Johnson County, Iowa bridges
Johnson County has 376 bridges and culverts in the National Bridge Inventory, the oldest built in 1900. 34 (9%) are rated poor. The most common type is stringer/multi-beam or girder (44%).
- Bridges
- 376
- Good
- 41%
- Fair
- 49%
- Poor
- 9%
- 34 bridges
- Average age
- 45.1 yrs
- Posted or closed
- 25
Map of bridges in Johnson County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Johnson County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good41%(156)
Fair49%(186)
Poor9%(34)
When they were built
Busiest
- I 80 EB over Iowa RiverGood32,900 vehicles/day
- US 218 over Deer CreekGood32,400 vehicles/day
- I 80 WB over Iowa RiverGood32,050 vehicles/day
- EB I-80 over Over US 6 & Iais RRFair31,000 vehicles/day
- I 80 WB over Over US 6 & Iais RRFair31,000 vehicles/day
Longest
- Good
- Good
- Good
- Fair
- Good
Oldest
- FM 120th ST over Hoosier CreekFairBuilt 1900
- Swisherview Dr. over Small StreamGoodBuilt 1900
- FM SW Blk Dimnd over StreamFairBuilt 1900
- Lower Old HWY 6 over StreamFairBuilt 1900
- FM over StreamFairBuilt 1900
All bridges in Johnson County
Busiest first · showing 1–200 of 376| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| I 80 EB over Iowa River No. 000000000032091 | 3.0 Mi. W of Jct. Ia 1 | 1960 | Stringer/Multi-beam or Girder | 432 ft | 32,900 | Good |
| US 218 over Deer Creek No. 000000000605565 | 0.9 Mi. S of Jct. I-80 | 1970 | Culvert | 33 ft | 32,400 | Good |
| I 80 WB over Iowa River No. 000000000032101 | 3.0 Mi. W of Jct. Ia 1 | 1960 | Stringer/Multi-beam or Girder | 432 ft | 32,050 | Good |
| EB I-80 over Over US 6 & Iais RR No. 000000000032011 | 0.9 Mi. E of Jct. I-380 | 1995 | Stringer/Multi-beam or Girder | 572 ft | 31,000 | Fair |
| I 80 WB over Over US 6 & Iais RR No. 000000000032021 | 0.6 Mi. W of JCT SR W60 | 1992 | Stringer/Multi-beam or Girder | 564 ft | 31,000 | Fair |
| EB I-80 over Cic Railway No. 000000000032060 | 3.0 Mi. E of Jct. I-380 | 1963 | Stringer/Multi-beam or Girder | 174 ft | 30,600 | Fair |
| WB I-80 over Cic Railway No. 000000000032070 | 3.0 Mi. E of Jct. I-380 | 1963 | Stringer/Multi-beam or Girder | 174 ft | 30,600 | Fair |
| I 380 NB over W-60 & Cric RR No. 000000000600460 | 7.4 Mi. N of Jct. I-80 | 1971 | Stringer/Multi-beam or Girder | 380 ft | 27,900 | Fair |
| I 380 SB over W-60 & Cic RR No. 000000000600470 | 7.4 Mi. N of Jct. I-80 | 1972 | Stringer/Multi-beam or Girder | 381 ft | 27,900 | Fair |
| US 6 over Iowa River No. 000000000031570 | 0.2 Mi. E of E Jct. Ia 1 | 1957 | Stringer/Multi-beam or Girder | 324 ft | 27,600 | Fair |
| US 6 over Ralston Creek No. 000000000031580 | 0.3 Mi. E of E Jct. Ia #1 | 1957 | Culvert | 33 ft | 27,600 | Fair |
| US 6 over Clear Creek No. 000000000031531 | 0.3 Mi. W of Jct. 1st Ave | 1998 | Slab | 213 ft | 27,200 | Good |
| NB I-380 over Iowa River No. 000000000600480 | 7.9 Mi. N of JCT I-80 | 1972 | Stringer/Multi-beam or Girder | 429 ft | 27,200 | Fair |
| SB I-380 over Iowa River No. 000000000600490 | 7.9 Mi. N of Jct. I-80 | 1972 | Stringer/Multi-beam or Girder | 429 ft | 27,200 | Fair |
| I 380 NB over Iais RR No. 000000000600391 | 0.7 Mi. N of Jct. I-80 | 2021 | Stringer/Multi-beam or Girder | 227 ft | 26,550 | Good |
