Marshall County, Iowa bridges
Marshall County has 303 bridges and culverts in the National Bridge Inventory, the oldest built in 1900. 130 (43%) are rated poor. The most common type is stringer/multi-beam or girder (50%).
- Bridges
- 303
- Good
- 33%
- Fair
- 24%
- Poor
- 43%
- 130 bridges
- Average age
- 54.9 yrs
- Posted or closed
- 96
Map of bridges in Marshall County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Marshall County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good33%(100)
Fair24%(73)
Poor43%(130)
When they were built
Busiest
- US 30 over Davisons CreekFair14,700 vehicles/day
- Ia 14 over Linn CreekGood13,300 vehicles/day
- Ia 14 over UP RR Madison&market STFair13,300 vehicles/day
- So. 6th St. over Linn CreekFair11,300 vehicles/day
- So Center ST over Linn CreekPoor10,448 vehicles/day
Longest
- Poor
- Fair
- S 3rd ST over UP RR & STFair854 ft
- Poor
- Ia 330 over Iowa RiverGood567 ft
Oldest
- W State ST over DrainagePoorBuilt 1900
- Local over Branch N Skunk RiverPoorBuilt 1910
- 140th ST over Minerva CreekPoorBuilt 1912
- Local over Snipe CreekPoorBuilt 1915
- FM over Minerva CreekPoorBuilt 1915
All bridges in Marshall County
Busiest first · showing 1–200 of 303| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| US 30 over Davisons Creek No. 000000000035340 | 1.4 Miles W of JCT Ia 146 | 1954 | Culvert | 52 ft | 14,700 | Fair |
| Ia 14 over Linn Creek No. 000000000007901 | In Marshalltown | 1985 | Stringer/Multi-beam or Girder | 243 ft | 13,300 | Good |
| Ia 14 over UP RR Madison&market ST No. 000000000007911 | In Marshalltown | 1985 | Stringer/Multi-beam or Girder | 862 ft | 13,300 | Fair |
| So. 6th St. over Linn Creek No. 000000000503805 | 083183400 | 1984 | Stringer/Multi-beam or Girder | 245 ft | 11,300 | Fair |
| So Center ST over Linn Creek No. 000000000035400 | 084183504 | 1951 | Stringer/Multi-beam or Girder | 105 ft | 10,448 | Poor |
| So Center ST over RR and Madison ST No. 000000000035410 | 084183504 | 1951 | Stringer/Multi-beam or Girder | 1,604 ft | 9,491 | Poor |
| Ia 330 SB over North Timber Creek No. 000000000035641 | 2.9 Miles S of JCT US 30 | 1979 | Slab | 134 ft | 9,000 | Good |
| S 3rd ST over UP RR & ST No. 000000000503800 | 084183500 | 1984 | Stringer/Multi-beam or Girder | 854 ft | 9,000 | Fair |
| Ia 330 over Drainage Ditch No. 000000000035611 | 1.8 MI S of N JCT SR S52 | 1982 | Culvert | 34 ft | 8,300 | Good |
| Ia 330 NB over North Skunk River No. 000000000035620 | 0.8 Mi. N of Jct. SR S-52 | 1969 | Stringer/Multi-beam or Girder | 218 ft | 8,300 | Fair |
| US 30 WB over UP RR No. 000000000608295 | 1.0 Mile W of JCT SR T31 | 2001 | Stringer/Multi-beam or Girder | 179 ft | 7,500 | Good |
| WB US 30 over Timber Creek No. 000000000601695 | 3.0 Miles E of JCT Ia 14 | 1995 | Stringer/Multi-beam or Girder | 192 ft | 7,450 | Good |
| US 30 EB over Over UP RR No. 000000000035331 | 1.0 Mile W of JCT SR T31 | 1986 | Stringer/Multi-beam or Girder | 180 ft | 7,350 | Good |
