Clayton County, Iowa bridges
Clayton County has 257 bridges and culverts in the National Bridge Inventory, the oldest built in 1889. 38 (15%) are rated poor. The most common type is stringer/multi-beam or girder (37%).
- Bridges
- 257
- Good
- 30%
- Fair
- 55%
- Poor
- 15%
- 38 bridges
- Average age
- 59.6 yrs
- Posted or closed
- 100
Map of bridges in Clayton County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Clayton County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good30%(78)
Fair55%(141)
Poor15%(38)
When they were built
Busiest
- US 18 over Mississippi River Ia 76Fair10,100 vehicles/day
- Ia 13 over Roberts CreekGood4,900 vehicles/day
- Bridge ST over Turkey RiverFair4,755 vehicles/day
- US 18 over Unnamed CreekFair4,730 vehicles/day
- US 18 & 52 over Branch Roberts CreekFair4,140 vehicles/day
Longest
- Fair
- US 52 over Turkey RiverFair522 ft
- Fair
- Good
- Fair
Oldest
- Bridge ST over Turkey RiverFairBuilt 1889
- 120th ST over Roberts CreekFairBuilt 1900
- Coffee RD over Plum CreekPoorBuilt 1900
- Kahle Ave over Carlan CRPoorBuilt 1900
- A Ave over StreamFairBuilt 1900
All bridges in Clayton County
Busiest first · showing 1–200 of 257| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| US 18 over Mississippi River Ia 76 No. 000000000020515 | In Marquette | 1974 | Arch - Thru | 2,561 ft | 10,100 | Fair |
| Ia 13 over Roberts Creek No. 000000000020641 | 0.8 Mi. S of S JCT Ia 128 | 1979 | Stringer/Multi-beam or Girder | 271 ft | 4,900 | Good |
| Bridge ST over Turkey River No. 000000000020630 | C25050530 | 1889 | Arch - Deck | 189 ft | 4,755 | Fair |
| US 18 over Unnamed Creek No. 000000000605900 | 0.1 Mi. E of Jct. SR B45 | 1988 | Culvert | 44 ft | 4,730 | Fair |
| US 18 & 52 over Branch Roberts Creek No. 000000000020470 | 0.3 Mi. W of Jct. SR W64 | 1967 | Culvert | 41 ft | 4,140 | Fair |
| US 18 over Bloody Run & Dme RR No. 000000000605890 | 1.3 Mi. W of Jct. Ia. 76 | 1988 | Stringer/Multi-beam or Girder | 470 ft | 4,140 | Fair |
| US 18 & 52 over Natural Stream No. 000000000020480 | 0.6 Mi. W of E Jct. US 52 | 1967 | Stringer/Multi-beam or Girder | 298 ft | 3,780 | Good |
| Ia 76 over Bloody Run Creek No. 000000000020501 | 0.2 Mi. S of N Jct. US 18 | 1994 | Slab | 180 ft | 3,580 | Good |
| Ia 13 over Dry Run Creek No. 000000000020611 | 0.3 Mi. S of Jct. Ia 56 | 1977 | Culvert | 31 ft | 3,370 | Good |
| US 52 over Turkey River No. 000000000020540 | In Millville | 1968 | Stringer/Multi-beam or Girder | 522 ft | 3,340 | Fair |
| US 52 over Miners Creek No. 000000000020561 | 0.2 Mi. S of Jct. SR C7X | 1974 | Slab | 120 ft | 3,340 | Fair |
| Ia 13 over Turkey River No. 000000000604470 | 0.1 Mi. N of Jct. Ia 56 | 1982 | Stringer/Multi-beam or Girder | 281 ft | 2,800 | Good |
| Ia 13 over Turkey River Overflow No. 000000000604480 | 0.3 Mi. N of Jct. Ia #56 | 1982 | Slab | 191 ft | 2,800 | Good |
| US 52 over Mill Creek No. 000000000020521 | 0.5 Mi. S of S.R. C9Y | 1974 | Culvert | 39 ft | 2,780 | Good |
| US 52 over Little Turkey River No. 000000000020531 | 0.3 Mi. S of Jct. SR C9Y | 1974 | Stringer/Multi-beam or Girder | 205 ft | 2,780 | Fair |
| Ia 13 over Cox Creek No. 000000000020581 | 3.0 Mi. S of Jct. SR C24 | 1978 | Slab | 130 ft | 2,680 | Fair |
