Cass County, Iowa bridges
Cass County has 296 bridges and culverts in the National Bridge Inventory, the oldest built in 1900. 104 (35%) are rated poor. The most common type is stringer/multi-beam or girder (42%).
- Bridges
- 296
- Good
- 27%
- Fair
- 38%
- Poor
- 35%
- 104 bridges
- Average age
- 47.2 yrs
- Posted or closed
- 74
Map of bridges in Cass County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Cass County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good27%(80)
Fair38%(112)
Poor35%(104)
When they were built
Busiest
- I-80 over Camp CreekFair23,500 vehicles/day
- I-80 over Drainage DitchFair23,000 vehicles/day
- I-80 over StreamFair22,400 vehicles/day
- I 80 EB over Indian CreekGood11,800 vehicles/day
- I 80 WB over Indian CreekGood11,800 vehicles/day
Longest
- Fair
- Good
- Good
- Good
- Fair
Oldest
- FM - Lansing over WaterwayPoorBuilt 1900
- Poor
- Truman RD over DrainageFairBuilt 1900
- Local/Rockport over WaterwayPoorBuilt 1900
- FM over WaterwayFairBuilt 1900
All bridges in Cass County
Busiest first · showing 1–200 of 296| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| I-80 over Camp Creek No. 000000000018000 | 1.7 Mi. W. of Jct. Ia 173 | 1965 | Culvert | 37 ft | 23,500 | Fair |
| I-80 over Drainage Ditch No. 000000000018130 | 0.3 Mi. E of Jct. SR N-28 | 1959 | Culvert | 23 ft | 23,000 | Fair |
| I-80 over Stream No. 000000000018050 | 0.3 Mi. E of Jct. SR N-16 | 1965 | Culvert | 27 ft | 22,400 | Fair |
| I 80 EB over Indian Creek No. 000000000017951 | 1.2 Mi. W of Jct. SR M56 | 2013 | Stringer/Multi-beam or Girder | 354 ft | 11,800 | Good |
| I 80 WB over Indian Creek No. 000000000017961 | 1.2 Mi. W of Jct. SR M56 | 2014 | Stringer/Multi-beam or Girder | 354 ft | 11,800 | Good |
| EB I-80 over 570th ST No. 000000000017980 | 2.0 Mi. W of Jct. Ia 173 | 1966 | Slab | 115 ft | 11,750 | Fair |
| WB I-80 over 570th ST No. 000000000017990 | 2.0 Mi. W of Jct. Ia 173 | 1966 | Slab | 115 ft | 11,750 | Fair |
| EB I-80 over 770th Street No. 000000000018210 | 1.7 Mi. E of Ia 148 | 1958 | Stringer/Multi-beam or Girder | 162 ft | 11,650 | Fair |
| WB I-80 over 770th Street No. 000000000018220 | 1.7 Mi. E of Jct. Ia 148 | 1958 | Stringer/Multi-beam or Girder | 162 ft | 11,650 | Fair |
| EB I-80 over Buck Ck & Buck Ck RD No. 000000000018020 | 1.9 Mi. E of Jct. Ia 173 | 1965 | Stringer/Multi-beam or Girder | 171 ft | 11,600 | Fair |
| WB I-80 over Buck Ck & Buck Ck RD No. 000000000018030 | 1.9 Mi. E of Jct. Ia 173 | 1965 | Stringer/Multi-beam or Girder | 171 ft | 11,600 | Fair |
| EB I-80 over East Nishnabotna River No. 000000000018081 | 0.6 Mi. E of Jct. U.S. 71 | 2009 | Stringer/Multi-beam or Girder | 267 ft | 11,550 | Good |
| WB I-80 over East Nishnabotna River No. 000000000018091 | 0.6 Mi. E of Jct. U.S. 71 | 2008 | Stringer/Multi-beam or Girder | 267 ft | 11,550 | Good |
| EB I-80 over Troublesome Creek No. 000000000018141 | 4.5 Mi. E of US 71 | 2003 | Stringer/Multi-beam or Girder | 233 ft | 11,500 | Good |
| WB I-80 over Troublesome Creek No. 000000000018151 | 4.5 Mi. E of US 71 | 2003 | Stringer/Multi-beam or Girder | 233 ft | 11,500 | Good |
