft1,349Good
A42 240th ST over Albertson Creek
No. 000000000229101
0984722012019Slab101 ft1,176Good
FM over Johnson Creek
No. 000000000228271
0984405012006Slab87 ft1,168Good
Virginia ST over Little Rock River
No. 000000000005530
0984401021949Stringer/Multi-beam or Girder153 ft1,167Fair
K42 Garfield Ave over Little Rock River
No. 000000000228981
0984636022011Stringer/Multi-beam or Girder409 ft1,087Good
A26 (180th St) over Big Sioux River
No. 000000000230665
0994821031977Stringer/Multi-beam or Girder402 ft1,017Poor
FM over Klondike Creek
No. 000000000230675
0994821051962Stringer/Multi-beam or Girder80 ft1,017Poor
210th ST over Mud Creek
No. 000000000034661
0984605052011Stringer/Multi-beam or Girder204 ft998Fair
FM over Rock River
No. 000000000228870
0984624021966Stringer/Multi-beam or Girder278 ft977Poor
A50 260th ST over Small Stream
No. 000000000229515
0984831031968Culvert20 ft888Fair
A50 (bridge St) over Big Sioux River
No. 000000000229541
0984925191971Stringer/Multi-beam or Girder348 ft888Fair
FM over Emery Creek
No. 000000000228461
0984501011977Culvert38 ft818Fair
FM over Nelson Creek
No. 000000000229520
0984832041966Stringer/Multi-beam or Girder80 ft789Poor
FM over Argo Slough
No. 000000000229621
0994312021977Culvert38 ft789Fair
FM over Burr Oak Creek
No. 000000000228660
0984535021961Culvert32 ft758Fair
FM over Small Stream
No. 000000000230450
0994724011968Culvert32 ft729Fair
FM over Overflow
No. 000000000227950
0984305011969Culvert36 ft718Poor
A34 210th ST over Little Rock River
No. 000000000227961
0984305012015Stringer/Multi-beam or Girder277 ft718Good
FM over Little Rock River
No. 000000000228640
0984531011954Stringer/Multi-beam or Girder200 ft709Poor
A34 210th ST over Kelly Creek
No. 000000000034671
0984604012017Slab81 ft698Good
A42 240th ST over Mud Creek
No. 000000000228821
0984622012003Stringer/Multi-beam or Girder263 ft698Good
FM over BNSF RR
No. 000000000228831
0984622012003Stringer/Multi-beam or Girder223 ft698Good
FM over Mud Creek
No. 000000000230200
0994620031968Slab126 ft688Poor
N Union Street over Moon Creek
No. 000000000009981
1004533022019Slab91 ft670Good
East ST over Tom Creek
No. 000000000010001
1004534022023Stringer/Multi-beam or Girder192 ft660Good
FM over Putnam Creek
No. 000000000228411
0984433011977Culvert38 ft649Fair
A52 260th ST over Otter Creek
No. 000000000228431
0984434012020Stringer/Multi-beam or Girder257 ft649Good
A34 210th Ave over Willow Creek
No. 000000000034681
0984506012017Slab121 ft578Good
FM over West Rat Creek
No. 000000000227921
0984301012007Culvert30 ft578Good
FM over Mud Creek
No. 000000000228690
0984604061961Stringer/Multi-beam or Girder111 ft509Poor
FM over Small Stream
No. 000000000228750
0984609021946Culvert21 ft509Fair
L14 over Turner Creek
No. 000000000230870
1004414181964Stringer/Multi-beam or Girder80 ft509Poor
L14 over Tom Creek
No. 000000000230910
1004423041964Stringer/Multi-beam or Girder79 ft509Poor
L14 over Dry Run Creek
No. 000000000230940
1004426061964Stringer/Multi-beam or Girder70 ft509Poor
FM over Dry Run Creek
No. 000000000230020
0994523021964Stringer/Multi-beam or Girder55 ft469Poor
FM over Small Stream
No. 000000000230110
0994607021961Culvert20 ft450Fair