| Ia 13 over Cox Creek No. 000000000020591 | 0.5 Mi. S of Jct. SR C24 | 1978 | Slab | 155 ft | 2,680 | Fair |
| Ia 13 over Volga River No. 000000000020601 | 4.1 Mi. S of Jct. Ia 56 | 1978 | Stringer/Multi-beam or Girder | 313 ft | 2,680 | Fair |
| Ia 13 over Dry Hollow Creek No. 000000000020651 | 4.9 Mi. N of Jct. Ia 128 | 1978 | Stringer/Multi-beam or Girder | 172 ft | 2,380 | Good |
| US 52 over Branch Pony Creek No. 000000000020571 | 2.8 Mi. N of JCT Ia 128 | 1975 | Culvert | 22 ft | 1,740 | Good |
| Ia 128 over Dry Mill Creek No. 000000000020691 | 2.4 Mi. E of Jct. Ia 13 | 1979 | Stringer/Multi-beam or Girder | 202 ft | 1,420 | Good |
| Ia 56 over Pony Creek No. 000000000604890 | 0.1 Mi. W of Jct. Ia 13 | 1983 | Culvert | 52 ft | 1,280 | Fair |
| Garber RD over Miners Creek No. 000000000005731 | T92NR2WS20NE | 2018 | Slab | 107 ft | 1,259 | Good |
| Ia 76 over Tang Creek No. 000000000020490 | 2.3 Mi. N of Jct. US 18 | 1969 | Culvert | 22 ft | 1,250 | Good |
| Great River RD over Buck Creek No. 000000000119430 | 093023210 | 1979 | Stringer/Multi-beam or Girder | 162 ft | 1,228 | Fair |
| X 28 over Small Stream No. 000000000004781 | T94 R4W S18 | 2014 | Slab | 140 ft | 1,179 | Good |
| FM over Sny Magill No. 000000000120271 | 094032206 | 1980 | Stringer/Multi-beam or Girder | 158 ft | 953 | Fair |
| FM over Buck Creek No. 000000000119481 | 093031604 | 1986 | Slab | 125 ft | 894 | Good |
| Grandview RD over Small Stream No. 000000000118851 | 092041808 | 1984 | Culvert | 25 ft | 874 | Fair |
| Laredo RD over Turkey River No. 000000000118952 | 040000520 | 2002 | Stringer/Multi-beam or Girder | 442 ft | 799 | Good |
| C-02W over Volga River No. 000000000502350 | 009000510 | 1975 | Stringer/Multi-beam or Girder | 255 ft | 690 | Fair |
| Basswood Ave over Roberts Creek No. 000000000121391 | 095061502 | 2002 | Slab | 128 ft | 668 | Fair |
| Garber RD over South Cedar Creek No. 000000000118701 | 000000000 | 2009 | Slab | 130 ft | 638 | Fair |
| Domino RD over Pine Creek No. 000000000119101 | 092060206 | 1973 | Slab | 75 ft | 619 | Fair |
| Domino RD over Wolf Creek No. 000000000119111 | 092060205 | 1973 | Slab | 88 ft | 619 | Fair |
| Domino RD over Schneiders Creek No. 000000000119941 | 093052809 | 1973 | Slab | 75 ft | 619 | Fair |
| Domino RD over Stream No. 000000000119950 | 093052907 | 1920 | Culvert | 31 ft | 619 | Fair |
| Fleetwood RD over Bear CR No. 000000000118475 | 091052206 | 1930 | Culvert | 22 ft | 589 | Poor |
| Bridge ST over Honey Creek No. 000000000502360 | 092052524 | 1973 | Stringer/Multi-beam or Girder | 150 ft | 589 | Poor |
| Great River RD over Panther Creek No. 000000000008750 | 068000500 | 1968 | Slab | 100 ft | 579 | Fair |
| Jaguar RD over Elk Creek No. 000000000365470 | 000000000 | 2009 | Stringer/Multi-beam or Girder | 151 ft | 579 | Good |
| Forestville RD over Stream No. 000000000118550 | 091063504 | 1949 | Stringer/Multi-beam or Girder | 61 ft | 560 | Fair |
| Diplomat RD over Hickory Creek No. 000000000121140 | 095050610 | 1953 | Stringer/Multi-beam or Girder | 44 ft | 511 | Fair |
| Grandview RD over Volga River No. 000000000118890 | 092042605 | 1960 | Stringer/Multi-beam or Girder | 300 ft | 491 | Poor |