| EB I-80 over Crooked Creed No. 000000000018171 | 1.6 Mi. W of Jct. Ia #148 | 2011 | Stringer/Multi-beam or Girder | 202 ft | 11,500 | Good |
| WB I-80 over Crooked Creek No. 000000000018181 | 1.6 Mi. W of Jct. Ia #148 | 2011 | Stringer/Multi-beam or Girder | 202 ft | 11,500 | Good |
| EB I-80 over SR N-28 No. 000000000018110 | At Jct. SR N-28 | 1959 | Stringer/Multi-beam or Girder | 154 ft | 11,450 | Fair |
| WB I-80 over SR (N-28) No. 000000000018120 | At the Jct. SR N28 | 1959 | Stringer/Multi-beam or Girder | 154 ft | 11,450 | Good |
| I 80 EB over US 71 & Bike Trail No. 000000000018061 | At Jct. U.S. 71 | 2009 | Stringer/Multi-beam or Girder | 302 ft | 11,050 | Good |
| I 80 WB over US 71 and Bike Path No. 000000000018071 | At Jct. U.S. 71 | 2008 | Stringer/Multi-beam or Girder | 302 ft | 11,050 | Good |
| US 6 & 71 & Ia 83 over Over Iais RR No. 000000000017441 | 1.2 Mi. E of W Jct. US 71 | 1979 | Stringer/Multi-beam or Girder | 222 ft | 4,620 | Fair |
| Ia 83 over East Nishnabotna River No. 000000000017800 | 2.1 Mi. E of Jct. Ia 173 | 1934 | Stringer/Multi-beam or Girder | 215 ft | 3,690 | Fair |
| US 6 over Stream No. 000000000017430 | 0.8 Mi. W of W JCT Ia 83 | 1928 | Culvert | 23 ft | 3,050 | Fair |
| US 71 over Lone Tree Creek No. 000000000017550 | 0.1 Mi. S of Jct. SR G35 | 1971 | Stringer/Multi-beam or Girder | 311 ft | 2,830 | Good |
| US 71 over Turkey Creek No. 000000000017560 | 0.1 Mi. N of SR G-35 | 1971 | Stringer/Multi-beam or Girder | 205 ft | 2,830 | Good |
| Ia 83 over Buck Creek No. 000000000017781 | 1.0 Mi. E of Ia 173 | 1979 | Stringer/Multi-beam or Girder | 184 ft | 2,810 | Fair |
| US 71 over Four Mile Creek No. 000000000017540 | 2.1 Mi. N of N Jct. 92 | 1971 | Culvert | 22 ft | 2,280 | Fair |
| US 6 & 71 over Troublesome Creek No. 000000000017571 | 1.0 Mi. N of E Jct. Ia 83 | 1993 | Stringer/Multi-beam or Girder | 175 ft | 2,270 | Good |
| US 6 & 71 over East Nishnabotna River No. 000000000017580 | 2.3 Mi. W of Jct. I-80 | 1959 | Stringer/Multi-beam or Girder | 285 ft | 2,270 | Fair |
| Ia 83 over Drainage Ditch No. 000000000017461 | 0.6 Mi. E of S.R. N28 | 1987 | Slab | 82 ft | 2,120 | Good |
| US 71 & Ia 92 over Seven Mile Creek No. 000000000017530 | 0.6 Mi. S of N Jct. Ia 92 | 1970 | Stringer/Multi-beam or Girder | 204 ft | 2,100 | Good |
| Ia 148 over Turkey Creek No. 000000000017931 | 0.2 Mi. S of Ia 83 | 1995 | Stringer/Multi-beam or Girder | 142 ft | 2,010 | Good |
| US 6 over Turkey Creek No. 000000000017420 | 3.7 Mi. E of Jct. Ia #48 | 1959 | Stringer/Multi-beam or Girder | 214 ft | 2,000 | Fair |
| US 6 over Stream No. 000000000017410 | 3.3 Mi. E of Jct. Ia 48 | 1925 | Culvert | 22 ft | 1,960 | Fair |
| US 6 over Indian Creek No. 000000000017380 | 0.4 Mi. E of Jct. Ia 48 | 1959 | Stringer/Multi-beam or Girder | 284 ft | 1,760 | Fair |
| US 6 over Spring Creek No. 000000000017390 | 1.4 Mi. E of Jct. Ia 48 | 1960 | Stringer/Multi-beam or Girder | 184 ft | 1,760 | Fair |
| US 6 over East Nishnabotna River No. 000000000017400 | 2.6 Mi. E of Jct. Ia 48 | 1961 | Stringer/Multi-beam or Girder | 386 ft | 1,760 | Fair |
| Ia 48 over Baughmans Creek No. 000000000017691 | 0.2 Mi. S of Jct. Ia 92 | 1973 | Slab | 103 ft | 1,570 | Fair |
