Linn County, Iowa bridges
Linn County has 511 bridges and culverts in the National Bridge Inventory, the oldest built in 1879. 34 (7%) are rated poor. The most common type is slab (41%).
- Bridges
- 511
- Good
- 36%
- Fair
- 58%
- Poor
- 7%
- 34 bridges
- Average age
- 37.2 yrs
- Posted or closed
- 24
Map of bridges in Linn County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Linn County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good36%(182)
Fair58%(295)
Poor7%(34)
When they were built
Busiest
- I-380 over E and F Ave NW Cedar RvrFair57,600 vehicles/day
- SB I-380 over Cc RR & Ash PitFair41,000 vehicles/day
- NB I-380 over Cc RRFair38,800 vehicles/day
- SB I-380 over Cc RRFair38,800 vehicles/day
- NB I-380 over H Ave NEFair38,800 vehicles/day
Longest
- I 380 SB over Ia 922Fair2,296 ft
- I 380 NB over Ia 922Fair2,172 ft
- Good
- SB I-380 over Cc RR & Ash PitFair1,763 ft
- NB I-380 over Cc RR & Ash PitFair1,763 ft
Oldest
- Sutton RD over Wapsipinicon RiverPoorBuilt 1879
- Rosedale RD over Indian CRPoorBuilt 1890
- E Ave NW over StreamGoodBuilt 1900
- Burlingham RD over Buffalo CRPoorBuilt 1900
- Red Bridge RD over Buffalo CRPoorBuilt 1900
All bridges in Linn County
Busiest first · showing 1–200 of 511| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| I-380 over E and F Ave NW Cedar Rvr No. 000000000603700 | 0.3 MI N. US 151(1st Ave) | 1979 | Stringer/Multi-beam or Girder | 685 ft | 57,600 | Fair |
| SB I-380 over Cc RR & Ash Pit No. 000000000604220 | 2.9 Mi. S of Jct. 100 | 1979 | Stringer/Multi-beam or Girder | 1,763 ft | 41,000 | Fair |
| NB I-380 over Cc RR No. 000000000604230 | 2.6 Mi. S of Jct. 100 | 1980 | Stringer/Multi-beam or Girder | 589 ft | 38,800 | Fair |
| SB I-380 over Cc RR No. 000000000604240 | 2.6 Mi. S of JCT.100 | 1980 | Stringer/Multi-beam or Girder | 446 ft | 38,800 | Fair |
| NB I-380 over H Ave NE No. 000000000604250 | 2.3 Mi. S of Jct. 100 | 1980 | Stringer/Multi-beam or Girder | 171 ft | 38,800 | Fair |
| SB I-380 over H Ave NE No. 000000000604260 | 2.3 Mi.S.Of JCT.100 | 1980 | Stringer/Multi-beam or Girder | 171 ft | 38,800 | Good |
| NB I 380 over J Ave NE No. 000000000604270 | 2.0 Mi. S of Jct. Ia #100 | 1980 | Stringer/Multi-beam or Girder | 232 ft | 38,800 | Fair |
| SB I-380 over J Ave NE No. 000000000604280 | 2.0 Mi. S of Jct. Ia #100 | 1980 | Stringer/Multi-beam or Girder | 232 ft | 38,800 | Fair |
| NB I-380 over Coldstream Ave NE No. 000000000604290 | 1.5 Mi. S of Jct. Ia 100 | 1980 | Stringer/Multi-beam or Girder | 176 ft | 35,400 | Fair |
| SB I-380 over Coldstream Ave NE No. 000000000604300 | 1.5 Mi. S of Jct. Ia 100 | 1980 | Stringer/Multi-beam or Girder | 176 ft | 35,400 | Fair |
| I 380 NB over 15th & 16th Av SW No. 000000000607060 | 2.5 Mi. N of Jct. US 30 | 1975 | Stringer/Multi-beam or Girder | 487 ft | 34,450 | Fair |
| I 380 SB over 15th & 16th Ave SW No. 000000000607070 | 2.5 Mi. N of Jct. US 30 | 1975 | Stringer/Multi-beam or Girder | 487 ft | 34,450 | Fair |
| SB I-380 over City Streets UP &ccp RR No. 000000000603692 | 0.6 Mi. N of Jct. Ia 922 | 1979 | Stringer/Multi-beam or Girder | 1,470 ft | 34,350 | Fair |
| NB I-380 over 42nd ST No. 000000000604700 | 0.5 Mi. S. of Jct. 100 | 1981 | Stringer/Multi-beam or Girder | 191 ft | 32,850 | Fair |
| NB I-380 over Cc RR & Ash Pit No. 000000000604210 | 2.9 Mi. S of Jct. Ia 100 | 1979 | Stringer/Multi-beam or Girder | 1,763 ft | 32,300 | Fair |