| I 380 SB over Iais RR No. 000000000600401 | I-80 / I-380 Interchange | 2022 | Stringer/Multi-beam or Girder | 227 ft | 26,550 | Good |
| I 380 NB over US 6 No. 000000000600411 | I-80 / I-380 Interchange | 2021 | Stringer/Multi-beam or Girder | 287 ft | 26,550 | Good |
| I 380 SB over US 6 No. 000000000600421 | I-80 / I-380 Interchange | 2022 | Stringer/Multi-beam or Girder | 287 ft | 26,550 | Good |
| EB I-80 over Ia 965/CORAL Ridge Ave No. 000000000032030 | 1.6 Mi. E of Jct. I-380 | 1963 | Stringer/Multi-beam or Girder | 227 ft | 25,850 | Fair |
| I 80 WB over Ia 965/CORAL Ridge Ave No. 000000000032040 | 1.6 Mi. E of Jct. I-380 | 1963 | Stringer/Multi-beam or Girder | 227 ft | 25,150 | Fair |
| 1st Ave over Clear Creek No. 000000000002580 | 000000000 | 1969 | Slab | 150 ft | 23,500 | Good |
| Ia 1 over Drainage Ditch No. 000000000031711 | 0.6 Mi. N of Jct. US 218 | 1949 | Culvert | 52 ft | 19,000 | Fair |
| I 380 NB over Clear Creek No. 000000000600371 | 0.5 Mi. N of Jct. 80 | 2021 | Stringer/Multi-beam or Girder | 328 ft | 18,000 | Good |
| I 380 SB over Clear Creek No. 000000000600381 | I-80 / I-380 Interchange | 2022 | Stringer/Multi-beam or Girder | 327 ft | 18,000 | Good |
| I 80 EB over W38 (black Hawk Ave) No. 000000000031930 | 5.5 Mi. E of U.S. 151 | 1964 | Stringer/Multi-beam or Girder | 133 ft | 16,250 | Fair |
| WB I-80 over W38 (black Hawk Ave) No. 000000000031940 | At Jct. SR W38. | 1964 | Stringer/Multi-beam or Girder | 133 ft | 15,950 | Fair |
| 1st Ave over Ralston Creek S. Branch No. 000000000504420 | 079061300 | 1997 | Culvert | 37 ft | 14,992 | Good |
| I380 SB to I80 EB over I 80 Ramps E & G No. 000000000700735 | I-80 / I-380 Interchange | 2022 | Stringer/Multi-beam or Girder | 861 ft | 14,400 | Good |
| I380 SB to I80 EB over Clear Creek No. 000000000700740 | I80/I380 Interchange | 2022 | Stringer/Multi-beam or Girder | 252 ft | 14,400 | Good |
| Benton ST over Iowa River No. 000000000006251 | 079061500 | 1990 | Stringer/Multi-beam or Girder | 479 ft | 14,383 | Fair |
| Gilbert ST over Ralston Creek No. 000000000006450 | 079061500 | 1972 | Slab | 83 ft | 14,025 | Poor |
| I 80 EB over Clear Creek No. 000000000031991 | I-80 / I-380 Interchange | 2023 | Stringer/Multi-beam or Girder | 252 ft | 13,800 | Good |
| I80 WB to I380 NB over Clear Creek No. 000000000600366 | I-80/I-380/US 218 Interch | 2021 | Stringer/Multi-beam or Girder | 260 ft | 13,800 | Good |
| I 80 EB over I 80 WB to US 218 SB No. 000000000700710 | I-80/I-380 Interchange | 2023 | Stringer/Multi-beam or Girder | 158 ft | 13,800 | Good |
| Ia 1 over Ralston Creek No. 000000000031740 | 0.6 Mi. N of N Jct. US 6 | 1932 | Stringer/Multi-beam or Girder | 61 ft | 13,500 | Fair |
| I 80 WB over Clear Creek No. 000000000032001 | I-80 / I-380 Interchange | 2022 | Stringer/Multi-beam or Girder | 252 ft | 13,450 | Good |
| I 80 WB over I 80 WB to US 218 SB No. 000000000700715 | I-80 / I-380 Interchange | 2022 | Stringer/Multi-beam or Girder | 158 ft | 13,450 | Good |
| Mormon Trk Blvd over Willow Creek No. 000000000501190 | 079061700 | 1971 | Culvert | 21 ft | 12,954 | Fair |
| Park RD over Iowa River No. 000000000006351 | 079060300 | 2018 | Arch - Thru | 444 ft | 12,300 | Good |
| Melrose Ave over Iais RR No. 000000000006310 | 079061600 | 1997 | Stringer/Multi-beam or Girder | 206 ft | 12,001 | Fair |