| G 30 White Pole RD over Small Stream No. 000000000017492 | 077342203 | 1993 | Culvert | 21 ft | 1,564 | Fair |
| G 30 White Pole RD over Small Stream No. 000000000017512 | 077341407 | 1993 | Culvert | 28 ft | 1,564 | Good |
| N16 Olive ST over Branch of Buck Creek No. 000000000100951 | 077360902 | 2021 | Stringer/Multi-beam or Girder | 113 ft | 1,524 | Good |
| FM - Olive over Nishnabotna River No. 000000000101160 | 077363302 | 1961 | Stringer/Multi-beam or Girder | 253 ft | 1,524 | Poor |
| Ia 48 over Drainage Ditch No. 000000000017711 | 0.8 Mi. N of Jct. Ia #92 | 1985 | Culvert | 27 ft | 1,490 | Good |
| Ia 92 over Baughmans Creek No. 000000000017811 | 0.3 Mi. E of Jct. Ia 48 | 1992 | Slab | 123 ft | 1,470 | Good |
| Olive ST over Troublesome Creek No. 000000000000490 | 000000000 | 1968 | Stringer/Multi-beam or Girder | 207 ft | 1,442 | Fair |
| Ia 173 over I-80 No. 000000000018010 | At Jct. I-80 | 1964 | Stringer/Multi-beam or Girder | 235 ft | 1,430 | Fair |
| Ia 92 over Stream No. 000000000017841 | 1.0 Mile W of Ia 148 | 2013 | Stringer/Multi-beam or Girder | 124 ft | 1,270 | Good |
| Ia 48 over Drainage Ditch No. 000000000017671 | 1.4 Mi. S of Jct. Ia 92 | 1974 | Slab | 93 ft | 1,250 | Fair |
| Ia 48 over East Nishnabotna River No. 000000000017720 | 2.0 Mi. S of Jct. 6 | 1959 | Stringer/Multi-beam or Girder | 325 ft | 1,120 | Fair |
| Ia 48 over Nishna River Overflow No. 000000000017731 | 1.7 Mi. S. of Jct. US 6 | 1995 | Slab | 133 ft | 1,120 | Good |
| Ia 48 over Clarks Branch No. 000000000017621 | 1.9 Mi. N of SR H14 | 1974 | Culvert | 32 ft | 1,090 | Fair |
| Ia 92 over Sevenmile Creek No. 000000000017821 | 1.7 Mi. W. of Jct. US 71 | 2023 | Stringer/Multi-beam or Girder | 227 ft | 1,060 | Good |
| Ia 92 over Seven Mile Creek No. 000000000017831 | 1.4 Mi. W of SR N-28 | 2002 | Stringer/Multi-beam or Girder | 245 ft | 1,050 | Good |
| Ia 92 over West Nodaway River No. 000000000017851 | 1.9 Mi. E of Jct. Ia 148 | 2010 | Stringer/Multi-beam or Girder | 180 ft | 920 | Good |
| SR N-16 over I-80 No. 000000000018040 | At the Jct. SR N-16 | 1964 | Stringer/Multi-beam or Girder | 222 ft | 837 | Fair |
| Ia 148 over Stream No. 000000000017911 | 1.7 Mi. N of Jct. SR G-43 | 1994 | Culvert | 29 ft | 790 | Good |
| Ia 148 over Seven Mile Creek No. 000000000017921 | 0.9 Mi. S of SR G-35 | 1994 | Slab | 93 ft | 790 | Fair |
| Ia 148 over Stream No. 000000000017860 | 2.2 Mi. S of Jct. SR G-61 | 1959 | Culvert | 21 ft | 770 | Fair |
| Ia 148 over Stream No. 000000000017870 | 1.0 Mi. S of Jct. SR G-61 | 1959 | Culvert | 33 ft | 770 | Fair |
| Ia 148 over Elm Creek No. 000000000017880 | 2.7 Mi. S of Jct. Ia 92 | 1959 | Culvert | 29 ft | 770 | Fair |
| Ia 148 over West Nodaway River No. 000000000017891 | 0.9 Mi. S of Jct. 92 | 2016 | Stringer/Multi-beam or Girder | 183 ft | 770 | Good |
| Ia 83 over Indian Creek No. 000000000017751 | 1.3 Mi. W of S.R. M56 | 1991 | Stringer/Multi-beam or Girder | 217 ft | 760 | Fair |
| Ia 83 over Camp Creek No. 000000000017761 | 0.2 MI W of Jct. SR M-56 | 1991 | Stringer/Multi-beam or Girder | 150 ft | 760 | Fair |
