Decatur County, Iowa bridges
Decatur County has 199 bridges and culverts in the National Bridge Inventory, the oldest built in 1900. 78 (39%) are rated poor. The most common type is stringer/multi-beam or girder (72%).
- Bridges
- 199
- Good
- 19%
- Fair
- 42%
- Poor
- 39%
- 78 bridges
- Average age
- 52.5 yrs
- Posted or closed
- 82
Map of bridges in Decatur County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Decatur County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good19%(37)
Fair42%(84)
Poor39%(78)
When they were built
Busiest
- Rest Area Road over Rest Area RoadFair13,800 vehicles/day
- SB I-35 over Grand RiverFair7,700 vehicles/day
- NB I-35 over Grand RiverFair7,550 vehicles/day
- SB I-35 over 310th StreetFair7,250 vehicles/day
- SB I-35 over StreamGood7,250 vehicles/day
Longest
- Fair
- 280th Street over I-35Fair431 ft
- US 69 over I-35Fair386 ft
- US 69 over Grand RiverFair372 ft
- Good
Oldest
- FM over Elk CreekPoorBuilt 1900
- 117th ST over Sand CreekPoorBuilt 1900
- Local over Indian CreekFairBuilt 1905
- Local over StreamFairBuilt 1910
- Local over Trib of Weldon RiverPoorBuilt 1910
All bridges in Decatur County
Busiest first · showing 1–199 of 199| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| Rest Area Road over Rest Area Road No. 000000000601325 | 3.0 Mi. N of Jct. U.S. 69 | 1994 | Stringer/Multi-beam or Girder | 599 ft | 13,800 | Fair |
| SB I-35 over Grand River No. 000000000022930 | 3.1 Mi. N of Jct. US 69 | 1970 | Stringer/Multi-beam or Girder | 365 ft | 7,700 | Fair |
| NB I-35 over Grand River No. 000000000022920 | 3.1 Mi. N of Jct. US 69 | 1970 | Stringer/Multi-beam or Girder | 365 ft | 7,550 | Fair |
| SB I-35 over 310th Street No. 000000000022840 | 2.5 Mi. S of US 69 | 1970 | Stringer/Multi-beam or Girder | 141 ft | 7,250 | Fair |
| SB I-35 over Stream No. 000000000022860 | 2.0 Mi. N of Mo St. Line | 1970 | Culvert | 22 ft | 7,250 | Good |
| NB I-35 over 310th ST No. 000000000022830 | 2.5 Mi. S of US 69 | 1970 | Stringer/Multi-beam or Girder | 177 ft | 7,100 | Fair |
| NB I-35 over Stream No. 000000000022850 | 1.9 Mi. N of Mo St. Line | 1970 | Culvert | 22 ft | 7,100 | Fair |
| NB I-35 over Stream No. 000000000022870 | 2.0 Mi. S of US 69 | 1970 | Culvert | 27 ft | 7,100 | Fair |
| SB I-35 over 324th Street No. 000000000022820 | At Missouri ST Line | 1970 | Stringer/Multi-beam or Girder | 198 ft | 7,000 | Fair |
| NB I-35 over 324th Street No. 000000000022810 | At Missouri State Line | 1970 | Stringer/Multi-beam or Girder | 198 ft | 6,900 | Fair |
| US 69 & Ia 2 over Over Abandon RR & Stream No. 000000000022640 | 0.4 Mi. N of S Jct. Ia 2 | 1952 | Stringer/Multi-beam or Girder | 253 ft | 3,430 | Fair |
| US 69 over Seven Mile Creek No. 000000000022641 | 1.0 Mi. S of Jct. I-35 | 1972 | Culvert | 33 ft | 2,710 | Fair |
| US 69 over I-35 No. 000000000022600 | At Jct. I-35 | 1970 | Stringer/Multi-beam or Girder | 386 ft | 2,080 | Fair |
| Ia 2 over W Branch Little River No. 000000000022721 | 1.2 Mi. W of W Jct. US 69 | 1986 | Culvert | 22 ft | 1,960 | Fair |