| SB US 218 over Melrose Av No. 000000000605560 | 2.3 Mi. N of Jct. Ia 1 | 1983 | Stringer/Multi-beam or Girder | 308 ft | 11,650 | Fair |
| NB US 218 over Melrose Ave No. 000000000605555 | 2.3 Mi. N of Jct. Ia 1 | 1983 | Stringer/Multi-beam or Girder | 319 ft | 11,400 | Good |
| US 6 over Drainage No. 000000000701285 | 0.48 MI W of I380 | 1948 | Culvert | 25 ft | 11,400 | Fair |
| Ia 1 NB over Iowa River No. 000000000031720 | 079061000 | 1915 | Arch - Deck | 342 ft | 10,950 | Poor |
| Ia 1 SB over Iowa River No. 000000000031730 | In Iowa City | 1969 | Stringer/Multi-beam or Girder | 355 ft | 10,950 | Good |
| US 6 over Stream No. 000000000031500 | 1.5 Mi. W of Jct. SR 965 | 1960 | Culvert | 21 ft | 10,500 | Good |
| SB US 218 over Old Man Creek Overflow No. 000000000604990 | 0.6 Mi. N of Jct. SR F62 | 1983 | Slab | 103 ft | 10,450 | Good |
| NB US 218 over Old Man Creek Overflow No. 000000000604985 | 0.6 Mi. N of Observ. Ave | 1983 | Slab | 103 ft | 10,250 | Fair |
| 12th Ave over I-80 No. 000000000032050 | 3.0 Mi. E of JCT I-380 | 1962 | Stringer/Multi-beam or Girder | 226 ft | 10,192 | Fair |
| Mormon Trk Blvd over Willow Creek No. 000000000504495 | 079061700 | 2000 | Culvert | 22 ft | 10,001 | Good |
| SB US 218 over Crooked Creek No. 000000000604570 | 2.4 Mi. N of Jct. Ia 22 | 1982 | Stringer/Multi-beam or Girder | 126 ft | 9,850 | Fair |
| SB US 218 over Old Man Creek No. 000000000604600 | 0.7 Mi. S of Jct. SR F62 | 1982 | Stringer/Multi-beam or Girder | 267 ft | 9,850 | Good |
| US 218 Ia 27 SB over I380 SB to I80 EB Ramp F No. 000000000700695 | I-80 I-380 US 218 Inter | 2021 | Stringer/Multi-beam or Girder | 176 ft | 9,850 | Good |
| Ia 1 over Rapid Creek No. 000000000031790 | 1.1 Mi. N of Jct. I-80 | 1967 | Slab | 128 ft | 9,800 | Fair |
| Camp Cardinal R over Clear Creek No. 000000000501481 | 000000000 | 1984 | Stringer/Multi-beam or Girder | 167 ft | 9,800 | Good |
| I 380 NB over I 80 No. 000000000600351 | I-80 / I-380 Interchange | 2021 | Stringer/Multi-beam or Girder | 347 ft | 9,650 | Good |
| NB US 218 over Crooked Creek No. 000000000604560 | 2.3 Mi. S of SR F62. | 1982 | Stringer/Multi-beam or Girder | 126 ft | 9,650 | Good |
| NB US 218 over Old Man Creek No. 000000000604590 | 0.7 MI S of S Jct. SR F62 | 1982 | Stringer/Multi-beam or Girder | 267 ft | 9,650 | Good |
| US 218 Ia 27 NB over I380 SB to I80 EB Ramp F No. 000000000700690 | I-80 I-380 US 218 Inter | 2021 | Stringer/Multi-beam or Girder | 176 ft | 9,650 | Good |
| I 380 NB over I 80 WB Ramps No. 000000000700700 | I-80 / I-380 Interchange | 2021 | Stringer/Multi-beam or Girder | 282 ft | 9,650 | Good |
| I 380 SB over I 80 WB Ramps No. 000000000700705 | I-80 / I-380 Interchange | 2021 | Stringer/Multi-beam or Girder | 282 ft | 9,650 | Good |
| Muscatine Ave over Ralston Ck S Branch No. 000000000503655 | 079061400 | 1972 | Culvert | 40 ft | 9,524 | Fair |
| Ia 1 NB over I-80 No. 000000000031770 | At Jct. I-80 | 1962 | Stringer/Multi-beam or Girder | 240 ft | 9,350 | Good |
| Ia 1 SB over I-80 No. 000000000031780 | At Jct. I-80 | 1962 | Stringer/Multi-beam or Girder | 256 ft | 9,350 | Good |
| 1st Ave NB over I 80 No. 000000000700141 | 1st Ave NB over I-80 | 2023 | Stringer/Multi-beam or Girder | 205 ft | 9,000 | Good |