| Ia 83 over Compton Creek No. 000000000017770 | 0.1 Mi. W of Jct. SR M56 | 1936 | Culvert | 20 ft | 760 | Fair |
| Local over Buck Creek No. 000000000099771 | 076370107 | 2005 | Slab | 128 ft | 537 | Fair |
| Jackson ST over Stream No. 000000000501091 | 075352702 | 2007 | Culvert | 25 ft | 481 | Good |
| FM - 690th over Sevenmile Creek No. 000000000098231 | 075351502 | 1971 | Stringer/Multi-beam or Girder | 154 ft | 468 | Poor |
| FM - 690th over Waterway No. 000000000099190 | 076350304 | 1963 | Stringer/Multi-beam or Girder | 144 ft | 450 | Poor |
| FM - 690th over Waterway No. 000000000099300 | 076351502 | 1970 | Slab | 78 ft | 450 | Poor |
| Ia 148 over I-80 No. 000000000018200 | At JCT.80 | 1958 | Stringer/Multi-beam or Girder | 218 ft | 410 | Fair |
| Washington ST over Drainage to Camp Creek No. 000000000007741 | 077372104 | 1983 | Stringer/Multi-beam or Girder | 79 ft | 405 | Poor |
| FM - Lansing over Waterway No. 000000000099730 | 076363401 | 1900 | Culvert | 25 ft | 379 | Poor |
| FM - Lewis over Waterway No. 000000000098802 | 075371504 | 1998 | Arch - Deck | 28 ft | 358 | Good |
| FM - 690th over Jim Creek No. 000000000099401 | 076352204 | 1971 | Slab | 78 ft | 329 | Poor |
| FM - Highland over East Nishnabotna No. 000000000099550 | 076360621 | 1959 | Stringer/Multi-beam or Girder | 253 ft | 329 | Fair |
| G30 Highland RD over Indian Creek No. 000000000099851 | 076370801 | 2024 | Stringer/Multi-beam or Girder | 267 ft | 278 | Good |
| 560th ST over Waterway No. 000000000097482 | 0743704047 | 2015 | Stringer/Multi-beam or Girder | 142 ft | 269 | Good |
| Local - 560th over Creek No. 000000000098861 | 075372802 | 1983 | Tee Beam | 40 ft | 269 | Poor |
| FM - 690th over Troublesome Creek No. 000000000100740 | 077351502 | 1960 | Stringer/Multi-beam or Girder | 170 ft | 210 | Poor |
| N28 690th ST over Whistlers Branch No. 000000000096851 | 074350302 | 2016 | Culvert | 44 ft | 190 | Good |
| FM - 690th over Nodaway River No. 000000000096930 | 074351502 | 1970 | Stringer/Multi-beam or Girder | 170 ft | 190 | Poor |
| Truman RD over Turkey Creek No. 000000000000321 | 077340501 | 1987 | Stringer/Multi-beam or Girder | 142 ft | 170 | Fair |
| W 4th ST over Camp Creek No. 000000000007731 | 077372105 | 1976 | Slab | 128 ft | 170 | Poor |
| M-56 over I-80 No. 000000000017970 | At Jct. SR M-56 | 1965 | Stringer/Multi-beam or Girder | 227 ft | 159 | Good |
| 740th ST over I-80 No. 000000000018190 | 1.0 Mi. W of Ia 148 | 1958 | Stringer/Multi-beam or Girder | 219 ft | 145 | Fair |
| Local - 740th over Crooked Creek No. 000000000100171 | 077340402 | 1984 | Slab | 127 ft | 145 | Fair |
| FM - Oxford over Seven Mile Creek No. 000000000098221 | 075351501 | 1974 | Slab | 128 ft | 139 | Poor |
| Jackson RD over Turkey Creek No. 000000000099591 | 076361406 | 2008 | Slab | 128 ft | 139 | Good |
| FM - Jackson over Waterway No. 000000000099611 | 076361406 | 1985 | Tee Beam | 62 ft | 139 | Poor |
| FM - Jackson over Creek No. 000000000099051 | 076342101 | 1999 | Culvert | 25 ft | 131 | Good |
| G16 Boston RD over Small Creek No. 000000000100551 | 077350701 | 2021 | Slab | 124 ft | 131 | Good |