FM over Mud Creek
No. 000000000230360
0994701041970Stringer/Multi-beam or Girder150 ft450Poor
K30 Dove Ave over Sykes Creek
No. 000000000230371
0994701042019Slab101 ft450Good
FM over Taft Creek
No. 000000000229710
0994324021955Culvert20 ft439Fair
FM over Blood Run Creek
No. 000000000231411
1004812012000Slab113 ft439Good
FM over Rat Creek
No. 000000000228011
0984313011971Culvert36 ft399Fair
FM over Lizard Creek
No. 000000000228940
0984633011970Stringer/Multi-beam or Girder80 ft399Fair
FM over Rock River
No. 000000000228960
0984635011970Stringer/Multi-beam or Girder348 ft399Poor
Section Line ST over Little Rock River
No. 000000000007300
1004325021951Stringer/Multi-beam or Girder182 ft383Good
FM over Little Rock River
No. 000000000228550
0984514041955Stringer/Multi-beam or Girder200 ft369Poor
FM over Kanaranzi Creek
No. 000000000231110
1004522021959Stringer/Multi-beam or Girder202 ft369Poor
N Boone ST over Moon Creek
No. 000000000009990
1004533041958Slab78 ft354Poor
FM over Blood Run Creek
No. 000000000231511
1004822041971Slab128 ft350Fair
N 2nd Ave over Small Stream
No. 000000000502520
1004533041900Culvert60 ft346Poor
Local Road over Rock River
No. 000000000230010
0994515011968Stringer/Multi-beam or Girder252 ft337Poor
Michigan Ave over Rio Grande Creek
No. 000000000005511
0984402051999Stringer/Multi-beam or Girder71 ft326Good
FM over Klondike Creek
No. 000000000230630
0994815021966Slab100 ft309Poor
FM over Toole Creek
No. 000000000231230
1004619021970Culvert38 ft290Fair
FM over Riggs Creek
No. 000000000231290
1004712041970Culvert36 ft290Poor
FM over Mud Creek
No. 000000000231300
1004713011970Slab125 ft290Poor
K60 Indian Ave over Tom Creek
No. 000000000230981
1004430022022Slab210 ft279Good
FM over Dry Run Creek
No. 000000000229830
0994407021958Culvert24 ft270Fair
FM over Emery Creek
No. 000000000229931
0994430021980Culvert63 ft270Fair
FM over West Rat Creek
No. 000000000228041
0984315011977Culvert38 ft259Fair
W Harris ST over Rio Grande Creek
No. 000000000005450
0984402131966Stringer/Multi-beam or Girder57 ft254Fair
FM over Small Stream
No. 000000000230191
0994619022005Culvert35 ft240Fair
FM over Small Stream
No. 000000000230281
0994630021972Culvert24 ft240Poor
Calumet Ave over Rio Grande Creek
No. 000000000005471
0984402112011Culvert29 ft232Good
Ohio Ave over Rio Grande Creek
No. 000000000005481
0984402031995Slab28 ft232Good
W Indiana Ave over Rio Grande Creek
No. 000000000005490
0984402091940Stringer/Multi-beam or Girder23 ft232Poor
Minnesota Ave over Rio Grande Creek
No. 000000000005500
0984402071950Stringer/Multi-beam or Girder31 ft232Fair
Sidney ST over Rio Grande Creek
No. 000000000005521
0984402062011Culvert29 ft232Good
FM over West Rat Creek
No. 000000000227930
0984301021965Stringer/Multi-beam or Girder43 ft230Poor
K60(INDIAN Ave) over Little Rock River
No. 000000000228300
0984407021960Stringer/Multi-beam or Girder206 ft230Poor
FM over Plum Creek
No. 000000000229300
0984801021968Culvert38 ft210Poor
Jefferson ST over Mclaren Creek
No. 000000000503140
0984718001968Culvert32 ft201Fair
FM over Rat Creek
No. 000000000228070
0984322021966Slab124 ft199Poor
FM over Little Otter Creek
No. 000000000228200
0984334021968Slab128 ft199Poor