| FM F-28 over I-380 No. 000000000205005 | At Jct. SR F28 | 1970 | Stringer/Multi-beam or Girder | 258 ft | 8,900 | Fair |
| F44 Herbert Hoover over I 80 No. 000000000032161 | 3.0 Mi. E of Jct. Ia 1 | 2021 | Stringer/Multi-beam or Girder | 285 ft | 8,800 | Good |
| SB US 218 over F50 (oak Crest Hill Rd) No. 000000000605005 | 1.6 Mi. S of Jct. Ia 1 | 1983 | Stringer/Multi-beam or Girder | 241 ft | 8,700 | Fair |
| Ireland Avenue over Clear Creek No. 000000000205071 | 080073304 | 1973 | Slab | 128 ft | 8,339 | Good |
| NB US 218 over F50 (oak Crest Hill Rd) No. 000000000605000 | 1.6 Mi. S of Jct. Ia 1 | 1983 | Stringer/Multi-beam or Girder | 241 ft | 8,150 | Good |
| Front ST over Muddy Creek No. 000000000204902 | 000000000 | 2002 | Culvert | 25 ft | 7,700 | Fair |
| NB Ia 1 over US 218 No. 000000000605540 | At JCT U.S. 218 | 1983 | Stringer/Multi-beam or Girder | 268 ft | 7,650 | Good |
| SB Ia 1 over US 218 No. 000000000605545 | At JCT U.S. 218 | 1983 | Stringer/Multi-beam or Girder | 268 ft | 7,650 | Fair |
| Muscatine Ave over Ralston Creek No. 000000000500780 | 079061400 | 1979 | Culvert | 43 ft | 7,256 | Fair |
| 1st Ave over Ralston Creek N. Branch No. 000000000503885 | 079061200 | 1984 | Culvert | 28 ft | 7,143 | Fair |
| Dubuque ST over Iowa River No. 000000000204951 | 080063318 | 1991 | Stringer/Multi-beam or Girder | 446 ft | 6,900 | Fair |
| FM F-12 over I-380 & US 218 No. 000000000205625 | 2.9 Mi. S of CO RD E70. | 1972 | Stringer/Multi-beam or Girder | 263 ft | 6,800 | Good |
| I80 EB to US218 SB over I80 WB to US 218 SB No. 000000000700730 | I-80 to I-380 Interchange | 2020 | Stringer/Multi-beam or Girder | 877 ft | 6,700 | Good |
| Rochester Ave over Ralston Creek No. 000000000006331 | 079061100 | 2014 | Stringer/Multi-beam or Girder | 58 ft | 6,667 | Good |
| 1st Avenue over Muddy Creek No. 000000000359281 | 080063204 | 1988 | Slab | 128 ft | 6,625 | Good |
| Ia 1 over Stream No. 000000000031701 | 0.6 Mi. N of SR F52 | 2020 | Culvert | 32 ft | 6,300 | Good |
| W Benton ST over Willow Creek No. 000000000501200 | 079061700 | 1971 | Culvert | 21 ft | 6,100 | Fair |
| Ia 1 over Mill Creek No. 000000000031841 | 0.1 Mi. N of Solon | 1985 | Slab | 93 ft | 6,000 | Fair |
| Ia 1 over Unnamed Stream No. 000000000031851 | .4 MI S of Jct. SR F12/14 | 2014 | Culvert | 25 ft | 6,000 | Good |
| Mccollister Blv over Iowa River No. 000000000504890 | 079062201 | 2009 | Stringer/Multi-beam or Girder | 396 ft | 6,000 | Good |
| Oakdale Blvd over Muddy Creek No. 000000000504280 | 000000000 | 1996 | Slab | 165 ft | 5,803 | Good |
| US 6 over Snyder Creek No. 000000000031590 | 0.7 Mi. W of SR X14 | 1957 | Culvert | 29 ft | 5,400 | Fair |
| Iowa Ave over Iowa River No. 000000000501180 | 79060900 | 1916 | Arch - Deck | 315 ft | 5,400 | Poor |
| US 6 over Drainage Ditch No. 000000000031450 | 1.8 Mi. E of Jct. SR W38 | 1953 | Culvert | 27 ft | 5,300 | Fair |
| US 6 over Stream No. 000000000031460 | 3.1 Mi. E of Jct. SR W38 | 1953 | Culvert | 23 ft | 5,300 | Fair |
| US 6 over Stream No. 000000000031470 | 4.0 Mi. E of Jct. SR W38. | 1923 | Culvert | 30 ft | 5,300 | Fair |
| US 6 over Pig Run Creek No. 000000000031480 | 4.1 Mi. E of Jct. SR W-38 | 1923 | Culvert | 21 ft | 5,300 | Fair |
| US 6 over Buffalo Creek No. 000000000031490 | 3.0 Mi. W of Jct. I-380 | 1961 | Slab | 102 ft | 5,300 | Fair |