| FM - Boston over Nishnabotna River No. 000000000100960 | 077361205 | 1951 | Stringer/Multi-beam or Girder | 213 ft | 131 | Poor |
| Local/Buck Crk over East Nishnabotna River No. 000000000101120 | 077363206 | 1900 | Truss - Thru | 201 ft | 123 | Poor |
| Lansing RD over Waterway No. 000000000100081 | 076373401 | 2018 | Slab | 110 ft | 120 | Good |
| FM - 570th over Spring Creek No. 000000000100091 | 076373402 | 1980 | Stringer/Multi-beam or Girder | 83 ft | 120 | Fair |
| Lansing RD over Waterway No. 000000000100111 | 076373502 | 2013 | Stringer/Multi-beam or Girder | 302 ft | 120 | Good |
| Jackson RD over Small Stream No. 000000000099582 | 076361303 | 2015 | Slab | 84 ft | 110 | Good |
| Nishna ST over Small Creek No. 000000000500140 | 000000000 | 1983 | Tee Beam | 20 ft | 101 | Fair |
| Local - Quimby over Nishnabotna River No. 000000000098871 | 075373003 | 2007 | Stringer/Multi-beam or Girder | 347 ft | 100 | Good |
| Truman RD over Drainage No. 000000000000330 | 077342701 | 1900 | Channel Beam | 45 ft | 95 | Fair |
| Local - 770th over Small No. 000000000098021 | 075343602 | 1980 | Stringer/Multi-beam or Girder | 43 ft | 91 | Poor |
| Local - Jasper over Creek No. 000000000099621 | 076362203 | 1984 | Tee Beam | 41 ft | 91 | Fair |
| Local - Jasper over Turkey Creek No. 000000000099632 | 076362203 | 1988 | Slab | 128 ft | 91 | Good |
| Quincy RD over Waterway No. 000000000366215 | 075352701 | 1975 | Culvert | 37 ft | 91 | Poor |
| Local/Rockport over Waterway No. 000000000097970 | 075343203 | 1900 | Truss - Thru | 53 ft | 89 | Poor |
| FM - 660th over Seven Mile Creek No. 000000000098391 | 075353102 | 1979 | Stringer/Multi-beam or Girder | 165 ft | 89 | Fair |
| FM - Highland over Buck Creek No. 000000000099561 | 076360701 | 1983 | Slab | 128 ft | 89 | Fair |
| G16 Boston RD over Branch of Buck Creek No. 000000000100941 | 077360901 | 2022 | Culvert | 29 ft | 89 | Good |
| Local - Nshna V over Nishnabotna River No. 000000000098781 | 075371003 | 1992 | Stringer/Multi-beam or Girder | 291 ft | 82 | Good |
| FM - 730th ST over Waterway No. 000000000096690 | 074340502 | 1969 | Stringer/Multi-beam or Girder | 78 ft | 79 | Fair |
| FM - 570th over Iais RR No. 000000000099790 | 076370304 | 1952 | Stringer/Multi-beam or Girder | 171 ft | 79 | Fair |
| 670th Road over I-80 No. 000000000018100 | 1.7 Mi. E of Jct. US 71 | 1959 | Stringer/Multi-beam or Girder | 218 ft | 72 | Fair |
| Local - York over Three Mile Creek No. 000000000097411 | 074363503 | 1982 | Stringer/Multi-beam or Girder | 82 ft | 72 | Fair |
| Local - 540th over Waterway No. 000000000097501 | 074370606 | 1991 | Tee Beam | 46 ft | 72 | Poor |
| 740th ST over Nodaway River No. 000000000097991 | 074343302 | 2017 | Stringer/Multi-beam or Girder | 142 ft | 72 | Good |
| 620th ST over Turkey Creek No. 000000000099721 | 076363302 | 2012 | Stringer/Multi-beam or Girder | 216 ft | 72 | Good |
| FM - Seattle over Seven Mile Creek No. 000000000097110 | 074360503 | 1968 | Stringer/Multi-beam or Girder | 170 ft | 71 | Fair |
| Indian Creek ST over Trib to Indian Creek No. 000000000098731 | 075370502 | 2021 | Culvert | 29 ft | 71 | Good |