| Ia 2 over I-35 No. 000000000022700 | At Jct. I-35 | 1969 | Stringer/Multi-beam or Girder | 326 ft | 1,930 | Fair |
| Ia 2 over Stream No. 000000000022740 | 1.0 MI E of E JCT US 69 | 1927 | Culvert | 21 ft | 1,720 | Good |
| Ia 2 over Mcgruder Creek No. 000000000022751 | 1.5 Mi. E of E JCT US 69 | 1984 | Stringer/Multi-beam or Girder | 83 ft | 1,720 | Fair |
| Ia 2 over Elk Creek No. 000000000022671 | 0.3 Mi. W of SR R18 | 1985 | Stringer/Multi-beam or Girder | 175 ft | 1,350 | Fair |
| Ia 2 over Brush Creek No. 000000000022681 | 3.6 Mi. W of Jct. I-35 | 1985 | Slab | 93 ft | 1,350 | Fair |
| Ia 2 over Grand River No. 000000000022691 | 3.0 Mi. W 0F Jct. I-35 | 1985 | Stringer/Multi-beam or Girder | 291 ft | 1,350 | Fair |
| Ia 2 over Stream No. 000000000022760 | 3.2 Mi. E of E Jct. US 69 | 1928 | Culvert | 21 ft | 1,330 | Fair |
| Ia 2 over Brush Creek No. 000000000022771 | 3.9 Mi. E of E Jct. US 69 | 1984 | Slab | 103 ft | 1,330 | Fair |
| Ia 2 over Weldon River No. 000000000022781 | 6.0 Mi. E of E JCT US 69 | 1984 | Stringer/Multi-beam or Girder | 226 ft | 1,330 | Fair |
| US 69 over Dickersons Branch No. 000000000022610 | 1.1 Mi. S of SR J-66 | 1928 | Stringer/Multi-beam or Girder | 53 ft | 1,130 | Fair |
| Ia 2 over Stream No. 000000000022651 | 7.9 Mi. W of Jct. I-35 | 1985 | Culvert | 25 ft | 930 | Fair |
| Ia 2 over West Elk Creek No. 000000000022661 | 6.7 Mi. W of Jct. I-35 | 1985 | Stringer/Multi-beam or Girder | 146 ft | 930 | Fair |
| US 69 over Grand River No. 000000000022621 | 0.6 Mi. N of SR J-66 | 2011 | Stringer/Multi-beam or Girder | 372 ft | 820 | Fair |
| US 69 over Little River No. 000000000022630 | 3.8 Mi. N of SR J66 | 1953 | Stringer/Multi-beam or Girder | 324 ft | 820 | Fair |
| FM over Long Creek No. 000000000138940 | 070263205 | 1957 | Stringer/Multi-beam or Girder | 253 ft | 627 | Fair |
| FM over Grand River No. 000000000139210 | 070273403 | 1956 | Stringer/Multi-beam or Girder | 302 ft | 627 | Fair |
| US 69 over Zadie Creek No. 000000000700685 | 0.9 Mi. W. of Jct. I-35 | 1925 | Stringer/Multi-beam or Girder | 35 ft | 610 | Poor |
| FM J-20 over I 35 No. 000000000022990 | At Jct. SR J20 | 1969 | Stringer/Multi-beam or Girder | 331 ft | 588 | Fair |
| J14 over I-35 No. 000000000023000 | At the Jct. SR J14 | 1968 | Stringer/Multi-beam or Girder | 313 ft | 499 | Fair |
| FM over Little River No. 000000000137901 | 069250601 | 1979 | Culvert | 25 ft | 428 | Fair |
| FM over Little River No. 000000000138071 | 069260201 | 1979 | Culvert | 25 ft | 428 | Fair |
| FM over Weldon River No. 000000000137720 | 069240401 | 1957 | Stringer/Multi-beam or Girder | 177 ft | 421 | Poor |
| FM over Jonathan Creek No. 000000000137731 | 069240601 | 2003 | Slab | 116 ft | 421 | Good |
| FM over Weldon River No. 000000000136040 | 067241005 | 1958 | Stringer/Multi-beam or Girder | 254 ft | 379 | Poor |
| FM over Caleb Creek No. 000000000136071 | 067241404 | 1977 | Stringer/Multi-beam or Girder | 142 ft | 379 | Fair |
| J 66 over Stream No. 000000000136291 | 067251812 | 2013 | Stringer/Multi-beam or Girder | 83 ft | 329 | Good |