| CO X21 over Volga River No. 000000000007330 | 092052510 | 1953 | Stringer/Multi-beam or Girder | 240 ft | 462 | Fair |
| Osterdock RD over Turkey River No. 000000000009100 | 070000500 | 1957 | Stringer/Multi-beam or Girder | 410 ft | 440 | Fair |
| HWY 410 over Drainage Ditch No. 000000000020700 | 091062710 | 1928 | Culvert | 22 ft | 422 | Fair |
| Osterdock RD over Joles Creek No. 000000000118780 | 092033606 | 1942 | Stringer/Multi-beam or Girder | 123 ft | 412 | Fair |
| Great River RD over Blue Bell Creek No. 000000000117961 | 091021303 | 1983 | Slab | 116 ft | 403 | Fair |
| Apple RD over Stream No. 000000000120680 | 094060404 | 1949 | Culvert | 30 ft | 403 | Fair |
| Great River RD over Little Turkey River No. 000000000362280 | 091021501 | 1983 | Stringer/Multi-beam or Girder | 151 ft | 403 | Fair |
| X-28 over Roberts Creek No. 000000000010200 | 070500525 | 1941 | Truss - Thru | 90 ft | 350 | Fair |
| Great River RD over Panther CR No. 000000000117840 | 091012604 | 1968 | Slab | 100 ft | 344 | Fair |
| FM over Howard Creek No. 000000000120571 | 094052406 | 1983 | Slab | 103 ft | 344 | Fair |
| Osterdock RD over Carlan Creek No. 000000000009110 | 070000505 | 1981 | Culvert | 27 ft | 311 | Fair |
| 205th ST over Roberts Creek No. 000000000361711 | 094052503 | 1991 | Stringer/Multi-beam or Girder | 204 ft | 304 | Good |
| Agate RD over Sand Creek No. 000000000120771 | 094062003 | 2002 | Slab | 103 ft | 295 | Fair |
| B64 Agate RD over Stream No. 000000000120781 | 0.5 Miles E Bugle RD | 2018 | Stringer/Multi-beam or Girder | 110 ft | 295 | Good |
| Agate RD over Small Stream No. 000000000120791 | 094062103 | 1978 | Culvert | 28 ft | 295 | Fair |
| Canoe RD over Nagle Creek No. 000000000020671 | 075000500 | 2007 | Slab | 115 ft | 280 | Fair |
| C 24 Canoe RD over Hewett Creek No. 000000000020680 | 092061109 | 1935 | Culvert | 60 ft | 275 | Fair |
| Aspen RD over Willow Creek No. 000000000119130 | 092060507 | 1914 | Slab | 26 ft | 275 | Fair |
| Bush RD over Deep Creek No. 000000000120131 | 093063103 | 1978 | Slab | 103 ft | 275 | Fair |
| Tollgate RD over Small Stream No. 000000000117851 | 091012805 | 1982 | Culvert | 32 ft | 246 | Good |
| Jupiter RD over Wayman Creek No. 000000000118953 | 092043618 | 1951 | Slab | 125 ft | 246 | Fair |
| Jupiter RD over Turkey River No. 000000000361411 | 092043618 | 1983 | Stringer/Multi-beam or Girder | 304 ft | 246 | Good |
| 6th ST over Drainage No. 000000000008230 | M18000800 | 1920 | Slab | 22 ft | 242 | Poor |
| Tuff ST over Small Creek No. 000000000008761 | 000000000 | 1973 | Stringer/Multi-beam or Girder | 39 ft | 232 | Fair |
| 190th ST over Stream No. 000000000120361 | 094042101 | 1988 | Culvert | 20 ft | 206 | Fair |
| 250th ST over Stream No. 000000000364105 | 093042301 | 1999 | Tee Beam | 50 ft | 206 | Good |
| Grape RD over Robert Creek No. 000000000119860 | 093052504 | 1946 | Stringer/Multi-beam or Girder | 210 ft | 196 | Fair |
| Local over Small Ditch No. 000000000504025 | 000000000 | 1908 | Stringer/Multi-beam or Girder | 25 ft | 180 | Fair |
| Mississippi RD over Stream No. 000000000119401 | 093021803 | 2005 | Culvert | 27 ft | 157 | Good |