| Morman Trek Blv over Willow Creek No. 000000000364790 | 079062100 | 2005 | Culvert | 43 ft | 5,200 | Good |
| Holiday RD over Over Cic RR No. 000000000503610 | 000000000 | 1979 | Slab | 102 ft | 5,126 | Fair |
| F28 Mehaffey Br RD over Iowa River No. 000000000205601 | 32R6WT80N | 2015 | Stringer/Multi-beam or Girder | 562 ft | 5,100 | Good |
| Ia 1 over Stream No. 000000000031671 | 2.1 Mi. S. of Co. Rd. F52 | 2020 | Culvert | 25 ft | 4,890 | Good |
| Ia 1 over Old Mans Creek No. 000000000031681 | 1.5 Mi. S of SR F52 | 2020 | Stringer/Multi-beam or Girder | 302 ft | 4,890 | Good |
| Ia 1 over Old Womans Creek No. 000000000031691 | 0.6 Mi. N of SR F52 | 2020 | Stringer/Multi-beam or Girder | 139 ft | 4,890 | Good |
| Ia 1 over Old Mans Crk E Overflow No. 000000000701000 | 0.8 Mi. S of SR F52 | 2020 | Culvert | 37 ft | 4,890 | Good |
| Ia 1 over Old Mans Crk E Ovrflw No. 000000000701005 | 0.8 MI S of SR F52 | 2020 | Culvert | 37 ft | 4,890 | Good |
| Scott Blvd over Ralston Creek N. Branch No. 000000000504565 | 079060100 | 2003 | Culvert | 26 ft | 4,858 | Good |
| US218 NB to I80 EB over Clear Creek No. 000000000605146 | I-80/I-380/US 218 Interch | 2021 | Stringer/Multi-beam or Girder | 252 ft | 4,830 | Good |
| Kirkwood Ave over Ralston Creek No. 000000000006390 | 079061500 | 1935 | Culvert | 62 ft | 4,693 | Poor |
| Dodge ST over Over Iais RR No. 000000000006470 | 079061500 | 1970 | Stringer/Multi-beam or Girder | 194 ft | 4,688 | Poor |
| FM over I-80 No. 000000000031970 | 1.5 Mi. W of Jct. I-380 | 1963 | Stringer/Multi-beam or Girder | 218 ft | 4,676 | Fair |
| Summit ST over Over Iais RR No. 000000000006491 | 079061400 | 1999 | Stringer/Multi-beam or Girder | 171 ft | 4,651 | Good |
| Rohret RD over US 218 No. 000000000605550 | 1.1 Mi. N of Jct. Iowa #1 | 1983 | Stringer/Multi-beam or Girder | 410 ft | 4,601 | Fair |
| Prairieduchien RD over I 80 No. 000000000032130 | 1.3 Mi. W of Jct. Ia 1 | 1962 | Stringer/Multi-beam or Girder | 226 ft | 4,310 | Fair |
| Zeller Street over Muddy Creek No. 000000000505165 | West of Crandic RR | 1999 | Culvert | 26 ft | 4,290 | Fair |
| HWY 965 over Iowa River No. 000000000031660 | 081072206 | 1956 | Stringer/Multi-beam or Girder | 432 ft | 4,280 | Good |
| Ia 22 over Iowa River No. 000000000031861 | 0.4 Mi. W of SR W66 | 1987 | Stringer/Multi-beam or Girder | 443 ft | 4,250 | Good |
| Oakdale Blvd over Muddy Creek No. 000000000365425 | 080063304 | 2009 | Culvert | 48 ft | 4,020 | Good |
| Oakdale Blvd over Muddy Creek No. 000000000504960 | 000000000 | 2012 | Culvert | 48 ft | 4,020 | Good |
| FM Ely RD over Lingle Creek No. 000000000205510 | 081060904 | 1955 | Stringer/Multi-beam or Girder | 132 ft | 3,930 | Fair |
| I80 EB to US218 SB over Land No. 000000000700725 | I-80 / I-380 Interchange | 2020 | Stringer/Multi-beam or Girder | 570 ft | 3,910 | Good |
| HWY 382 over Small Natural Stream No. 000000000031900 | 081061407 | 1962 | Culvert | 38 ft | 3,810 | Fair |
| HWY 382 over Small Natural Stream No. 000000000031910 | 081062303 | 1958 | Culvert | 39 ft | 3,810 | Fair |
| NB Dubuque ST over I 80 No. 000000000032120 | At the Jct. of S.R. W66 | 1963 | Stringer/Multi-beam or Girder | 240 ft | 3,750 | Fair |