| FM over Dickenson Branch No. 000000000136440 | 067261104 | 1963 | Stringer/Multi-beam or Girder | 127 ft | 329 | Fair |
| FM over Grand River No. 000000000136480 | 067261305 | 1959 | Stringer/Multi-beam or Girder | 302 ft | 329 | Poor |
| Pleasanton RD over Mcgruder Creek No. 000000000136991 | 068250406 | 2015 | Stringer/Multi-beam or Girder | 123 ft | 329 | Good |
| FM over North Elk Creek No. 000000000022790 | 069273402 | 1939 | Stringer/Multi-beam or Girder | 154 ft | 278 | Poor |
| FM over Small Natural Stream No. 000000000022800 | 070273418 | 1939 | Culvert | 21 ft | 278 | Poor |
| FM over Elk Creek No. 000000000138470 | 069273506 | 1958 | Stringer/Multi-beam or Girder | 178 ft | 240 | Poor |
| FM over Stream No. 000000000139021 | 070270904 | 2006 | Slab | 78 ft | 219 | Good |
| R15 125th Ave over Grand River No. 000000000139081 | 070271604 | 2018 | Stringer/Multi-beam or Girder | 366 ft | 219 | Good |
| R15 125th Ave over Sand Creek No. 000000000139121 | 070272110 | 2019 | Slab | 151 ft | 219 | Good |
| R30 150th Ave over East Fork Big Creek No. 000000000137711 | 068273602 | 2017 | Culvert | 21 ft | 210 | Good |
| FM over Seven Mile Creek No. 000000000136580 | 067271302 | 1969 | Stringer/Multi-beam or Girder | 41 ft | 190 | Poor |
| Local over Stream No. 000000000138030 | 069253008 | 1960 | Stringer/Multi-beam or Girder | 24 ft | 190 | Poor |
| FM over Lick Branch No. 000000000136091 | 067241703 | 1989 | Culvert | 25 ft | 170 | Fair |
| FM over Stream No. 000000000136121 | 067242103 | 1990 | Culvert | 21 ft | 170 | Fair |
| FM over Weldon River No. 000000000136130 | 067242201 | 1951 | Stringer/Multi-beam or Girder | 324 ft | 170 | Fair |
| FM over Little River No. 000000000136260 | 067251309 | 1959 | Stringer/Multi-beam or Girder | 252 ft | 170 | Poor |
| FM over Seven Mile Creek No. 000000000136650 | 067272401 | 1957 | Stringer/Multi-beam or Girder | 70 ft | 131 | Poor |
| Local over East Fork Big Creek No. 000000000136550 | 067270103 | 1967 | Stringer/Multi-beam or Girder | 60 ft | 113 | Poor |
| FM over Little River No. 000000000136190 | 067251003 | 1957 | Stringer/Multi-beam or Girder | 205 ft | 110 | Poor |
| R46 Pleasanton RD over Small Stream No. 000000000136202 | 067251004 | 2017 | Culvert | 22 ft | 110 | Good |
| 215th ST over Mcgruder Creek No. 000000000138061 | 069253303 | 2016 | Slab | 51 ft | 110 | Good |
| 280th Street over I-35 No. 000000000022910 | 1.3 Mi. N of Jct. US 69 | 1970 | Stringer/Multi-beam or Girder | 431 ft | 103 | Fair |
| Local over Dickerson Branch No. 000000000136371 | 067260401 | 2000 | Culvert | 25 ft | 103 | Good |
| J 52 280th ST over Dickenson Branch No. 000000000136381 | 067260403 | 2018 | Stringer/Multi-beam or Girder | 61 ft | 103 | Good |
| Local over Seven Mile Creek No. 000000000136590 | 067271401 | 1963 | Stringer/Multi-beam or Girder | 25 ft | 103 | Poor |
| FM over Grand River No. 000000000139160 | 070272702 | 1959 | Stringer/Multi-beam or Girder | 301 ft | 89 | Fair |
| Local over Seven Mile Creek No. 000000000136671 | 067272611 | 1980 | Stringer/Multi-beam or Girder | 81 ft | 82 | Poor |