| EB US 30 over Timber Creek No. 000000000035321 | 3.0 Miles E of JCT Ia 14 | 1996 | Stringer/Multi-beam or Girder | 192 ft | 7,300 | Good |
| US 30 WB over UPRR No. 000000000608265 | 0.5 Mile W of JCT Ia 146 | 2003 | Stringer/Multi-beam or Girder | 258 ft | 7,200 | Good |
| US 30 EB over UPRR No. 000000000608255 | 0.5 Mile W of JCT Ia 146 | 2004 | Stringer/Multi-beam or Girder | 258 ft | 7,050 | Good |
| S. 18th Ave over Over UP RR No. 000000000503240 | 084173100 | 1980 | Stringer/Multi-beam or Girder | 279 ft | 6,813 | Poor |
| Ia 14 over Drainage Ditch No. 000000000035440 | 0.2 Miles South of SR E27 | 1952 | Culvert | 25 ft | 5,900 | Fair |
| US 30 WB over Iowa #146 No. 000000000608250 | At Junction With Ia 146 | 2002 | Stringer/Multi-beam or Girder | 203 ft | 5,450 | Good |
| US 30 EB over Iowa #146 No. 000000000608245 | At Junction With Ia 146 | 2002 | Stringer/Multi-beam or Girder | 203 ft | 5,300 | Good |
| US 30 WB over Oaks Ave No. 000000000601885 | 2.5 Miles W of JCT Ia 14 | 1996 | Stringer/Multi-beam or Girder | 191 ft | 5,200 | Good |
| US 30 WB over Ramp B to Ia Ave No. 000000000601895 | 2.1 Mi. E of Jct. Ia 330 | 1996 | Stringer/Multi-beam or Girder | 230 ft | 5,200 | Good |
| US 30 EB over Oaks Ave No. 000000000601880 | 2.5 Miles W of JCT Ia 14 | 1996 | Stringer/Multi-beam or Girder | 191 ft | 5,100 | Good |
| US 30 EB over Ramp B to Ia Ave No. 000000000601890 | 2.2 Miles E of JCT Ia 330 | 1996 | Stringer/Multi-beam or Girder | 230 ft | 5,100 | Good |
| E Nevada ST over Linn Creek No. 000000000007841 | 084183600 | 1987 | Slab | 203 ft | 5,041 | Fair |
| Ia 14 over Trib. Burnett Creek No. 000000000035451 | 0.3 Mi. S of Ia 330 | 1987 | Culvert | 29 ft | 4,500 | Good |
| Ia 330 NB over North Timber Creek No. 000000000608730 | 2.7 Miles S of JCT US 30 | 2002 | Slab | 132 ft | 4,500 | Good |
| Ia 14 over Middle Timber Creek No. 000000000035381 | 1.1 Miles N of JCT SR E63 | 1985 | Slab | 123 ft | 4,250 | Fair |
| Ia 14 over Timber Creek No. 000000000035391 | 1.2 Miles S of Jct. US 30 | 1992 | Slab | 138 ft | 4,250 | Fair |
| Ia 14 over Little Asher Creek No. 000000000035461 | 2.3 Miles North of Ia 330 | 1987 | Slab | 83 ft | 4,220 | Good |
| Ia 330 over Clear Creek No. 000000000035591 | 1.8 Mi. S of S JCT SR S52 | 1979 | Stringer/Multi-beam or Girder | 154 ft | 4,150 | Fair |
| Ia 330 SB over North Skunk River No. 000000000608720 | 0.9 MI N of N JCT SR S52 | 2002 | Stringer/Multi-beam or Girder | 219 ft | 4,150 | Good |
| Ia 330 SB over Clear Creek No. 000000000608830 | 1.7 MI S of S JCT SR S52 | 2002 | Stringer/Multi-beam or Girder | 208 ft | 4,150 | Good |
| Ia 14 over South Timber Creek No. 000000000035361 | 0.1 Mi. N of S JCT SR E63 | 1985 | Stringer/Multi-beam or Girder | 150 ft | 3,920 | Good |
| E Anson ST over Anson Creek No. 000000000007791 | 084183601 | 1976 | Culvert | 39 ft | 3,603 | Fair |
| WB US 30 over Ia 14 No. 000000000601620 | At the Jct. of Ia 14 | 1995 | Stringer/Multi-beam or Girder | 272 ft | 3,600 | Good |