| Mississippi RD over Small No. 000000000119421 | 093022908 | 1979 | Stringer/Multi-beam or Girder | 43 ft | 157 | Fair |
| Aspen Ave over Roberts Creek No. 000000000121370 | 095060804 | 1957 | Culvert | 27 ft | 157 | Fair |
| Froelich RD over Stream No. 000000000360940 | 095043303 | 1904 | Stringer/Multi-beam or Girder | 31 ft | 154 | Fair |
| 165th ST over Silver Creek No. 000000000120441 | 094050505 | 1990 | Slab | 113 ft | 137 | Good |
| 145th ST over Stream No. 000000000121240 | 095052805 | 1925 | Stringer/Multi-beam or Girder | 31 ft | 137 | Fair |
| Emblem RD over Cox Creek No. 000000000118981 | 092051703 | 2008 | Slab | 120 ft | 135 | Fair |
| Fawn Hollow over Roberts Creek No. 000000000120621 | 094053606 | 1984 | Slab | 177 ft | 128 | Good |
| Fawn Hollow over Roberts Creek No. 000000000119711 | 093050204 | 1984 | Slab | 177 ft | 118 | Good |
| Mesquite RD over Peck Creek No. 000000000118140 | 091030103 | 1913 | Stringer/Multi-beam or Girder | 42 ft | 113 | Poor |
| 232nd ST over Buck Creek No. 000000000119470 | 093030903 | 1973 | Culvert | 124 ft | 113 | Fair |
| Spook Cave RD over Bloody Run No. 000000000121031 | 095042204 | 2004 | Slab | 116 ft | 113 | Good |
| C 5X Harvester RD over Bear Creek No. 000000000118331 | 00000 | 2011 | Slab | 140 ft | 108 | Good |
| 390th ST over Maquoketa River No. 000000000118540 | 091063103 | 1958 | Slab | 125 ft | 108 | Fair |
| Glacier RD over Doe CR No. 000000000118930 | 092043106 | 1958 | Slab | 125 ft | 108 | Fair |
| Fawn Hollow over Roberts Creek No. 000000000120611 | 094053604 | 1984 | Stringer/Multi-beam or Girder | 179 ft | 108 | Good |
| 165th ST over Deer CR No. 000000000120640 | 094060103 | 1957 | Stringer/Multi-beam or Girder | 44 ft | 108 | Fair |
| 165th ST over Roberts CR No. 000000000120650 | 094060103 | 1958 | Stringer/Multi-beam or Girder | 82 ft | 108 | Fair |
| Hickory Ave over Bloody Run No. 000000000121050 | 095042802 | 1920 | Stringer/Multi-beam or Girder | 31 ft | 108 | Fair |
| Cherry Valley R over Stream No. 000000000117981 | 091021507 | 1996 | Culvert | 27 ft | 104 | Good |
| Cherryvalley RD over Small Stream No. 000000000361421 | 091022760 | 2012 | Stringer/Multi-beam or Girder | 26 ft | 104 | Fair |
| Eagle RD over Roberts Creek No. 000000000120541 | 094051604 | 1986 | Slab | 125 ft | 98 | Fair |
| Dolphin Ave over Hickory Creek No. 000000000121121 | Dolphin Ave | 2013 | Slab | 100 ft | 98 | Good |
| Dogwood Ave over Silver Creek No. 000000000121290 | 095053002 | 1930 | Culvert | 27 ft | 98 | Fair |
| 120th ST over Roberts Creek No. 000000000121400 | 095061601 | 1900 | Tee Beam | 37 ft | 98 | Fair |
| Spook Cave RD over Sm Stream No. 000000000120990 | 095041604 | 1954 | Slab | 25 ft | 91 | Fair |
| Crystal RD over Stream No. 000000000119331 | 092062507 | 1988 | Slab | 125 ft | 88 | Good |
| Dolphin Ave over Stream No. 000000000121200 | 095052004 | 1953 | Stringer/Multi-beam or Girder | 44 ft | 88 | Fair |
| Evergreen RD over Volga River No. 000000000363775 | 092052206 | 1995 | Stringer/Multi-beam or Girder | 327 ft | 88 | Good |
| 290th ST over Coon Creek No. 000000000118960 | 092050701 | 1920 | Stringer/Multi-beam or Girder | 33 ft | 82 | Fair |