| 190th Ave over Trib to Dickersons Branc No. 000000000136422 | 067261002 | 2023 | Stringer/Multi-beam or Girder | 62 ft | 79 | Fair |
| FM over Weldon River No. 000000000138530 | 070242101 | 1951 | Stringer/Multi-beam or Girder | 152 ft | 79 | Poor |
| FM over Stream No. 000000000138880 | 070262804 | 1962 | Stringer/Multi-beam or Girder | 60 ft | 79 | Poor |
| Local over Zadie Creek No. 000000000136600 | 067271502 | 1964 | Stringer/Multi-beam or Girder | 30 ft | 72 | Poor |
| Local over Little River No. 000000000137070 | 068251904 | 1943 | Truss - Thru | 196 ft | 72 | Poor |
| FM over Zadie Creek No. 000000000136641 | 067272203 | 2003 | Stringer/Multi-beam or Girder | 27 ft | 71 | Good |
| Local over Dickenson Branch No. 000000000136450 | 067261202 | 1949 | Stringer/Multi-beam or Girder | 100 ft | 62 | Poor |
| Local over Elk Creek No. 000000000138420 | 069272803 | 1957 | Stringer/Multi-beam or Girder | 80 ft | 62 | Fair |
| Terre Haute RD over I-35 No. 000000000022950 | 1.0 Mi. S of Ia 2 | 1970 | Stringer/Multi-beam or Girder | 316 ft | 60 | Fair |
| 198th Street over I-35 No. 000000000022970 | 1.3 Mi. N of Jct. Ia 2 | 1969 | Stringer/Multi-beam or Girder | 310 ft | 60 | Good |
| FM over Stream No. 000000000137530 | 068263605 | 1940 | Slab | 24 ft | 60 | Poor |
| FM over Pot Hole Creek No. 000000000137580 | 068271302 | 1957 | Stringer/Multi-beam or Girder | 44 ft | 60 | Poor |
| FM over Stream No. 000000000137590 | 068271302 | 1957 | Stringer/Multi-beam or Girder | 57 ft | 60 | Poor |
| FM over Brush Creek No. 000000000137991 | 069252401 | 1980 | Stringer/Multi-beam or Girder | 73 ft | 60 | Poor |
| FM over Trib of Little River No. 000000000138050 | 069253104 | 1969 | Stringer/Multi-beam or Girder | 80 ft | 60 | Poor |
| FM over Brush Creek No. 000000000138480 | 069273606 | 1954 | Stringer/Multi-beam or Girder | 43 ft | 60 | Fair |
| Local over Kilgore Creek No. 000000000137111 | 068252603 | 2001 | Stringer/Multi-beam or Girder | 71 ft | 51 | Fair |
| Local over Stream No. 000000000137140 | 068252908 | 1958 | Stringer/Multi-beam or Girder | 44 ft | 51 | Fair |
| Local over Mormon Pool No. 000000000138541 | 070242702 | 1995 | Culvert | 25 ft | 51 | Fair |
| FM over I 35 No. 000000000022980 | 4.5 Mi. N of Jct. Ia 2 | 1969 | Stringer/Multi-beam or Girder | 344 ft | 50 | Fair |
| FM over Shane Creek No. 000000000136630 | 067272003 | 1950 | Stringer/Multi-beam or Girder | 102 ft | 50 | Poor |
| FM over Trib Grand River No. 000000000139230 | 070273604 | 1967 | Culvert | 21 ft | 50 | Fair |
| Local over Trib of Dickenson Branch No. 000000000136430 | 067261005 | 1965 | Stringer/Multi-beam or Girder | 80 ft | 46 | Poor |
| Local over Kilgore Creek No. 000000000137051 | 068251503 | 1979 | Stringer/Multi-beam or Girder | 41 ft | 46 | Poor |
| FM over Brush Creek No. 000000000136761 | 068240501 | 2001 | Stringer/Multi-beam or Girder | 103 ft | 45 | Good |
| FM over Grand River No. 000000000138270 | 069270106 | 1962 | Stringer/Multi-beam or Girder | 302 ft | 45 | Poor |
| Local over Kilgore No. 000000000136241 | 067251204 | 2001 | Stringer/Multi-beam or Girder | 99 ft | 41 | Fair |