| Local over UP RR & Lynn Ck No. 000000000035660 | 083180603 | 1971 | Girder and Floorbeam System | 710 ft | 3,584 | Poor |
| EB US 30 over Ia 14 No. 000000000601615 | At Junction With Ia 14 | 1995 | Stringer/Multi-beam or Girder | 276 ft | 3,550 | Good |
| E Main ST over Linn Creek No. 000000000007850 | 084182501 | 1972 | Slab | 210 ft | 3,399 | Fair |
| SB Ia 330 over US 30 No. 000000000035651 | At Junction US 30 | 2006 | Stringer/Multi-beam or Girder | 275 ft | 3,050 | Good |
| NB Ia 330 over US 30 No. 000000000608735 | At Junction With US 30 | 2001 | Stringer/Multi-beam or Girder | 275 ft | 3,050 | Good |
| NB Ia 14 over Iowa River No. 000000000035420 | 0.8 Mile S of JCT SR E27 | 1968 | Stringer/Multi-beam or Girder | 481 ft | 2,950 | Fair |
| SB Ia 14 over Iowa River No. 000000000035431 | 0.8 Mile South of SR E27 | 1987 | Stringer/Multi-beam or Girder | 478 ft | 2,950 | Fair |
| S 18th Ave over US 30 No. 000000000601910 | 1.5 Miles E of JCT Ia 14 | 1995 | Stringer/Multi-beam or Girder | 282 ft | 2,847 | Good |
| FM over Rock Creek No. 000000000243290 | 084172813 | 1965 | Slab | 102 ft | 2,838 | Poor |
| FM over Iowa River No. 000000000243310 | 084172907 | 1955 | Stringer/Multi-beam or Girder | 534 ft | 2,838 | Poor |
| Ia 330 over Iowa River No. 000000000243411 | 1.0 MI N of N JCT SR E29 | 2001 | Stringer/Multi-beam or Girder | 567 ft | 2,790 | Good |
| Ia 330 over Stream No. 000000000243480 | 0.7 Miles N of JCT SR E35 | 1970 | Culvert | 40 ft | 2,780 | Good |
| E Olive ST over Anson Creek No. 000000000007770 | 083180201 | 1967 | Culvert | 26 ft | 2,517 | Fair |
| Ia 330 over Linn Creek No. 000000000242530 | 1.8 Miles N of Jct. US 30 | 1964 | Stringer/Multi-beam or Girder | 154 ft | 2,390 | Fair |
| Summit ST over Stream No. 000000000505185 | 084182700 | 2012 | Culvert | 54 ft | 2,348 | Good |
| Ia 146 over Stream No. 000000000035481 | 0.3 Mile North of SR E63 | 2013 | Culvert | 23 ft | 2,200 | Good |
| Ia 146 over Drainage Ditch No. 000000000035501 | 2.5 Miles S of JCT US 30 | 1979 | Culvert | 25 ft | 2,200 | Good |
| Ia 146 over UP RR No. 000000000607300 | 0.5 MI South US#30 | 2019 | Stringer/Multi-beam or Girder | 287 ft | 2,200 | Good |
| FM over Rock Creek No. 000000000243281 | 084172702 | 1971 | Culvert | 41 ft | 1,964 | Fair |
| N. 18th Ave. over Linn Creek No. 000000000363350 | 084173000 | 1990 | Slab | 235 ft | 1,783 | Good |
| New Highland Ac over UP RR No. 000000000365490 | 083180400 | 2008 | Stringer/Multi-beam or Girder | 289 ft | 1,738 | Fair |
| New Highland Ac over Lynn Creek No. 000000000365495 | 083180900 | 2008 | Stringer/Multi-beam or Girder | 213 ft | 1,738 | Good |
| N 13th ST over Stream No. 000000000505180 | 084182700 | 2012 | Culvert | 38 ft | 1,661 | Good |
| Highland Acres RD over Linn Creek No. 000000000242581 | 083180912 | 2007 | Slab | 103 ft | 1,630 | Good |
| Ia 96 over Devils Run Creek No. 000000000035471 | 1.8 Miles East of SR T29 | 2015 | Culvert | 27 ft | 1,560 | Good |
| Ia 330 over Chicken Creek No. 000000000035510 | 3.9 Miles W of JCT Ia 14 | 1957 | Culvert | 32 ft | 1,490 | Fair |