| FM Mahaffy Br R over Stream No. 000000000205591 | 081062806 | 2000 | Slab | 40 ft | 3,730 | Fair |
| SB Ia 1 over Ralston Creek No. 000000000031750 | 2.5 Mi. S of Jct. I-80 | 1953 | Frame | 56 ft | 3,650 | Fair |
| F44 Hoover HWY NE over Br Wapsinonoc Creek No. 000000000366820 | 0507900375 | 2022 | Culvert | 25 ft | 3,390 | Good |
| FM Sand RD over Stream No. 000000000204085 | 079063502 | 1976 | Culvert | 23 ft | 3,330 | Fair |
| Ia 1 NB over Ralston Creek No. 000000000031762 | 2.3 Mi. S. of I-80 | 2019 | Slab | 45 ft | 2,850 | Good |
| I80 EB to I380 NB over I 80/US 218/IA 27 No. 000000000700720 | I-80 / I-380 Interchange | 2020 | Stringer/Multi-beam or Girder | 2,771 ft | 2,800 | Good |
| SB Dubuque ST over I 80 No. 000000000032110 | At the Jct. of S.R. W66 | 1963 | Stringer/Multi-beam or Girder | 240 ft | 2,750 | Fair |
| FM Sand RD over Snyder Creek No. 000000000203130 | 078060204 | 1964 | Stringer/Multi-beam or Girder | 68 ft | 2,620 | Fair |
| FM Sand RD over Stream No. 000000000203141 | 078060204 | 2005 | Tee Beam | 73 ft | 2,620 | Good |
| Washington ST over Ralston Creek No. 000000000500810 | 079061000 | 1910 | Slab | 34 ft | 2,487 | Poor |
| Riverside DR over 218 RR and Riverside DR No. 000000000504835 | 079062100 | 2006 | Culvert | 39 ft | 2,410 | Good |
| Johnson ST over Ralston Creek No. 000000000006460 | 079061000 | 1930 | Stringer/Multi-beam or Girder | 32 ft | 2,356 | Poor |
| US218NB to I80 WB over I 80 Ramps F & G No. 000000000700745 | I-80/I-380 Interchange | 2023 | Stringer/Multi-beam or Girder | 1,350 ft | 2,340 | Good |
| Evans ST over Ralston Creek No. 000000000006500 | 079061100 | 1911 | Culvert | 21 ft | 2,176 | Poor |
| Sheridan Ave over Ralston Creek S Branch No. 000000000006290 | 079061400 | 1957 | Stringer/Multi-beam or Girder | 22 ft | 2,105 | Fair |
| FM 520th ST over Iowa River No. 000000000203355 | 078062301 | 1971 | Stringer/Multi-beam or Girder | 348 ft | 2,060 | Poor |
| S Riverside DR over Willow Creek No. 000000000503620 | 079062200 | 1971 | Culvert | 23 ft | 2,048 | Good |
| Forevergreen RD over I 380 No. 000000000600431 | 2 Mi. N of I-80 | 2017 | Stringer/Multi-beam or Girder | 285 ft | 2,027 | Good |
| FM Utah Ave over Stream No. 000000000203021 | 078052702 | 1998 | Culvert | 23 ft | 2,020 | Good |
| FM James Ave over Buffalo Creek No. 000000000205020 | 0.3M North of Ireland Ave | 1960 | Culvert | 23 ft | 1,990 | Fair |
| FM Prare Du Chn over Rapid Creek No. 000000000204961 | 080063504 | 1975 | Stringer/Multi-beam or Girder | 154 ft | 1,970 | Fair |
| College ST over Ralston Creek No. 000000000500800 | 079061000 | 1971 | Frame | 181 ft | 1,940 | Fair |
| Jefferson ST over Ralston Creek No. 000000000006320 | 079061100 | 1958 | Slab | 22 ft | 1,802 | Fair |
| Oakcresthill RD over Drainage Ditch No. 000000000031631 | 078061502 | 2003 | Culvert | 36 ft | 1,670 | Fair |
| Prentiss ST over Ralston Creek No. 000000000500791 | 079061500 | 2020 | Culvert | 40 ft | 1,664 | Good |
| FM 120th ST over Br Plum CR No. 000000000205791 | 081081201 | 1989 | Culvert | 21 ft | 1,630 | Fair |
| Observatory Ave over US 218 No. 000000000604605 | At Hills Ia Interchange | 1980 | Stringer/Multi-beam or Girder | 262 ft | 1,580 | Fair |
| Oakcresthill RD over Drainage Ditch No. 000000000031601 | 078063308 | 2011 | Stringer/Multi-beam or Girder | 71 ft | 1,530 | Good |