| Local over Stream No. 000000000138000 | 069252506 | 1961 | Stringer/Multi-beam or Girder | 30 ft | 41 | Poor |
| Popcorn RD over Little River No. 000000000138661 | 070251901 | 2016 | Stringer/Multi-beam or Girder | 26 ft | 41 | Good |
| 140th ST over Little River No. 000000000138711 | 070253001 | 2005 | Stringer/Multi-beam or Girder | 51 ft | 41 | Good |
| FM over Steele Creek No. 000000000135980 | 067240204 | 1952 | Stringer/Multi-beam or Girder | 243 ft | 40 | Poor |
| FM over Little River No. 000000000137190 | 068253303 | 1957 | Stringer/Multi-beam or Girder | 182 ft | 40 | Fair |
| 275th ST over Stream No. 000000000137211 | 0682532303 | 2011 | Stringer/Multi-beam or Girder | 43 ft | 40 | Good |
| FM over Elk Creek No. 000000000137571 | 068271202 | 1900 | Truss - Thru | 183 ft | 40 | Poor |
| FM over Jonathon Creek No. 000000000137780 | 069241805 | 1961 | Stringer/Multi-beam or Girder | 152 ft | 40 | Poor |
| FM over Brush Creek No. 000000000137831 | 069243104 | 2004 | Tee Beam | 133 ft | 40 | Good |
| FM over Stream No. 000000000138231 | 069263002 | 1998 | Stringer/Multi-beam or Girder | 43 ft | 40 | Fair |
| Local over Shain Creek No. 000000000136561 | 067270401 | 1991 | Stringer/Multi-beam or Girder | 25 ft | 35 | Fair |
| Local over Little River No. 000000000137061 | 068251803 | 1999 | Stringer/Multi-beam or Girder | 77 ft | 35 | Good |
| Local over Jonathan Creek No. 000000000138550 | 070243102 | 1965 | Stringer/Multi-beam or Girder | 80 ft | 35 | Fair |
| Local over Weldon River No. 000000000138620 | 070251204 | 1955 | Stringer/Multi-beam or Girder | 69 ft | 35 | Poor |
| Local RD over Wolf Creek No. 000000000138811 | 070261104 | 1978 | Stringer/Multi-beam or Girder | 57 ft | 35 | Poor |
| FM over Weldon River No. 000000000136881 | 068241602 | 1994 | Stringer/Multi-beam or Girder | 230 ft | 34 | Good |
| FM over Trib Grand River No. 000000000137420 | 068262302 | 1957 | Culvert | 21 ft | 34 | Fair |
| FM over Brush Creek No. 000000000137931 | 069251302 | 2006 | Stringer/Multi-beam or Girder | 41 ft | 34 | Good |
| 115th ST over Wolf Creek No. 000000000138790 | 070261001 | 1957 | Stringer/Multi-beam or Girder | 70 ft | 34 | Poor |
| Local over Shane Creek No. 000000000136611 | 067271701 | 1978 | Culvert | 21 ft | 30 | Fair |
| Local over Small Stream No. 000000000137151 | 068252806 | 1997 | Stringer/Multi-beam or Girder | 42 ft | 30 | Fair |
| Local over Little River No. 000000000137161 | 068252905 | 1980 | Stringer/Multi-beam or Girder | 101 ft | 30 | Poor |
| Local over Weldon River No. 000000000138570 | 070243301 | 1962 | Stringer/Multi-beam or Girder | 102 ft | 30 | Poor |
| Local over Short Creek No. 000000000139070 | 070271308 | 1967 | Stringer/Multi-beam or Girder | 81 ft | 30 | Poor |
| FM over Kilgore Creek No. 000000000137251 | 068253503 | 1986 | Slab | 103 ft | 29 | Good |
| FM over Jonathan Creek No. 000000000137860 | 069250103 | 1920 | Truss - Thru | 106 ft | 29 | Poor |
| FM over Stream No. 000000000138090 | 069260704 | 1952 | Stringer/Multi-beam or Girder | 69 ft | 29 | Poor |