| Ia 330 over Asher Creek No. 000000000035520 | 2.0 Miles West of JCT 14 | 1957 | Tee Beam | 154 ft | 1,490 | Good |
| FM over Creek No. 000000000244070 | 085173402 | 1963 | Culvert | 21 ft | 1,483 | Fair |
| E South ST over Anson Creek No. 000000000007780 | 084183501 | 1973 | Culvert | 33 ft | 1,453 | Fair |
| FM over Iowa River No. 000000000242300 | 083170104 | 1953 | Stringer/Multi-beam or Girder | 536 ft | 1,365 | Poor |
| S 12th ST over Linn Creek No. 000000000007880 | 084183402 | 1967 | Slab | 127 ft | 1,280 | Fair |
| May ST over Anson Creek No. 000000000007800 | 084183600 | 1975 | Slab | 78 ft | 1,213 | Fair |
| W Olive ST over Creek No. 000000000505200 | 083180300 | 2013 | Culvert | 22 ft | 1,205 | Good |
| FM over Burnett Creek No. 000000000243451 | 084182305 | 1985 | Stringer/Multi-beam or Girder | 154 ft | 1,061 | Fair |
| Governor RD over Reloc US 30 No. 000000000601905 | 1.0 Mi. E of Jct. Ia 14 | 1995 | Stringer/Multi-beam or Girder | 268 ft | 978 | Good |
| FM over N Timber Creek No. 000000000242830 | 083192002 | 1963 | Stringer/Multi-beam or Girder | 54 ft | 903 | Poor |
| N 16th ST over Drainage No. 000000000007870 | 084182702 | 1951 | Culvert | 23 ft | 814 | Good |
| FM over Small Creek No. 000000000243641 | 084192101 | 1985 | Culvert | 38 ft | 746 | Fair |
| FM over Linn Creek No. 000000000242911 | 083200304 | 1988 | Slab | 100 ft | 737 | Poor |
| North Center ST over Iowa River Overflow No. 000000000243431 | 084182306 | 2021 | Slab | 197 ft | 737 | Good |
| North Center ST over Iowa River Overflow No. 000000000243441 | 084182306 | 2021 | Stringer/Multi-beam or Girder | 237 ft | 737 | Good |
| North Center ST over Iowa River Overflow No. 000000000243461 | 084182604 | 2020 | Slab | 151 ft | 737 | Good |
| North Center ST over Iowa River No. 000000000243466 | 084182600 | 2021 | Stringer/Multi-beam or Girder | 195 ft | 737 | Good |
| FM over Small Stream No. 000000000243921 | 084203404 | 1984 | Slab | 33 ft | 737 | Fair |
| E29 Summit RD over Creek No. 000000000243471 | 084182902 | 2005 | Slab | 78 ft | 717 | Good |
| FM over Lutes Creek No. 000000000241610 | 082170701 | 1957 | Stringer/Multi-beam or Girder | 109 ft | 697 | Poor |
| Walnut ST over Abandon RR No. 000000000035561 | 082200903 | 1977 | Stringer/Multi-beam or Girder | 187 ft | 689 | Poor |
| FM over North Skunk River No. 000000000242970 | 083202106 | 1965 | Culvert | 26 ft | 628 | Fair |
| FM over Small Stream No. 000000000243881 | 084202602 | 1985 | Culvert | 30 ft | 619 | Fair |
| E18 Marble RD over Stream No. 000000000035571 | 085180905 | 2015 | Culvert | 42 ft | 530 | Good |
| E18 Marble RD over Little Asher Creek No. 000000000035581 | 085181103 | 2015 | Culvert | 21 ft | 530 | Good |
| FM over Brush Creek No. 000000000241641 | 082170805 | 2002 | Slab | 125 ft | 511 | Good |
| FM over Small No. 000000000362160 | 084200202 | 1983 | Culvert | 25 ft | 509 | Poor |
| FM over Minerva Creek No. 000000000243771 | 084201102 | 2001 | Slab | 128 ft | 501 | Good |