| Heron Ave over Dry Mill Creek No. 000000000119570 | 093040406 | 1960 | Stringer/Multi-beam or Girder | 33 ft | 82 | Fair |
| 125th ST over Stream No. 000000000121160 | 095051605 | 1957 | Culvert | 27 ft | 82 | Fair |
| Iowa Ave over Elk Creek No. 000000000118381 | T91 R4 S11 | 2014 | Slab | 181 ft | 79 | Good |
| Glacier RD over Stream No. 000000000118400 | 091041704 | 1925 | Stringer/Multi-beam or Girder | 29 ft | 79 | Poor |
| Iowa Ave over Stream No. 000000000118420 | 091042604 | 1940 | Culvert | 27 ft | 79 | Fair |
| Horseshoe RD over Elk Creek No. 000000000118440 | 091042607 | 1939 | Truss - Thru | 110 ft | 79 | Fair |
| Lace Ave over Sm Stream No. 000000000119500 | 093032506 | 1955 | Stringer/Multi-beam or Girder | 31 ft | 79 | Fair |
| FM Buck Ck RD over Stream No. 000000000119540 | 093033605 | 1954 | Stringer/Multi-beam or Girder | 68 ft | 79 | Fair |
| Buck Creek RD over Stream No. 000000000119550 | 093033605 | 1954 | Stringer/Multi-beam or Girder | 31 ft | 79 | Fair |
| Grape RD over Dry Mill Creek No. 000000000119881 | 00000 | 2011 | Slab | 120 ft | 79 | Good |
| Egret RD over Stream No. 000000000119930 | 093052804 | 1940 | Truss - Thru | 50 ft | 79 | Fair |
| King RD over Buck Creek No. 000000000120280 | 094033202 | 1938 | Culvert | 23 ft | 79 | Fair |
| Chariot RD over Stream No. 000000000120880 | 094062703 | 1954 | Stringer/Multi-beam or Girder | 55 ft | 79 | Fair |
| 390th ST over Small Stream No. 000000000362980 | 091063101 | 1958 | Culvert | 31 ft | 79 | Good |
| Iowa Ave over Small Stream No. 000000000364945 | 091042206 | 2005 | Culvert | 28 ft | 79 | Good |
| 310th ST over Stream No. 000000000118571 | 1.8 Miles S of 300th | 2018 | Culvert | 22 ft | 73 | Good |
| Hornet RD over Bear Creek No. 000000000118940 | 092043303 | 1923 | Truss - Thru | 82 ft | 73 | Poor |
| Glider Ave over Stream No. 000000000120331 | 094040706 | 1985 | Culvert | 22 ft | 73 | Good |
| Chariot RD over Sm Stream No. 000000000120760 | 094061907 | 1953 | Culvert | 27 ft | 73 | Fair |
| Essex Ave over Stream No. 000000000121111 | 095050304 | 1910 | Tee Beam | 23 ft | 73 | Poor |
| 125th ST over Stream No. 000000000121150 | 095051603 | 1957 | Culvert | 56 ft | 73 | Fair |
| Lumber RD over Small No. 000000000118281 | 091033604 | 1976 | Stringer/Multi-beam or Girder | 24 ft | 70 | Fair |
| Grape RD over Dry Mill CR No. 000000000119690 | 093043003 | 1959 | Slab | 127 ft | 69 | Fair |
| Cable Ave over Turkey River No. 000000000120870 | 094062608 | 1953 | Stringer/Multi-beam or Girder | 320 ft | 69 | Fair |
| 145th ST over Silver Creek No. 000000000121261 | 095052903 | 1986 | Culvert | 25 ft | 69 | Good |
| 145th ST over Small Creek No. 000000000121271 | 095052903 | 1986 | Culvert | 25 ft | 69 | Fair |
| Eagle RD over Stream No. 000000000121320 | 095053306 | 1955 | Stringer/Multi-beam or Girder | 44 ft | 69 | Fair |
| Nickel RD over Little Turkey No. 000000000117991 | 091021604 | 1935 | Truss - Thru | 60 ft | 62 | Fair |
| Marble RD over Little Turkey River No. 000000000118021 | 091021707 | 1979 | Slab | 128 ft | 62 | Fair |
| Landau RD over Little Turkey No. 000000000118100 | 091023005 | 1955 | Stringer/Multi-beam or Girder | 111 ft | 62 | Fair |