| FM over Grand River No. 000000000138180 | 069262007 | 1967 | Girder and Floorbeam System | 310 ft | 29 | Fair |
| 290th Ave over Weldon Creek No. 000000000138521 | 070241702 | 2012 | Stringer/Multi-beam or Girder | 80 ft | 29 | Fair |
| FM over Bee Creek No. 000000000138780 | 070260905 | 1957 | Stringer/Multi-beam or Girder | 82 ft | 29 | Poor |
| 250th Street over I 35 No. 000000000022940 | 4.0 Mi. S of Jct. Iowa 2 | 1969 | Stringer/Multi-beam or Girder | 309 ft | 26 | Fair |
| Local over Lick Branch of Weldon R No. 000000000136000 | 067240501 | 1958 | Stringer/Multi-beam or Girder | 61 ft | 26 | Poor |
| FM over Little River No. 000000000137021 | 068250603 | 2000 | Stringer/Multi-beam or Girder | 51 ft | 26 | Fair |
| Local over Trib to Grand River No. 000000000138280 | 069270203 | 1969 | Stringer/Multi-beam or Girder | 80 ft | 26 | Fair |
| FM over Elk Creek No. 000000000138330 | 069270503 | 1950 | Stringer/Multi-beam or Girder | 70 ft | 26 | Fair |
| FM over Elk Creek No. 000000000138361 | 069270805 | 2000 | Stringer/Multi-beam or Girder | 99 ft | 26 | Fair |
| FM over Elk Creek No. 000000000138381 | 069271704 | 1983 | Stringer/Multi-beam or Girder | 95 ft | 26 | Poor |
| Local over Weldon Creek No. 000000000138490 | 070240706 | 1916 | Truss - Thru | 51 ft | 26 | Poor |
| FM over Weldon River No. 000000000138511 | 070240903 | 1973 | Stringer/Multi-beam or Girder | 51 ft | 26 | Poor |
| FM over Long Creek No. 000000000138770 | 070260903 | 1957 | Stringer/Multi-beam or Girder | 176 ft | 26 | Poor |
| Local over Short Creek No. 000000000138961 | 070270204 | 2010 | Stringer/Multi-beam or Girder | 76 ft | 26 | Good |
| Local over Stream No. 000000000136491 | 067261406 | 1988 | Stringer/Multi-beam or Girder | 43 ft | 21 | Poor |
| 207th Ave over Stream No. 000000000136521 | 067262308 | 1977 | Stringer/Multi-beam or Girder | 44 ft | 21 | Poor |
| Local over Kilgore Creek No. 000000000137131 | 068252607 | 1982 | Stringer/Multi-beam or Girder | 132 ft | 21 | Poor |
| Local over Stream No. 000000000137410 | 068262301 | 1954 | Stringer/Multi-beam or Girder | 61 ft | 21 | Fair |
| 225th ST over Elk Creek No. 000000000137541 | 068270203 | 2008 | Stringer/Multi-beam or Girder | 173 ft | 21 | Good |
| Local over Long Creek No. 000000000138081 | 069260503 | 1984 | Stringer/Multi-beam or Girder | 166 ft | 21 | Fair |
| Local over Stream No. 000000000138310 | 069270501 | 1961 | Stringer/Multi-beam or Girder | 30 ft | 21 | Poor |
| Local over Brush Creek No. 000000000138410 | 069272603 | 1920 | Truss - Thru | 82 ft | 21 | Poor |
| Local over Little River No. 000000000138720 | 070253101 | 1960 | Stringer/Multi-beam or Girder | 60 ft | 21 | Poor |
| Local over Long Creek No. 000000000138821 | 070261605 | 1930 | Truss - Thru | 173 ft | 21 | Poor |
| FM over Hog Creek No. 000000000136930 | 068242506 | 1955 | Stringer/Multi-beam or Girder | 70 ft | 20 | Fair |
| J48 250th ST over Unnamed Trib to Grand Rv No. 000000000137321 | 068261600 | 2023 | Slab | 131 ft | 20 | Good |