FM over Overflow
No. 000000000228220
0984334021968Slab100 ft199Poor
FM over Small Stream
No. 000000000229661
0994319011975Culvert26 ft190Fair
FM over Little Rock River
No. 000000000229681
0994320011973Stringer/Multi-beam or Girder175 ft190Fair
FM over Rock River
No. 000000000231091
1004520031980Stringer/Multi-beam or Girder273 ft180Fair
FM over Blood Run Creek
No. 000000000231441
1004819021971Stringer/Multi-beam or Girder138 ft180Poor
Local over Little Rock River
No. 000000000227971
0984306041982Stringer/Multi-beam or Girder230 ft143Fair
FM over Little Rock River
No. 000000000230840
1004335031968Stringer/Multi-beam or Girder176 ft131Poor
Local Road over Mud Creek
No. 000000000230181
0994618011971Stringer/Multi-beam or Girder152 ft112Fair
Local over Mud Creek
No. 000000000231400
1004736011963Stringer/Multi-beam or Girder147 ft112Fair
Local Road over Trib to Mud Creek
No. 000000000364795
0994602022004Culvert24 ft112Good
Birch Ave over Klondike Creek
No. 000000000230621
0994814022021Slab111 ft103Good
FM over Little Rock River
No. 000000000229561
0994303021975Stringer/Multi-beam or Girder230 ft100Fair
FM over Hess Creek
No. 000000000229790
0994333021967Culvert30 ft100Fair
FM over Taft Creek
No. 000000000229800
0994333021967Culvert35 ft100Fair
FM over Kanaranzi Creek
No. 000000000231101
1004522011980Stringer/Multi-beam or Girder164 ft100Good
Coolidge Ave over Small
No. 000000000365165
0984703021993Culvert20 ft100Good
FM over Albertson Creek
No. 000000000365170
09847151973Culvert32 ft100Fair
Cherry Ave over Plum Creek
No. 000000000229021
984706022018Box Beam or Girders - Multiple40 ft90Good
FM over Tom Creek
No. 000000000230791
1004320021972Culvert42 ft90Fair
Local Road over Blood Run Creek
No. 000000000231570
1004823021900Stringer/Multi-beam or Girder48 ft90Poor
240th ST over Rat Creek
No. 000000000228091
0984324012020Box Beam or Girders - Multiple51 ft81Good
Local Road over Little Rock River
No. 000000000228311
0984415011997Stringer/Multi-beam or Girder273 ft81Good
Local Road over Gilbertson Creek
No. 000000000230441
0994719021975Culvert26 ft81Fair
Local over Small Stream
No. 000000000363245
1004632011990Culvert22 ft81Good
230th ST over Mclaren Creek
No. 000000000229421
0984813012014Culvert25 ft72Good
230th ST over Mclaren Creek
No. 000000000229441
0984814012014Culvert25 ft72Good
110th ST over Toole Creek
No. 000000000231211
1004618012017Culvert34 ft72Good
Marsh Ave over Little Otter Creek
No. 000000000228251
0984336022019Stringer/Multi-beam or Girder189 ft71Good
Local Road over Little Rock River
No. 000000000229570
0994309011900Stringer/Multi-beam or Girder105 ft71Poor
FM over Spring Creek
No. 000000000230141
0994610021971Culvert24 ft71Fair
FM over Small Stream
No. 000000000230881
1004420011978Channel Beam29 ft71Fair
FM over Turner Creek
No. 000000000230901
1004422011980Slab100 ft71Fair
Local Road over Little Rock River
No. 000000000228630
0984529071900Truss - Thru120 ft62Poor
Local over Rock River
No. 000000000228840
0984623031900Truss - Thru192 ft62Poor
Local over Over Flow
No. 000000000228851
09846232004Culvert29 ft62Good
Local Road over Lizard Creek
No. 000000000228880
0984627011900Stringer/Multi-beam or Girder78 ft62Poor