| Oakcresthill RD over Drainage Ditch No. 000000000031611 | T78N R6W 28 | 2018 | Culvert | 25 ft | 1,530 | Good |
| Oakcresthill RD over Old Man Creek No. 000000000031621 | 078062114 | 2005 | Stringer/Multi-beam or Girder | 229 ft | 1,530 | Good |
| FM 120th ST over Hoosier Creek No. 000000000205490 | 081060509 | 1900 | Stringer/Multi-beam or Girder | 153 ft | 1,500 | Fair |
| FM Am Legion RD over Snyder Creek No. 000000000203951 | 079051703 | 1978 | Slab | 78 ft | 1,480 | Fair |
| Golfview Drive over Muddy Creek No. 000000000505160 | East of Crandic RR | 2012 | Culvert | 52 ft | 1,480 | Fair |
| N Augusta Ave over Hurtzell Run Creek No. 000000000031881 | 000000000 | 1973 | Slab | 83 ft | 1,478 | Fair |
| FM SW Blk Hwk D over N Br Old Mans CR No. 000000000204271 | 079080508 | 2000 | Culvert | 21 ft | 1,450 | Fair |
| FM SW Blk Hwk D over N Br Old Mans CR No. 000000000204281 | 079080508 | 2000 | Culvert | 36 ft | 1,450 | Good |
| Woolf Ave over US 6 & RR No. 000000000031541 | 079060900 | 1998 | Slab | 192 ft | 1,400 | Fair |
| Deer Ck RD over Deer Creek No. 000000000204091 | 079070102 | 1972 | Slab | 91 ft | 1,363 | Fair |
| Deer Creek RD over Stream No. 000000000205081 | 000000000 | 1972 | Stringer/Multi-beam or Girder | 154 ft | 1,267 | Fair |
| NW 120th ST over Stream No. 000000000205770 | 081080801 | 1966 | Slab | 103 ft | 1,250 | Fair |
| FM Morse RD over Rapid CR No. 000000000204620 | 080050903 | 1930 | Stringer/Multi-beam or Girder | 34 ft | 1,220 | Fair |
| FM Sand RD SE over Buck Creek No. 000000000202870 | 077060204 | 1964 | Slab | 103 ft | 1,210 | Fair |
| FM Sand RD over Pechman Creek No. 000000000203381 | 078062404 | 1976 | Slab | 103 ft | 1,210 | Fair |
| Fm-Blackhawk Av over Clear Creek No. 000000000205231 | 080082904 | 1995 | Stringer/Multi-beam or Girder | 167 ft | 1,200 | Fair |
| Swisherview Dr. over Small Stream No. 000000000502760 | 000000000 | 1900 | Culvert | 21 ft | 1,168 | Good |
| FM SW Wapello a over Br Prairie CR No. 000000000202741 | 077052202 | 1977 | Culvert | 23 ft | 1,110 | Fair |
| Van Buren ST over Ralston Creek No. 000000000501300 | 079061500 | 1935 | Culvert | 28 ft | 1,082 | Poor |
| FM Iwv RD over Old Womens CR No. 000000000204161 | 079071701 | 2006 | Culvert | 23 ft | 1,020 | Good |
| FM Sugar Btm RD over Turkey Creek No. 000000000204870 | 080061105 | 1964 | Slab | 78 ft | 990 | Fair |
| FM Prare Du Chn over Br Rapid Creek No. 000000000204911 | 080062604 | 1993 | Culvert | 23 ft | 980 | Fair |
| South Park RD over I 80 No. 000000000031981 | 0.4 MI.WI-80/I-380INTCHG | 2023 | Stringer/Multi-beam or Girder | 341 ft | 970 | Good |
| FM SW Blk Dimnd over Stream No. 000000000204590 | 079083405 | 1900 | Culvert | 23 ft | 970 | Fair |
| Jasper Ave over Stream No. 000000000205031 | 000000000 | 1985 | Stringer/Multi-beam or Girder | 163 ft | 970 | Good |
| FM 250th ST over Br Buffalo Ck No. 000000000205000 | 080070903 | 1978 | Culvert | 23 ft | 920 | Fair |
| FM SW 540th Ave over Deer Creek No. 000000000203800 | 078082903 | 1976 | Stringer/Multi-beam or Girder | 68 ft | 900 | Fair |
| FM 540th ST over Stream No. 000000000202970 | 078052001 | 1955 | Slab | 33 ft | 880 | Fair |
| FM 520th ST over Pechman Creek No. 000000000203370 | 078062403 | 1974 | Stringer/Multi-beam or Girder | 43 ft | 880 | Poor |