| FM - 710th over Waterway No. 000000000100900 | 077353604 | 1966 | Slab | 102 ft | 71 | Fair |
| Local - 740th over Elm Creek No. 000000000096761 | 074341602 | 1984 | Tee Beam | 50 ft | 62 | Fair |
| 680th ST over West Nodaway River No. 000000000096971 | 074351602 | 2023 | Slab | 151 ft | 62 | Good |
| Local - Wichita over Small No. 000000000097321 | 074362801 | 1976 | Culvert | 22 ft | 62 | Fair |
| Local - Nshna V over Small Stream No. 000000000098771 | 075370903 | 1986 | Tee Beam | 63 ft | 62 | Poor |
| Local - 665th over Turkey Creek No. 000000000099221 | 076350712 | 1991 | Slab | 128 ft | 62 | Good |
| Local - Hamburg over Turkey Creek No. 000000000099251 | 076350903 | 1974 | Truss - Thru | 102 ft | 62 | Poor |
| Local - Eagle over Buck Creek No. 000000000100921 | 077360502 | 1997 | Stringer/Multi-beam or Girder | 61 ft | 62 | Fair |
| G53 Tucson RD over Br W Nodaway River No. 000000000096901 | 074350901 | 2018 | Slab | 103 ft | 60 | Good |
| FM - Yankton over Clarks Branch No. 000000000097692 | 074373203 | 1990 | Stringer/Multi-beam or Girder | 58 ft | 60 | Fair |
| FM over Waterway No. 000000000099060 | 076342201 | 1900 | Stringer/Multi-beam or Girder | 45 ft | 60 | Fair |
| FM - Lansing over Waterway No. 000000000100070 | 076373201 | 1952 | Stringer/Multi-beam or Girder | 210 ft | 60 | Poor |
| FM - Boston over Indian Creek No. 000000000101241 | 077370701 | 1974 | Stringer/Multi-beam or Girder | 246 ft | 60 | Fair |
| Local - Troy over Small Stream No. 000000000097511 | 074370703 | 1986 | Slab | 103 ft | 51 | Good |
| Local - 740th over West Nodaway River No. 000000000097981 | 075343302 | 1978 | Truss - Thru | 64 ft | 51 | Poor |
| N16 610th ST over Bear Branch of Turkey CR No. 000000000098471 | 075360806 | 2022 | Culvert | 25 ft | 51 | Good |
| Local over Sevenmile Creek No. 000000000099022 | 076341501 | 2006 | Tee Beam | 46 ft | 51 | Fair |
| Local - 665th over Creek No. 000000000099341 | 076351804 | 1983 | Tee Beam | 40 ft | 51 | Poor |
| FM - 610th over Turkey Creek No. 000000000099711 | 076363204 | 1973 | Stringer/Multi-beam or Girder | 170 ft | 51 | Fair |
| 570th ST over Small Creek No. 000000000366065 | 077371502 | 2014 | Culvert | 25 ft | 51 | Good |
| FM - Yankton over Waterway No. 000000000097360 | 074363301 | 1958 | Stringer/Multi-beam or Girder | 45 ft | 50 | Poor |
| Local - 650th over W Nodaway River No. 000000000097431 | 074363604 | 1973 | Truss - Thru | 104 ft | 50 | Fair |
| 540th ST over Stream No. 000000000097514 | 074370706 | 1984 | Tee Beam | 40 ft | 50 | Poor |
| Local - 540th over Waterway No. 000000000097541 | 074370706 | 1977 | Slab | 76 ft | 50 | Fair |
| Local - 540th over Lone Tree Branch No. 000000000097601 | 074371902 | 1987 | Tee Beam | 50 ft | 50 | Poor |
| 710th ST over Creek No. 000000000099161 | 076350102 | 2023 | Culvert | 25 ft | 50 | Good |
| Local - Yankton over Waterway No. 000000000096810 | 074343101 | 1951 | Stringer/Multi-beam or Girder | 54 ft | 46 | Poor |
| Local - 700th over Waterway No. 000000000098280 | 075352302 | 1967 | Tee Beam | 40 ft | 46 | Poor |
| Local - Jasper over Nishnabotna River No. 000000000099990 | 076372303 | 1959 | Truss - Thru | 235 ft | 46 | Poor |