| FM over Grand River No. 000000000137371 | 068261708 | 1984 | Stringer/Multi-beam or Girder | 293 ft | 20 | Good |
| FM over Stream No. 000000000137450 | 068262601 | 1968 | Stringer/Multi-beam or Girder | 43 ft | 20 | Fair |
| FM over West Elk Creek No. 000000000138440 | 069273003 | 1961 | Stringer/Multi-beam or Girder | 82 ft | 20 | Poor |
| Local over Bee Creek No. 000000000138761 | 070260301 | 1993 | Slab | 128 ft | 20 | Good |
| FM over Turkey Run Creek No. 000000000136791 | 068240504 | 1992 | Culvert | 21 ft | 15 | Fair |
| FM over Weldon River No. 000000000136801 | 068240504 | 1993 | Slab | 128 ft | 15 | Fair |
| Local over Stream No. 000000000136971 | 068243402 | 2002 | Stringer/Multi-beam or Girder | 30 ft | 15 | Fair |
| Local over Elk Creek No. 000000000137290 | 068260703 | 1921 | Truss - Thru | 202 ft | 15 | Poor |
| Local over Britton Branch No. 000000000137301 | 068261205 | 2000 | Stringer/Multi-beam or Girder | 61 ft | 15 | Fair |
| Local over W Fork Big Creek No. 000000000137640 | 068271901 | 1929 | Stringer/Multi-beam or Girder | 24 ft | 15 | Poor |
| Local over W. Fork Big Creek No. 000000000137690 | 068273101 | 1970 | Stringer/Multi-beam or Girder | 49 ft | 15 | Poor |
| FM over Weldon River No. 000000000137750 | 069240903 | 1957 | Stringer/Multi-beam or Girder | 202 ft | 15 | Poor |
| Local over Stream No. 000000000137820 | 069242502 | 1910 | Truss - Thru | 71 ft | 15 | Fair |
| Local over Elk Creek No. 000000000138340 | 069270604 | 1961 | Stringer/Multi-beam or Girder | 80 ft | 15 | Poor |
| Local over Jonathan Creek No. 000000000138681 | 070252604 | 1996 | Stringer/Multi-beam or Girder | 43 ft | 15 | Fair |
| FM over Stream No. 000000000138841 | 070262207 | 1994 | Culvert | 21 ft | 15 | Fair |
| Local over Long Creek No. 000000000138870 | 070262803 | 1915 | Truss - Thru | 142 ft | 15 | Poor |
| FM over Short Creek No. 000000000138951 | 070263206 | 1929 | Girder and Floorbeam System | 73 ft | 15 | Poor |
| FM over Short Creek No. 000000000139061 | 070271303 | 1994 | Stringer/Multi-beam or Girder | 101 ft | 15 | Good |
| Local over Steel Creek No. 000000000136701 | 068240205 | 1999 | Stringer/Multi-beam or Girder | 121 ft | 11 | Good |
| Local over Steel Creek No. 000000000136911 | 068242303 | 1927 | Truss - Thru | 135 ft | 11 | Poor |
| Local over Stream No. 000000000137470 | 068262701 | 1967 | Stringer/Multi-beam or Girder | 39 ft | 11 | Fair |
| Local over Drainage No. 000000000137481 | 068262701 | 1976 | Stringer/Multi-beam or Girder | 35 ft | 11 | Poor |
| Local over S Elk Creek No. 000000000137551 | 068270903 | 2002 | Stringer/Multi-beam or Girder | 107 ft | 11 | Fair |
| Local over S Elk Creek No. 000000000137611 | 068271601 | 2011 | Stringer/Multi-beam or Girder | 101 ft | 11 | Fair |
| Local over Weldon River No. 000000000137760 | 069241602 | 1966 | Truss - Thru | 202 ft | 11 | Poor |
| Local over Creek No. 000000000138240 | 069263007 | 1958 | Stringer/Multi-beam or Girder | 30 ft | 11 | Poor |
| Local over Stream No. 000000000138291 | 069270314 | 2005 | Stringer/Multi-beam or Girder | 53 ft | 11 | Good |