| FM over Over Iais RR No. 000000000204021 | 079052704 | 1993 | Stringer/Multi-beam or Girder | 146 ft | 820 | Good |
| FM Ivy Ave over Deer Creek No. 000000000204111 | 079070402 | 1994 | Culvert | 27 ft | 790 | Fair |
| F 62 (520th St) over Big Slough CR No. 000000000202991 | F62 7.5 Mi. East of Hills | 2012 | Slab | 110 ft | 760 | Good |
| Newport RD over Br Turkey CR No. 000000000204921 | 080062608 | 1976 | Culvert | 23 ft | 760 | Fair |
| Meadow ST over Ralston Creek S. Branch No. 000000000006561 | 079061300 | 2005 | Slab | 43 ft | 754 | Good |
| Iowa Ave over Ralston Creek No. 000000000500820 | 079061000 | 1910 | Culvert | 28 ft | 754 | Poor |
| Taft Ave over Stream No. 000000000204050 | 079053202 | 1966 | Stringer/Multi-beam or Girder | 58 ft | 734 | Fair |
| FM Johns-Iowa R over Stream No. 000000000205750 | 081080602 | 1966 | Slab | 26 ft | 730 | Fair |
| FM over Old Mans Creek No. 000000000204600 | 079083504 | 1969 | Stringer/Multi-beam or Girder | 182 ft | 700 | Fair |
| FM SW 500th ST over Deer Creek No. 000000000203741 | 078081701 | 1973 | Slab | 91 ft | 690 | Fair |
| FM SW Blk Dimnd over Old Mans Creek No. 000000000204561 | 000000000 | 2009 | Stringer/Multi-beam or Girder | 201 ft | 670 | Good |
| 140th ST NE over Stream No. 000000000205641 | 081071603 | 1977 | Stringer/Multi-beam or Girder | 45 ft | 663 | Fair |
| SW Blk Diamond over Old Womans Creek No. 000000000204191 | 079072705 | 2006 | Stringer/Multi-beam or Girder | 61 ft | 650 | Fair |
| FM SW Blk Dimnd over N Branch Old Mans Creek No. 000000000204220 | 079073009 | 1968 | Slab | 103 ft | 650 | Fair |
| Dane RD over US 218 No. 000000000605535 | 0.8 Mi. S of Jct. Ia #1 | 1983 | Stringer/Multi-beam or Girder | 409 ft | 630 | Good |
| Cosgrove Road over N Br Old Mans Creek No. 000000000204462 | 079082502 | 2023 | Slab | 150 ft | 620 | Good |
| FM 250th ST over Drainage Ditch No. 000000000205090 | 080080903 | 1978 | Culvert | 23 ft | 620 | Fair |
| FM Sutliff RD over Clear Creek No. 000000000205271 | 081050102 | 1974 | Stringer/Multi-beam or Girder | 154 ft | 610 | Fair |
| FM over Miller Creek No. 000000000203751 | 078081902 | 2001 | Slab | 78 ft | 600 | Fair |
| W 62 over Old Mans Creek No. 000000000204251 | 0790736 | 2014 | Stringer/Multi-beam or Girder | 201 ft | 550 | Good |
| FM SW 500th ST over Old Mans Creek No. 000000000203251 | 078061603 | 1996 | Stringer/Multi-beam or Girder | 229 ft | 510 | Good |
| Lower Old HWY 6 over Stream No. 000000000205180 | 080082303 | 1900 | Culvert | 27 ft | 510 | Fair |
| FM F-62 over US 218 No. 000000000604980 | 0.5 Mi. N of Jct. SR F62 | 1980 | Stringer/Multi-beam or Girder | 258 ft | 510 | Good |
| Rapid Creek RD over Br Rapid CR No. 000000000204821 | T80N R5W 29 | 2019 | Stringer/Multi-beam or Girder | 58 ft | 490 | Good |
Structure types in Johnson County
| Stringer/Multi-beam or Girder | 164 | 43.6% |
| Culvert | 105 | 27.9% |
| Slab | 89 | 23.7% |
| Channel Beam | 7 | 1.9% |
| Frame | 4 | 1.1% |
| Truss - Thru | 2 | 0.5% |
| Arch - Deck | 2 | 0.5% |
| Arch - Thru | 1 | 0.3% |
| Tee Beam | 1 | 0.3% |
| Box Beam or Girders - Multiple | 1 | 0.3% |
Other counties in Iowa
- Adair County 303
- Adams County 185
- Allamakee County 197
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