| W State ST over Drainage No. 000000000007860 | 084182701 | 1900 | Culvert | 29 ft | 472 | Poor |
| FM over Brush Creek No. 000000000241791 | 082173401 | 2002 | Slab | 103 ft | 442 | Good |
| FM over Little Asher CR No. 000000000243420 | 084182202 | 1968 | Slab | 127 ft | 432 | Poor |
| So 3rd Ave over Anson Creek No. 000000000502820 | 083181102 | 1979 | Culvert | 36 ft | 418 | Poor |
| FM over N Skunk River No. 000000000242190 | 082201009 | 1956 | Stringer/Multi-beam or Girder | 105 ft | 413 | Fair |
| FM E-41 over Br Linn Creek No. 000000000363910 | 083190803 | 1996 | Culvert | 26 ft | 412 | Good |
| E29 190th ST over Minerva Creek No. 000000000243851 | 084202001 | 2001 | Culvert | 35 ft | 383 | Good |
| FM over Linn CR No. 000000000242560 | 083180902 | 1956 | Stringer/Multi-beam or Girder | 110 ft | 369 | Poor |
| FM over Minerva Creek No. 000000000243721 | 084200202 | 1995 | Slab | 153 ft | 363 | Fair |
| FM over Honey Creek No. 000000000244281 | 085191603 | 2004 | Stringer/Multi-beam or Girder | 179 ft | 354 | Good |
| Local over Drainage No. 000000000242571 | 083180903 | 2006 | Slab | 93 ft | 340 | Good |
| SR E 18 over Iowa River No. 000000000244271 | 085191103 | 2011 | Stringer/Multi-beam or Girder | 337 ft | 324 | Good |
| Local over Stream No. 000000000365480 | 085191003 | 2009 | Culvert | 23 ft | 324 | Good |
| FM over Burnett Creek No. 000000000243111 | 084170401 | 1994 | Slab | 113 ft | 304 | Good |
| FM over Branch Burnette Creek No. 000000000243151 | 084170603 | 1984 | Slab | 90 ft | 304 | Poor |
| FM over Clear Creek No. 000000000242181 | 082200805 | 2006 | Stringer/Multi-beam or Girder | 164 ft | 265 | Good |
| FM over Mud Creek No. 000000000244290 | 085191903 | 1967 | Culvert | 70 ft | 265 | Poor |
| FM over Big Minerva Creek No. 000000000244500 | 085201505 | 1967 | Stringer/Multi-beam or Girder | 153 ft | 265 | Poor |
| FM over Minerva Creek No. 000000000243541 | 084190506 | 1982 | Stringer/Multi-beam or Girder | 246 ft | 255 | Fair |
| FM over Minerva Creek No. 000000000243551 | 084190504 | 1981 | Slab | 35 ft | 255 | Fair |
| FM over Mud Creek No. 000000000244311 | 085192006 | 1981 | Slab | 103 ft | 255 | Fair |
| Local RD over Timber Creek No. 000000000242671 | 083182410 | 1977 | Slab | 105 ft | 227 | Poor |
| FM over Linn Creek No. 000000000242730 | 083190212 | 1963 | Slab | 72 ft | 216 | Poor |
| FM over Timber Creek No. 000000000242441 | 083171704 | 1991 | Slab | 190 ft | 187 | Fair |
| FM over Big Minerva Creek No. 000000000244541 | 085202606 | 1999 | Slab | 153 ft | 187 | Fair |
| FM over Small Stream No. 000000000242801 | 083190504 | 1984 | Slab | 78 ft | 177 | Fair |
| 260th ST over North Timber Creek No. 000000000242651 | 083182402 | 2021 | Slab | 111 ft | 176 | Good |
| Bryant ST over Drainage No. 000000000010191 | 085203302 | 2004 | Stringer/Multi-beam or Girder | 155 ft | 160 | Good |
| FM over N Timber CR No. 000000000242351 | 083170808 | 1989 | Slab | 205 ft | 157 | Fair |
| FM over Small Stream No. 000000000242361 | 083170808 | 1984 | Slab | 34 ft | 157 | Fair |