| Fairview Road over Small Creek No. 000000000366825 | 077353501 | 2022 | Culvert | 26 ft | 46 | Good |
| 700th ST over Pettitts Branch No. 000000000366870 | 075351402 | 2024 | Culvert | 29 ft | 46 | Good |
| FM - 730th over Elm Creek No. 000000000096740 | 074340802 | 1956 | Channel Beam | 45 ft | 45 | Poor |
| FM - Indian Crk over Trib Indian Creek No. 000000000099971 | 076371904 | 1987 | Slab | 91 ft | 45 | Fair |
| FM - Indian Crk over Waterway No. 000000000100040 | 076372902 | 1955 | Channel Beam | 45 ft | 45 | Poor |
| FM - Boston over Troublesome River No. 000000000100631 | 077351003 | 1977 | Slab | 152 ft | 45 | Fair |
| FM - Boston over Camp Creek No. 000000000101251 | 077370901 | 1976 | Stringer/Multi-beam or Girder | 82 ft | 45 | Fair |
| 710th ST over I-80 No. 000000000018160 | 4.0 Mi. W of Iowa 148 | 1959 | Stringer/Multi-beam or Girder | 223 ft | 41 | Fair |
| Local/Victoria over Small No. 000000000097281 | 074362101 | 1959 | Stringer/Multi-beam or Girder | 44 ft | 41 | Poor |
| Local/Victoria over Three Mile Creek No. 000000000097291 | 074362303 | 1976 | Slab | 77 ft | 41 | Fair |
| Local - Quincy over West Nodaway River No. 000000000097921 | 075342603 | 1982 | Stringer/Multi-beam or Girder | 99 ft | 41 | Poor |
| Local/Richland over Small Stream No. 000000000098631 | 075363201 | 1974 | Slab | 127 ft | 41 | Fair |
| Local - Hamburg over Creek No. 000000000098971 | 076341003 | 1983 | Tee Beam | 42 ft | 41 | Fair |
| Local - 665th over Jim Branch No. 000000000099361 | 076351906 | 1978 | Tee Beam | 40 ft | 41 | Poor |
| Local/Buck Crk over Waterway No. 000000000101050 | 077362002 | 1967 | Tee Beam | 41 ft | 41 | Poor |
| Local/Richland over Waterway No. 000000000098650 | 075363301 | 1959 | Stringer/Multi-beam or Girder | 44 ft | 40 | Poor |
| Local/Richland over Waterway No. 000000000098660 | 075363301 | 1959 | Stringer/Multi-beam or Girder | 44 ft | 40 | Poor |
| Local over Indian Creek No. 000000000101331 | 077371801 | 2004 | Stringer/Multi-beam or Girder | 204 ft | 40 | Good |
| Local - Tucson over West Nodaway River No. 000000000096701 | 074340701 | 1972 | Slab | 102 ft | 35 | Fair |
| Victoria RD over Seven Mile Creek No. 000000000097261 | 074362001 | 2012 | Stringer/Multi-beam or Girder | 167 ft | 35 | Good |
| Seattle RD over Waterway No. 000000000097492 | 074370601 | 2023 | Tee Beam | 51 ft | 35 | Good |
| Local - 765th over Waterway No. 000000000098980 | 076341104 | 1900 | Culvert | 29 ft | 35 | Poor |
| Local - Hamburg over Creek No. 000000000099171 | 076350203 | 1988 | Tee Beam | 40 ft | 35 | Fair |
| Local/Keystone over Turkey Creek No. 000000000099661 | 076362701 | 1900 | Truss - Thru | 140 ft | 35 | Poor |
| Independence RD over Indian River No. 000000000099931 | 076371701 | 2000 | Stringer/Multi-beam or Girder | 183 ft | 35 | Good |
| Akron RD over Waterway No. 000000000100131 | 077340201 | 2017 | Slab | 73 ft | 35 | Good |
| Local - Daytona over Buck Creek No. 000000000101031 | 077361903 | 1980 | Truss - Thru | 106 ft | 35 | Poor |
| FM - Yankton over Nodaway River No. 000000000097050 | 074353101 | 1949 | Stringer/Multi-beam or Girder | 183 ft | 34 | Poor |