Local Road over Mud Creek
No. 000000000228885
0984627011962Stringer/Multi-beam or Girder162 ft62Fair
Local over Plum Creek
No. 000000000229381
0984811011979Culvert38 ft62Fair
Able Blvd over Mclaren Creek
No. 000000000229461
0984815012016Slab103 ft62Fair
Local Road over Small Stream
No. 000000000230350
0994701021900Stringer/Multi-beam or Girder31 ft62Poor
Local Road over Pinney Creek
No. 000000000230430
0994718021900Stringer/Multi-beam or Girder30 ft62Poor
Local Road over Turner Creek
No. 000000000230851
1004411012006Culvert24 ft62Good
Local Road over Kanaranzi Creek
No. 000000000231061
1004511032010Slab160 ft62Good
Local Road over Moon Creek
No. 000000000231260
1004636011900Stringer/Multi-beam or Girder22 ft62Poor
Local Road over Small
No. 000000000364810
1004833022004Culvert24 ft62Good
FM over Hefferman Creek
No. 000000000229221
0984734021978Culvert38 ft60Fair
FM over Small Stream
No. 000000000230760
1004319011978Culvert25 ft60Fair
FM over Tom Creek
No. 000000000230811
1004322011977Culvert25 ft60Fair
FM over Tom Creek
No. 000000000230821
1004322021980Culvert38 ft60Fair
Local Road over Rat Creek
No. 000000000228100
0984324021900Stringer/Multi-beam or Girder45 ft50Fair
FM over Rat Creek
No. 000000000228141
0984333012008Stringer/Multi-beam or Girder62 ft50Fair
FM over Little Rock River
No. 000000000228330
0984416021950Stringer/Multi-beam or Girder201 ft50Fair
FM over Small Stream
No. 000000000228560
0984521011978Culvert26 ft50Fair
Harrison Ave over Burr Oak Creek
No. 000000000228651
0984534022019Culvert53 ft50Good
Ibex Ave over Burr Oak Creek
No. 000000000228671
0984536022019Culvert35 ft50Good
210th ST over Plum Creek
No. 000000000229011
0984706012013Culvert29 ft50Good
260th ST over Albertson Creek
No. 000000000229231
0984735012017Box Beam or Girders - Multiple52 ft50Good
Local Road over Johnson Creek
No. 000000000229901
0994427011995Culvert23 ft50Good
Local Road over Willow Creek
No. 000000000230050
0994531021940Truss - Thru49 ft50Poor
FM over Kelly Creek
No. 000000000230330
0994634021957Culvert24 ft50Fair
Local Road over Klondike Creek
No. 000000000230381
0994706011991Culvert32 ft50Good
Jackson Ave over Tom Creek
No. 000000000230891
1004421022017Slab151 ft50Good
Local RD over Mud Creek
No. 000000000231351
1004724031979Slab125 ft50Fair
Local Road over Small Stream
No. 000000000231371
1004725021994Culvert37 ft50Good
K14 Buchanan Ave over Blood Run Creek
No. 000000000231421
1004813022019Box Beam or Girders - Multiple52 ft50Good
Ashley Ave over Peterson Creek
No. 000000000365181
0994809022022Culvert26 ft50Good
Dogwood Ave over Small Stream
No. 000000000366125
1004724022015Culvert22 ft50Good
Local Road over Mud Creek
No. 000000000228801
0984616011900Stringer/Multi-beam or Girder150 ft49Fair
Jefferson Ave over Small Stream
No. 000000000228371
0984423022014Culvert23 ft46Good
220th ST over Emery Creek
No. 000000000228521
0984511012017Box Beam or Girders - Multiple52 ft46Good
Ibex Ave over Little Rock River
No. 000000000228531
0984512021978Stringer/Multi-beam or Girder278 ft46Fair
Ibex Ave over Emery Creek
No. 000000000228541
0984512022017Box Beam or Girders - Multiple52 ft46Good
Fig Ave over Lizard Creek
No. 000000000228891