| NB I-380 over City Sts Ccp& UP RR No. 000000000603690 | 0.6 Mi. N of Jct. Ia 922 | 1979 | Stringer/Multi-beam or Girder | 1,479 ft | 31,850 | Fair |
| NB I-380 over Cic RR & City ST No. 000000000600565 | 0.7 Mi. N of Jct. US 30 | 1975 | Stringer/Multi-beam or Girder | 567 ft | 31,400 | Fair |
| SB I-380 over Cic RR & City ST No. 000000000600570 | 0.7 Mi. N of Jct. 30 | 1975 | Stringer/Multi-beam or Girder | 567 ft | 31,400 | Fair |
| NB I-380 over Over UP RR No. 000000000603010 | 1.0 Mi. N of Jct. US 30 | 1974 | Stringer/Multi-beam or Girder | 297 ft | 31,400 | Fair |
| SB I-380 over Over UP RR No. 000000000603012 | 1.0 Mi. N of Jct. US 30 | 1974 | Stringer/Multi-beam or Girder | 297 ft | 31,400 | Good |
| NB I-380 over Cic RR & 8th Ave No. 000000000607080 | 0.8 Mi. S of Jct. Ia #922 | 1973 | Stringer/Multi-beam or Girder | 638 ft | 30,200 | Fair |
| I 380 SB over Ia 922 No. 000000000603688 | At Jct. Bus. U.S. 151 | 1979 | Stringer/Multi-beam or Girder | 2,296 ft | 28,800 | Fair |
| NB I 380 over 33rd Ave No. 000000000603020 | 1.3 Mi. N of Jct. U.S. 30 | 1974 | Stringer/Multi-beam or Girder | 171 ft | 28,600 | Fair |
| SB I-380 over 33rd Ave No. 000000000603022 | 1.3 Mi. N of Jct. U.S. 30 | 1974 | Stringer/Multi-beam or Girder | 171 ft | 28,600 | Fair |
| US 30 151 & 218 over Creek No. 000000000604200 | 0.1 Mi. W of E Jct. 218 | 1975 | Culvert | 27 ft | 28,500 | Fair |
| SB I-380 over 42nd ST No. 000000000604705 | 0.5 Mi. S of Jct. 100 | 1981 | Stringer/Multi-beam or Girder | 191 ft | 28,050 | Fair |
| I 380 NB over Ia 922 No. 000000000603685 | At Jct. Bus. U.S. 151 | 1979 | Stringer/Multi-beam or Girder | 2,172 ft | 26,000 | Fair |
| I 380 SB over Cic RR & 8th Ave No. 000000000607090 | 0.8 Mi. S of Jct. Ia #922 | 1975 | Stringer/Multi-beam or Girder | 638 ft | 26,000 | Fair |
| NB I-380 over 5th Ave SW No. 000000000607100 | 0.3 Mi. S of Jct. Ia 922 | 1975 | Stringer/Multi-beam or Girder | 267 ft | 26,000 | Fair |
| SB I-380 over 5th Ave SW No. 000000000607110 | 0.3 Mi. S of Ia 922 | 1975 | Stringer/Multi-beam or Girder | 269 ft | 26,000 | Fair |
| C Ave NE over Dry Run Creek No. 000000000001541 | C77521027 | 1975 | Slab | 174 ft | 23,000 | Fair |
| US 30 & 151 over Drainage Ditch No. 000000000607120 | 0.3 Mi. E of Jct. I-380 | 1975 | Culvert | 33 ft | 22,500 | Fair |
| US 151 over Creek No. 000000000607515 | 2.5 Mi. S of Jct. Ia 100 | 1960 | Culvert | 24 ft | 22,400 | Fair |
| I 380 NB over US 30 No. 000000000607000 | At the Jct. U.S. 30 | 1975 | Stringer/Multi-beam or Girder | 267 ft | 21,900 | Fair |
| I 380 SB over US 30 No. 000000000607010 | At Jct. of U.S. 30 | 1975 | Stringer/Multi-beam or Girder | 267 ft | 21,400 | Fair |
| 7th Ave over Indian Creek No. 000000000033521 | 083070100 | 1994 | Stringer/Multi-beam or Girder | 206 ft | 20,679 | Fair |
| Edgewood RD over Ia 100 No. 000000000700455 | Edgewood Road over Ia 100 | 2016 | Stringer/Multi-beam or Girder | 129 ft | 18,581 | Good |
| Council ST NE over Dry Creek No. 000000000001511 | 000000000 | 2003 | Slab | 120 ft | 17,285 | Good |
| Boyson Road over I-380 No. 000000000604740 | 1.4 Mi. N of JCT.100 | 1982 | Stringer/Multi-beam or Girder | 248 ft | 16,284 | Good |
| US 30 EB over UP RR 21st ST SW Creek No. 000000000604140 | 1.9 Mi. W of Jct. 218 | 1980 | Stringer/Multi-beam or Girder | 996 ft | 15,750 | Fair |
| US 30 WB over UP RR 21st ST SW Creek No. 000000000604150 | 1.6 Mi.W.Of E.JCT.218 | 1980 | Stringer/Multi-beam or Girder | 996 ft | 15,750 | Fair |