| Local over Linn CR No. 000000000243940 | 084203602 | 1916 | Girder and Floorbeam System | 42 ft | 157 | Poor |
| Local over Creek No. 000000000243350 | 084180609 | 1955 | Stringer/Multi-beam or Girder | 24 ft | 148 | Poor |
| FM over Linn Creek No. 000000000243701 | 084193202 | 1987 | Slab | 115 ft | 147 | Fair |
| FM over Middle Minerva Creek No. 000000000243741 | 084200403 | 2005 | Slab | 153 ft | 147 | Fair |
| FM over Minerva Creek No. 000000000243820 | 084201602 | 1916 | Stringer/Multi-beam or Girder | 31 ft | 147 | Poor |
| FM over Linn Creek No. 000000000243911 | 084203302 | 2007 | Slab | 78 ft | 147 | Good |
| FM over Minerva Creek No. 000000000244431 | 085200904 | 1997 | Slab | 220 ft | 147 | Good |
| FM over Minerva Creek No. 000000000244441 | 085200906 | 1997 | Slab | 112 ft | 147 | Good |
| Local over Creek No. 000000000242401 | 083171108 | 1916 | Stringer/Multi-beam or Girder | 32 ft | 145 | Poor |
| Parker Ave over US 30 No. 000000000601900 | 1.5 Miles W of Jct. Ia 14 | 1996 | Stringer/Multi-beam or Girder | 268 ft | 131 | Good |
| Marsh Ave over US 30 No. 000000000601500 | 1.1 Mi. E of Jct. Ia 330 | 1995 | Stringer/Multi-beam or Girder | 268 ft | 128 | Good |
| Local over Creek No. 000000000243300 | 084172812 | 1916 | Slab | 25 ft | 123 | Poor |
| FM over Little Asher CR No. 000000000243390 | 084181602 | 1916 | Stringer/Multi-beam or Girder | 42 ft | 118 | Poor |
| Durham Ave over North Skunk River No. 000000000035541 | 082201006 | 1973 | Tee Beam | 77 ft | 113 | Fair |
| Local over North Timber Creek No. 000000000242631 | 083182203 | 1979 | Slab | 102 ft | 113 | Fair |
| Local over Br Timber Creek No. 000000000363565 | 083182305 | 1992 | Culvert | 25 ft | 113 | Good |
| FM over N Timber Creek No. 000000000242590 | 083181904 | 1973 | Tee Beam | 91 ft | 108 | Fair |
| FM over Middle Timber Creek No. 000000000242701 | 083183302 | 1979 | Slab | 79 ft | 108 | Fair |
| FM over Creek No. 000000000243250 | 084172502 | 1917 | Slab | 28 ft | 108 | Poor |
| FM over Creek No. 000000000243371 | 084180801 | 2004 | Slab | 103 ft | 108 | Good |
| Local over Creek No. 000000000242380 | 083171003 | 1953 | Stringer/Multi-beam or Girder | 43 ft | 104 | Poor |
| Parker Ave over North Timber Creek No. 000000000242621 | 083182202 | 2014 | Slab | 123 ft | 104 | Good |
| FM over Raven Creek No. 000000000241651 | 082171201 | 1978 | Slab | 103 ft | 98 | Fair |
| Local over Timber Creek No. 000000000242660 | 083182405 | 1942 | Stringer/Multi-beam or Girder | 121 ft | 91 | Fair |
| FM over South Timber Creek No. 000000000242520 | 083173204 | 1942 | Stringer/Multi-beam or Girder | 105 ft | 88 | Poor |
| Local over Lutes Creek No. 000000000241620 | 082170702 | 1938 | Stringer/Multi-beam or Girder | 64 ft | 82 | Poor |
| Local over Lutes Creek No. 000000000241630 | 082170702 | 1937 | Stringer/Multi-beam or Girder | 64 ft | 82 | Poor |
| Local over Branch N Skunk River No. 000000000242160 | 082200303 | 1910 | Stringer/Multi-beam or Girder | 32 ft | 82 | Poor |