| Graham RD over Stream No. 000000000118120 | 091023008 | 1918 | Slab | 22 ft | 62 | Fair |
| Acorn RD over Stream No. 000000000118531 | 091062906 | 2000 | Culvert | 22 ft | 62 | Good |
| Kennedy RD over Stream No. 000000000118690 | 092031603 | 1955 | Slab | 26 ft | 62 | Poor |
| Bixby RD over Nagle Creek No. 000000000119170 | 092060906 | 1960 | Stringer/Multi-beam or Girder | 44 ft | 62 | Fair |
| Kayak RD over Sny Magill Creek No. 000000000120170 | 094030607 | 1947 | Stringer/Multi-beam or Girder | 120 ft | 62 | Fair |
| Keystone RD over Stream No. 000000000120190 | 094030803 | 1925 | Culvert | 27 ft | 62 | Fair |
| Keystone RD over Stream No. 000000000120240 | 094032204 | 1957 | Slab | 32 ft | 62 | Poor |
| Keystone RD over Stream No. 000000000120250 | 094032204 | 1957 | Culvert | 27 ft | 62 | Fair |
| Keystone RD over Sny Magill No. 000000000120262 | 094032202 | 2017 | Slab | 181 ft | 62 | Good |
| 130th ST over Roberts Creek No. 000000000121411 | 0.5 Miles E Gunder RD | 2017 | Slab | 100 ft | 62 | Good |
| South ST over Small Stream No. 000000000004770 | 020100500 | 1979 | Slab | 100 ft | 60 | Good |
| Horseshoe RD over Steeles Creek No. 000000000118430 | 091042605 | 1953 | Stringer/Multi-beam or Girder | 82 ft | 59 | Fair |
| King RD over Sny Magill CR No. 000000000120200 | 094030808 | 1945 | Stringer/Multi-beam or Girder | 150 ft | 59 | Fair |
| Iris Ave over Bloody Run No. 000000000121041 | 095042404 | 1996 | Slab | 125 ft | 59 | Good |
| 145th ST over Roberts Creek No. 000000000121460 | 095062605 | 1953 | Stringer/Multi-beam or Girder | 125 ft | 59 | Fair |
| 295th ST over Stream No. 000000000118971 | Sec 12 of Cox Creek Twp | 2023 | Box Beam or Girders - Multiple | 70 ft | 51 | Good |
| Bighorn RD over Hewett Creek No. 000000000119290 | 092062204 | 1920 | Stringer/Multi-beam or Girder | 42 ft | 51 | Poor |
| 160th ST over Deer Creek No. 000000000120630 | 094060102 | 1958 | Stringer/Multi-beam or Girder | 44 ft | 51 | Fair |
| 160th ST over Deer Creek No. 000000000120660 | 094060203 | 1956 | Stringer/Multi-beam or Girder | 56 ft | 51 | Fair |
| Coffee RD over Plum Creek No. 000000000117890 | 091013403 | 1900 | Stringer/Multi-beam or Girder | 28 ft | 49 | Poor |
| 215th ST over Small Stream No. 000000000120411 | 094043303 | 1986 | Culvert | 21 ft | 49 | Good |
| Chariot RD over Small Stream No. 000000000120955 | 094063510 | 1956 | Stringer/Multi-beam or Girder | 44 ft | 49 | Poor |
| Chariot RD over Small Stream No. 000000000361840 | 094062611 | 1953 | Stringer/Multi-beam or Girder | 57 ft | 49 | Fair |
| Main St-Fox Ave over Honey Creek No. 000000000007320 | 092052522 | 1925 | Truss - Thru | 84 ft | 47 | Poor |
| 165th ST over Stream No. 000000000120311 | 094040603 | 1975 | Stringer/Multi-beam or Girder | 37 ft | 47 | Fair |
| Big Springs RD over Stream No. 000000000120590 | 094053007 | 1954 | Stringer/Multi-beam or Girder | 56 ft | 47 | Fair |
| Concord Ave over Stream No. 000000000121510 | 095063504 | 1948 | Culvert | 27 ft | 47 | Fair |
| Oak ST over Nagle Creek No. 000000000011580 | 000000000 | 1915 | Truss - Thru | 46 ft | 45 | Poor |
| Lower Cedar RD over Cedar Creek No. 000000000118760 | 092033203 | 1930 | Stringer/Multi-beam or Girder | 44 ft | 44 | Fair |