| Local over Stream No. 000000000138371 | 069271202 | 2003 | Stringer/Multi-beam or Girder | 40 ft | 11 | Good |
| Local over Wolf Creek No. 000000000138750 | 070260207 | 1964 | Stringer/Multi-beam or Girder | 40 ft | 11 | Poor |
| FM over Long Creek No. 000000000138830 | 070262101 | 1968 | Truss - Thru | 180 ft | 11 | Poor |
| H50 130th Ave over Short Creek No. 000000000138971 | 070270302 | 1988 | Culvert | 25 ft | 11 | Fair |
| Local over Stream No. 000000000139000 | 070270903 | 1967 | Stringer/Multi-beam or Girder | 33 ft | 11 | Poor |
| 117th ST over Sand Creek No. 000000000139091 | 070271706 | 1900 | Truss - Thru | 85 ft | 11 | Poor |
| Local over Stream No. 000000000136170 | 067250603 | 1966 | Stringer/Multi-beam or Girder | 30 ft | 10 | Poor |
| FM over Steel Creek No. 000000000136821 | 068241403 | 1984 | Stringer/Multi-beam or Girder | 144 ft | 10 | Fair |
| FM over Weldon River No. 000000000136891 | 068241701 | 2003 | Stringer/Multi-beam or Girder | 252 ft | 10 | Good |
| Field Entrance over Side Ditch No. 000000000138930 | 070263205 | 1963 | Stringer/Multi-beam or Girder | 41 ft | 10 | Poor |
| Field Entrance over Side Ditch No. 000000000363845 | 067261004 | 1994 | Slab | 24 ft | 10 | Fair |
| Local over Trib of Dickenson Branch No. 000000000136350 | 067260305 | 1967 | Stringer/Multi-beam or Girder | 84 ft | 5 | Poor |
| 290th ST over Dickenson Branch No. 000000000136361 | 067260305 | 2011 | Stringer/Multi-beam or Girder | 50 ft | 5 | Good |
| Local over Indian Creek No. 000000000136510 | 067262005 | 1905 | Truss - Thru | 72 ft | 5 | Fair |
| Local over Turkey Run No. 000000000136740 | 068240302 | 1951 | Stringer/Multi-beam or Girder | 71 ft | 5 | Fair |
| Local over Weldon River No. 000000000136751 | 068240403 | 1997 | Stringer/Multi-beam or Girder | 152 ft | 5 | Good |
| Local over Trib of Weldon River No. 000000000136900 | 068241702 | 1910 | Truss - Thru | 52 ft | 5 | Poor |
| Local over Kilgore Creek No. 000000000137041 | 068251003 | 1994 | Slab | 24 ft | 5 | Fair |
| Local over Shane Creek No. 000000000137670 | 068272804 | 1967 | Stringer/Multi-beam or Girder | 40 ft | 5 | Poor |
| Local over Weldon River No. 000000000137841 | 069243303 | 1991 | Stringer/Multi-beam or Girder | 160 ft | 5 | Poor |
| Local over Steel Creek No. 000000000137851 | 069243603 | 1989 | Stringer/Multi-beam or Girder | 135 ft | 5 | Fair |
| Local over Stream No. 000000000139201 | 070273102 | 1996 | Stringer/Multi-beam or Girder | 90 ft | 5 | Good |
| Local over West Little River No. 000000000362590 | 069261103 | 1930 | Truss - Thru | 52 ft | 5 | Poor |
| 250th Ave over Stream No. 000000000366030 | 67251002 | 1972 | Truss - Thru | 83 ft | 5 | Poor |
Structure types in Decatur County
| Stringer/Multi-beam or Girder | 143 | 71.9% |
| Culvert | 23 | 11.6% |
| Truss - Thru | 17 | 8.5% |
| Slab | 13 | 6.5% |
| Girder and Floorbeam System | 2 | 1.0% |
| Tee Beam | 1 | 0.5% |
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
- Clayton County 257
- Clinton County 375
- Crawford County 301
- Dallas County 206
- Davis County 163
- 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