| FM - Yankton over Three Mile Creek No. 000000000097391 | 074363401 | 1977 | Stringer/Multi-beam or Girder | 82 ft | 34 | Fair |
| FM - 660th over Jim Creek No. 000000000099350 | 076351902 | 1956 | Channel Beam | 56 ft | 34 | Poor |
| FM - Lansing over Waterway No. 000000000099671 | 076363101 | 1997 | Stringer/Multi-beam or Girder | 75 ft | 34 | Good |
| Yankton RD over Stale Branch No. 000000000096821 | 074343301 | 2017 | Slab | 93 ft | 30 | Good |
| Local - Wichita over Three Mile Creek No. 000000000097310 | 074362603 | 1972 | Tee Beam | 40 ft | 30 | Poor |
| Local - 570th over Waterway No. 000000000097550 | 074371002 | 1955 | Channel Beam | 53 ft | 30 | Poor |
| Local - 720th over Seven Mile Creek No. 000000000097761 | 075340602 | 1978 | Slab | 104 ft | 30 | Fair |
| Local - Quincy over Waterway No. 000000000097940 | 075342801 | 1967 | Tee Beam | 41 ft | 30 | Poor |
| Local - Quincy over Stream No. 000000000097951 | 075342801 | 2002 | Tee Beam | 26 ft | 30 | Fair |
| Local - Quincy over Sevenmile Creek No. 000000000098371 | 075352901 | 1977 | Slab | 128 ft | 30 | Fair |
| Local - 640th over Creek No. 000000000098680 | 075363502 | 1900 | Truss - Thru | 93 ft | 30 | Fair |
| Local - 635th over Troublesome Creek No. 000000000099465 | 076360301 | 1979 | Truss - Thru | 94 ft | 30 | Poor |
| Local - 725th over Turkey Creek No. 000000000100470 | 077343104 | 1973 | Slab | 126 ft | 30 | Fair |
| Local - 730th over Waterway No. 000000000100480 | 077343204 | 1958 | Channel Beam | 32 ft | 30 | Poor |
| Kingbird Ave over Waterway No. 000000000100541 | 077350303 | 2000 | Stringer/Multi-beam or Girder | 60 ft | 30 | Good |
| FM over Troublesome Creek No. 000000000100812 | 077353007 | 2005 | Stringer/Multi-beam or Girder | 192 ft | 30 | Good |
| Local/Buck Crk over Creek No. 000000000101011 | 077361702 | 1988 | Tee Beam | 60 ft | 30 | Fair |
| Local - Chicago over Buck Creek No. 000000000101021 | 077361801 | 1900 | Truss - Thru | 128 ft | 30 | Poor |
| Local/Grt River over Nishnabotna River No. 000000000101081 | 077362704 | 1991 | Stringer/Multi-beam or Girder | 241 ft | 30 | Good |
| G43 Newport RD over West Nodaway Creek No. 000000000097791 | 075341201 | 2019 | Culvert | 38 ft | 29 | Good |
| FM - 660th over Lone Tree Creek No. 000000000098090 | 075350602 | 1900 | Stringer/Multi-beam or Girder | 57 ft | 29 | Poor |
| FM - Boston over Crooked Creek No. 000000000100260 | 077340701 | 1950 | Stringer/Multi-beam or Girder | 154 ft | 29 | Poor |
| Local - Wichita over Nodaway River No. 000000000097031 | 074352903 | 1988 | Truss - Thru | 149 ft | 26 | Poor |
| Local - Upland over Waterway No. 000000000097581 | 074371603 | 1983 | Tee Beam | 40 ft | 26 | Poor |
Structure types in Cass County
| Stringer/Multi-beam or Girder | 124 | 41.9% |
| Slab | 46 | 15.5% |
| Tee Beam | 44 | 14.9% |
| Truss - Thru | 34 | 11.5% |
| Culvert | 33 | 11.1% |
| Channel Beam | 13 | 4.4% |
| Arch - Deck | 1 | 0.3% |
| Box Beam or Girders - Multiple | 1 | 0.3% |
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
- 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
- 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