| Crystal RD over Hewett Creek No. 000000000119211 | 092061404 | 1977 | Slab | 100 ft | 44 | Fair |
| 230th Street over Dry Mill Creek No. 000000000119591 | 093040801 | 1993 | Slab | 113 ft | 44 | Good |
| Mesquite RD over Small Stream No. 000000000117901 | 091020603 | 1986 | Culvert | 25 ft | 41 | Good |
| 352nd ST over Stream No. 000000000117951 | 091021003 | 1998 | Culvert | 22 ft | 41 | Fair |
| 260th ST over Schneiders Creek No. 000000000119910 | 093052803 | 1915 | Stringer/Multi-beam or Girder | 32 ft | 41 | Fair |
| Dove Ave over Silver Creek No. 000000000121251 | 095052902 | 1984 | Culvert | 25 ft | 41 | Fair |
| Echo Ave over Honey Creek No. 000000000118470 | 091050406 | 1951 | Stringer/Multi-beam or Girder | 120 ft | 39 | Fair |
| A Ave over Stream No. 000000000118521 | 091060704 | 1996 | Culvert | 26 ft | 39 | Good |
| 300th ST over Miners Creek No. 000000000118670 | 092031205 | 1916 | Slab | 40 ft | 39 | Poor |
| Fort RD over Stream No. 000000000119060 | 092052703 | 1931 | Culvert | 27 ft | 39 | Fair |
| ST Sebald RD over Stream No. 000000000119310 | 092062303 | 1939 | Truss - Thru | 60 ft | 39 | Fair |
| Bear RD over Ensign Hollow No. 000000000119351 | 092062806 | 1976 | Culvert | 20 ft | 39 | Fair |
| Buck Creek RD over Buck Creek No. 000000000119490 | 093032205 | 1954 | Stringer/Multi-beam or Girder | 125 ft | 39 | Fair |
| 330th ST over Spring Creek No. 000000000119391 | 092063605 | 2012 | Slab | 110 ft | 35 | Fair |
| 250th ST over Dry Mill Creek No. 000000000119631 | 093042003 | 2022 | Slab | 130 ft | 35 | Good |
| 250th ST over Dry Mill Creek No. 000000000119641 | 095062403 | 2022 | Slab | 43 ft | 35 | Good |
| Empire RD over Stream No. 000000000119991 | 0.5 Miles S 270th ST | 2017 | Culvert | 24 ft | 35 | Good |
| Aztec RD over Stream No. 000000000120051 | 093061904 | 2020 | Slab | 43 ft | 35 | Good |
| 190th ST over Sny Magill Creek No. 000000000120210 | 094031606 | 1915 | Slab | 35 ft | 35 | Fair |
| Granite Ave over Dry Hollow No. 000000000120351 | 094041904 | 1950 | Stringer/Multi-beam or Girder | 47 ft | 35 | Fair |
| Kennedy RD over Cedar Creek No. 000000000118610 | 092030703 | 1955 | Stringer/Multi-beam or Girder | 125 ft | 34 | Fair |
| Kennedy RD over Stream No. 000000000118620 | 092030703 | 1955 | Slab | 27 ft | 34 | Fair |
| Kennedy RD over Sm Stream No. 000000000118630 | 092030807 | 1955 | Slab | 33 ft | 34 | Fair |
| Chariot RD over Stream No. 000000000119750 | 093050506 | 1957 | Culvert | 43 ft | 34 | Fair |
| Chariot RD over Sm Stream No. 000000000119755 | 093050506 | 1957 | Culvert | 27 ft | 34 | Fair |
| Chariot RD over Stream No. 000000000120890 | 094062705 | 1954 | Slab | 21 ft | 34 | Fair |
| 348th ST over Dry Run Creek No. 000000000009091 | 020000501 | 2006 | Slab | 100 ft | 30 | Good |
| Belgiam RD over Kleinlein Hollow No. 000000000118492 | 091060204 | 2004 | Culvert | 27 ft | 30 | Good |
| Belgiam RD over Stream No. 000000000118500 | 091060204 | 1930 | Culvert | 27 ft | 30 | Fair |
| Hemlock RD over Stream No. 000000000118831 | 092041004 | 1999 | Culvert | 39 ft | 30 | Fair |
| Hazel RD over Stream No. 000000000118841 | 092041703 | 1978 | Culvert | 27 ft | 30 | Good |