| Local over Burnett Creek No. 000000000243171 | 084170702 | 1979 | Slab | 130 ft | 82 | Fair |
| Local over Br of Burnett CR No. 000000000243401 | 084181201 | 2008 | Culvert | 41 ft | 82 | Good |
| FM over Stream No. 000000000242240 | 082202702 | 1935 | Stringer/Multi-beam or Girder | 43 ft | 79 | Poor |
| FM over Timber Creek No. 000000000242610 | 083182102 | 1947 | Stringer/Multi-beam or Girder | 70 ft | 79 | Poor |
| FM over N Skunk River No. 000000000243010 | 083202805 | 1917 | Stringer/Multi-beam or Girder | 42 ft | 79 | Poor |
| Local over Creek No. 000000000243340 | 084173502 | 1944 | Stringer/Multi-beam or Girder | 22 ft | 73 | Poor |
| 320th ST over Clear Creek No. 000000000242251 | 082202903 | 2017 | Slab | 111 ft | 69 | Good |
| FM over Burnett Creek No. 000000000243100 | 084170301 | 1921 | Stringer/Multi-beam or Girder | 25 ft | 69 | Poor |
| FM over Overflow No. 000000000243491 | 084190205 | 1984 | Slab | 130 ft | 69 | Fair |
| FM over Iowa River No. 000000000243501 | 084190205 | 1985 | Stringer/Multi-beam or Girder | 387 ft | 69 | Fair |
| FM over Devils Run Creek No. 000000000244000 | 085171202 | 1940 | Stringer/Multi-beam or Girder | 27 ft | 69 | Poor |
| Local over Lutes Creek No. 000000000241781 | 082173001 | 1984 | Slab | 78 ft | 62 | Fair |
| Jessup Ave over Linn CR No. 000000000242741 | 083190302 | 2000 | Slab | 125 ft | 62 | Good |
| Local over Nickolson Creek No. 000000000243231 | 084172105 | 1984 | Slab | 78 ft | 62 | Fair |
| Local over Rock CR No. 000000000243270 | 084172701 | 1942 | Stringer/Multi-beam or Girder | 34 ft | 62 | Poor |
| Jessup Ave over Minerva Creek No. 000000000243511 | 084190304 | 2023 | Slab | 233 ft | 62 | Good |
| Local over Creek No. 000000000244160 | 085183106 | 1939 | Stringer/Multi-beam or Girder | 22 ft | 62 | Poor |
| 140th ST over Minerva Creek No. 000000000244550 | 085202703 | 1912 | Arch - Deck | 68 ft | 62 | Poor |
| FM over Timber Creek No. 000000000242340 | 083170804 | 1945 | Stringer/Multi-beam or Girder | 43 ft | 59 | Poor |
| Local over Creek No. 000000000242371 | 083170405 | 2003 | Slab | 194 ft | 59 | Good |
| FM over South Timber Creek No. 000000000242490 | 083172801 | 1954 | Truss - Thru | 123 ft | 59 | Poor |
| FM over Creek No. 000000000243521 | 084190305 | 2004 | Slab | 103 ft | 59 | Good |
| FM over Minerva Creek No. 000000000243730 | 084200203 | 1957 | Stringer/Multi-beam or Girder | 88 ft | 59 | Poor |
| 105th ST over Honey Creek No. 000000000244241 | 085190609 | 2016 | Slab | 120 ft | 59 | Good |
| Local over Brush Creek No. 000000000241721 | 082172101 | 2006 | Slab | 88 ft | 51 | Good |
| Local over Snipe Creek No. 000000000241860 | 082181302 | 1915 | Stringer/Multi-beam or Girder | 36 ft | 51 | Poor |
| Local over Middle Timber Creek No. 000000000242680 | 083182604 | 1916 | Stringer/Multi-beam or Girder | 35 ft | 51 | Poor |
| Local over Small No. 000000000243221 | 084172102 | 1979 | Stringer/Multi-beam or Girder | 41 ft | 51 | Poor |