09846227022014Culvert26 ft46Good
Local Road over Hefferman Creek
No. 000000000229200
0984733011900Stringer/Multi-beam or Girder47 ft46Poor
220th ST over Plum Creek
No. 000000000229331
0984805042021Culvert46 ft46Good
Local Road over Argo Slough
No. 000000000229640
0994316021900Stringer/Multi-beam or Girder46 ft46Poor
Local Road over Zoar Creek
No. 000000000229821
0994334021992Culvert23 ft46Good
Local Road over Mud Creek
No. 000000000230090
0994607011900Stringer/Multi-beam or Girder122 ft46Poor
Local over Stream
No. 000000000230301
0994632021981Culvert22 ft46Fair
Local Road over Trib to Mud Creek
No. 000000000364800
0994610012004Culvert28 ft46Good
FM over Allen Creek
No. 000000000228451
0984436011978Culvert51 ft45Fair
FM over Argo Slough
No. 000000000229581
0994310021980Culvert52 ft45Fair
200th ST over Taft Creek
No. 000000000229781
0994333012014Culvert29 ft45Good
FM over Emery Creek
No. 000000000229860
0994415021970Culvert24 ft45Fair
FM over Small Stream
No. 000000000230751
1004317021977Culvert25 ft45Good
FM over Toole Creek
No. 000000000231221
1004619011979Culvert38 ft45Fair
Log Avenue over West Rat Creek
No. 000000000228001
0984311022020Box Beam or Girders - Multiple45 ft41Good
Local over Stream
No. 000000000228421
0984433021981Culvert33 ft41Fair
Local Road over Small Stream
No. 000000000228720
0984607011900Stringer/Multi-beam or Girder30 ft41Poor
Local Road over Albertson Creek
No. 000000000229070
0984716011900Stringer/Multi-beam or Girder47 ft41Poor
Local Road over Albertson Creek
No. 000000000229121
0984723022008Stringer/Multi-beam or Girder77 ft41Fair
K14 Beech Ave over Plum Creek
No. 000000000229321
0984803061977Culvert38 ft41Fair
Local over Plum Creek
No. 000000000229361
0984810031979Culvert38 ft41Fair
Log Ave over Hess Creek
No. 000000000229721
0994326022015Culvert21 ft41Good
Local Road over Klondike Creek
No. 000000000230510
0994801041900Stringer/Multi-beam or Girder47 ft41Poor
160th ST over Burns Creek
No. 000000000230551
0994812012017Culvert37 ft41Good
Local Road over Klondike Creek
No. 000000000230560
0994812011900Stringer/Multi-beam or Girder62 ft41Poor
FM over Emery Creek
No. 000000000229881
0994420011978Culvert34 ft40Good
FM over Johnson Creek
No. 000000000229911
0994427021980Culvert26 ft40Good
Local Road over Otter Creek
No. 000000000228391
0984428002010Stringer/Multi-beam or Girder78 ft35Fair
Local RD over Argo Slough
No. 000000000229611
0994312012003Culvert25 ft35Good
Local Road over Emery Creek
No. 000000000229920
0994430011900Stringer/Multi-beam or Girder32 ft35Poor
Local Road over Small Stream Overflow
No. 000000000230460
0994725021970Stringer/Multi-beam or Girder20 ft35Fair
Local Road over Creek
No. 000000000364510
1004331021989Culvert25 ft35Good
Kennedy Ave over Dry Run Creek
No. 000000000364935
1004436022005Culvert24 ft35Good
Buchanan Ave over Mclaren Creek
No. 000000000365175
0984812021992Culvert20 ft35Good
Local over Small
No. 000000000365185
1004331021989Culvert20 ft35Good

Structure types in Lyon County

Culvert10939.9%
Stringer/Multi-beam or Girder10638.8%
Slab4014.7%
Box Beam or Girders - Multiple114.0%
Truss - Thru51.8%
Channel Beam20.7%

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