| Hazel RD over Stream No. 000000000118880 | 092042604 | 1954 | Culvert | 27 ft | 30 | Fair |
| 318th ST over Cox Creek No. 000000000118990 | 092052004 | 1920 | Slab | 21 ft | 30 | Poor |
| Keystone RD over Stream No. 000000000120220 | 094031605 | 1958 | Stringer/Multi-beam or Girder | 45 ft | 30 | Fair |
| Hawk Ave over Stream No. 000000000121061 | 1 Mile N of HWY 18 | 2020 | Culvert | 21 ft | 30 | Good |
| Coral Ave over Silver Creek No. 000000000121442 | 095062404 | 2021 | Culvert | 23 ft | 30 | Good |
| Concord Ave over Roberts Creek No. 000000000121450 | 095062604 | 1958 | Stringer/Multi-beam or Girder | 81 ft | 30 | Fair |
| Galaxy RD over Turkey River No. 000000000365845 | 092040689 | 2012 | Truss - Thru | 192 ft | 30 | Good |
| Wayman RD over Wayman Creek No. 000000000118160 | 091030705 | 1952 | Stringer/Multi-beam or Girder | 68 ft | 29 | Fair |
Structure types in Clayton County
| Stringer/Multi-beam or Girder | 95 | 37.0% |
| Culvert | 74 | 28.8% |
| Slab | 68 | 26.5% |
| Truss - Thru | 13 | 5.1% |
| Tee Beam | 4 | 1.6% |
| Arch - Deck | 1 | 0.4% |
| Arch - Thru | 1 | 0.4% |
| Box Beam or Girders - Multiple | 1 | 0.4% |
Other counties in Iowa
- Adair County 303
- Adams County 185
- Allamakee County 197
- Appanoose County 185
- Audubon County 204
- Benton County 373
- Black Hawk County 489
- Boone County 134
- Bremer County 267
- Buchanan County 320
- Buena Vista County 157
- Butler County 287
- Calhoun County 198
- Carroll County 249
- Cass County 296
- Cedar County 300
- Cerro Gordo County 268
- Cherokee County 244
- Chickasaw County 304
- Clarke County 168
- Clay County 154
- Clinton County 375
- Crawford County 301
- Dallas County 206
- Davis County 163
- Decatur County 199
- Delaware County 294
- Des Moines County 173
- Dickinson County 83
- Dubuque County 346
- Emmet County 78
- Fayette County 362
- Floyd County 214
- Franklin County 227
- Fremont County 179
- Greene County 168
- Grundy County 288
- Guthrie County 263
- Hamilton County 165
- Hancock County 135
- Hardin County 241
- Harrison County 222
- Henry County 173
- Howard County 212
- Humboldt County 87
- Ida County 182
- Iowa County 239
- Jackson County 252
- Jasper County 382
- Jefferson County 156
- Johnson County 376
- Jones County 230
- Keokuk County 183
- Kossuth County 266
- Lee County 214
- Linn County 511
- Louisa County 151
- Lucas County 198
- Lyon County 273
- Madison County 225
- Mahaska County 221
- Marion County 217
- Marshall County 303
- Mills County 184
- Mitchell County 167
- Monona County 160
- Monroe County 131
- Montgomery County 209
- Muscatine County 144
- O'Brien County 263
- Osceola County 184
- Page County 191
- Palo Alto County 135
- Plymouth County 430
- Pocahontas County 198
- Polk County 548
- Pottawattamie County 557
- Poweshiek County 243
- Ringgold County 215
- Sac County 221
- Scott County 291
- Shelby County 207
- Sioux County 448
- Story County 302
- Tama County 337
- Taylor County 220
- Union County 172
- Van Buren County 155
- Wapello County 190
- Warren County 238
- Washington County 207
- Wayne County 165
- Webster County 190
- Winnebago County 54
- Winneshiek County 342
- Woodbury County 455
- Worth County 116
- Wright County 175