| Local over Linn Creek No. 000000000243931 | 084203601 | 1999 | Slab | 112 ft | 51 | Good |
| Local over Lake No. 000000000242170 | 082200602 | 1968 | Stringer/Multi-beam or Girder | 80 ft | 50 | Fair |
| Local over Creek No. 000000000242390 | 083171103 | 1956 | Stringer/Multi-beam or Girder | 45 ft | 49 | Poor |
| FM over North Timber Creek No. 000000000242861 | 083192204 | 1984 | Slab | 103 ft | 49 | Fair |
| Local over N Skunk River No. 000000000242940 | 083202002 | 1917 | Slab | 26 ft | 49 | Poor |
| FM over Iowa River No. 000000000244330 | 085192707 | 1952 | Stringer/Multi-beam or Girder | 325 ft | 49 | Poor |
| Local over Brush Creek No. 000000000241740 | 082172202 | 1917 | Truss - Thru | 54 ft | 47 | Poor |
| Local over Brush Creek No. 000000000241761 | 082172705 | 1977 | Tee Beam | 36 ft | 47 | Poor |
| 150th ST over Burnett CR No. 000000000244050 | 085173301 | 1979 | Culvert | 20 ft | 47 | Poor |
| Local over Burnett CR No. 000000000244060 | 085173301 | 1940 | Stringer/Multi-beam or Girder | 27 ft | 47 | Fair |
| Local over Little Asher Creek No. 000000000244121 | 085182201 | 1980 | Slab | 178 ft | 47 | Fair |
| Local over Creek No. 000000000244140 | 085182704 | 1918 | Stringer/Multi-beam or Girder | 32 ft | 47 | Poor |
| Local over Clear Creek No. 000000000243031 | 083203002 | 1993 | Slab | 87 ft | 45 | Good |
| Local over South Timber Creek No. 000000000241590 | 082170602 | 1938 | Stringer/Multi-beam or Girder | 102 ft | 44 | Poor |
| E67 330th ST over Little Snipe Creek No. 000000000241941 | 082183101 | 2023 | Culvert | 26 ft | 44 | Good |
| Local over Linn CR No. 000000000243660 | 084193002 | 1945 | Stringer/Multi-beam or Girder | 88 ft | 44 | Poor |
| Local over Branch S Timber Creek No. 000000000241871 | 082181501 | 2005 | Culvert | 25 ft | 41 | Good |
| Local over Middle Timber Creek No. 000000000242690 | 083183202 | 1940 | Stringer/Multi-beam or Girder | 27 ft | 41 | Poor |
| Local over Branch North Timber Crk No. 000000000242990 | 083202401 | 1924 | Slab | 21 ft | 41 | Poor |
| Local over Linn CR No. 000000000243671 | 084193101 | 1989 | Slab | 103 ft | 41 | Fair |
| Local over Mud Creek No. 000000000244320 | 085192104 | 1946 | Stringer/Multi-beam or Girder | 111 ft | 41 | Poor |
| Local over Br Minerva Creek No. 000000000244520 | 085201802 | 1941 | Stringer/Multi-beam or Girder | 39 ft | 40 | Poor |
| FM over South Timber Creek No. 000000000241835 | 082180902 | 1957 | Stringer/Multi-beam or Girder | 45 ft | 39 | Poor |
| FM over Snipe Creek No. 000000000242091 | 082193301 | 1980 | Slab | 105 ft | 39 | Fair |
Structure types in Marshall County
| Stringer/Multi-beam or Girder | 151 | 49.8% |
| Slab | 91 | 30.0% |
| Culvert | 46 | 15.2% |
| Truss - Thru | 8 | 2.6% |
| Tee Beam | 4 | 1.3% |
| Girder and Floorbeam System | 2 | 0.7% |
| Arch - Deck | 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
- 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
- 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
- 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