| EB US 30 over Over Cic RR Spur No. 000000000604160 | 0.8 Mi. W of E JCT US 218 | 1980 | Stringer/Multi-beam or Girder | 293 ft | 15,750 | Fair |
| WB US 30 over Over Cic RR Spur No. 000000000604170 | 0.8 Mi. W of E JCT US 218 | 1980 | Stringer/Multi-beam or Girder | 293 ft | 15,750 | Fair |
| EB US 30 over Over Cic RR No. 000000000604180 | 0.8 Mi. W of Jct. I-380 | 1979 | Stringer/Multi-beam or Girder | 399 ft | 15,750 | Fair |
| WB US 30 over Cic RR No. 000000000604190 | 0.8 Mi. W of Jct. I-380 | 1979 | Stringer/Multi-beam or Girder | 305 ft | 15,000 | Fair |
| Boyson RD over Dry Creek No. 000000000501130 | 000000000 | 2000 | Slab | 112 ft | 14,100 | Fair |
| Ia 100 over Wanatee Creek No. 000000000601670 | 0.4 Mi. W of Jct. Ia 13 | 1995 | Culvert | 46 ft | 14,000 | Fair |
| Ia 100 over Center Point RD No. 000000000604320 | 0.2 Mi. E of Jct. 380 | 1981 | Stringer/Multi-beam or Girder | 167 ft | 14,000 | Fair |
| Ia 100 over I-380 & Ccp RR No. 000000000604715 | At the Jct. I-380 | 1982 | Stringer/Multi-beam or Girder | 714 ft | 14,000 | Fair |
| Boyson RD over Tributary of Dry Creek No. 000000000505205 | 084073500 | 1976 | Culvert | 44 ft | 13,287 | Fair |
| Ia 922-1st Ave over Cedar River No. 000000000033490 | 0.2 Mi. N of I-380 | 1920 | Arch - Deck | 697 ft | 13,000 | Fair |
| I 380 NB over East Otter Creek No. 000000000605055 | 1.3 Mi. N of Jct. SR E34 | 1983 | Stringer/Multi-beam or Girder | 117 ft | 12,850 | Good |
| I 380 SB over East Otter Creek No. 000000000605060 | 1.3 Mi. N S.R. E34 | 1983 | Stringer/Multi-beam or Girder | 117 ft | 12,850 | Fair |
| NB I-380 over West Otter Creek No. 000000000605070 | 2.7 Mi. N of Jct. SR E34 | 1983 | Stringer/Multi-beam or Girder | 113 ft | 12,850 | Fair |
| SB I-380 over West Otter Creek No. 000000000605075 | 2.7 Mi. N of Jct. SR E34 | 1983 | Stringer/Multi-beam or Girder | 113 ft | 12,850 | Good |
| US 30 over Stream No. 000000000607510 | 2.5 Mi. W of Jct. Ia #1 | 1951 | Culvert | 24 ft | 12,000 | Fair |
| EB US 30 over Pleasant Run No. 000000000033461 | 1.8 Mi. W of JCT US 151 | 2002 | Stringer/Multi-beam or Girder | 166 ft | 11,750 | Good |
| WB US 30 over Pleasant Run No. 000000000033462 | 1.8 Mi. W of JCT US 151 | 1975 | Stringer/Multi-beam or Girder | 159 ft | 11,750 | Fair |
| US 30 EB over Cedar River No. 000000000033471 | 0.5 Mi. W of E JCT US 151 | 2022 | Stringer/Multi-beam or Girder | 1,140 ft | 11,750 | Good |
| WB US 30 over Cedar River No. 000000000033472 | 0.5 Mi. W of E JCT US 151 | 1975 | Stringer/Multi-beam or Girder | 1,141 ft | 11,750 | Fair |
| Ia 100 over Cedar River & Ianr RR No. 000000000700375 | 1.7 Mi. NE of E36 | 2016 | Stringer/Multi-beam or Girder | 1,885 ft | 11,500 | Good |
| Wilson Ave over I-380 No. 000000000607040 | 2.1 Mi. N of Jct. 30 | 1972 | Stringer/Multi-beam or Girder | 258 ft | 11,089 | Good |
| EB Ia 100 over Indian Creek No. 000000000606320 | 3.2 Mi. W Jct. Ia 13 &151 | 1995 | Stringer/Multi-beam or Girder | 506 ft | 11,050 | Good |
| Ia 100 WB over Indian Creek No. 000000000608115 | 3.2 MI W Ofjct US151/IA13 | 1995 | Stringer/Multi-beam or Girder | 506 ft | 11,050 | Good |
| 6th St.Sw. over US 30 No. 000000000600597 | 0.3 MI W. of Jct. I-380 | 1975 | Stringer/Multi-beam or Girder | 281 ft | 10,989 | Fair |
| 8th Ave over Indian Creek No. 000000000007691 | 083070100 | 1988 | Slab | 227 ft | 10,789 | Poor |
| NB I-380 over East Blue Creek No. 000000000605100 | 2.3 Mi. N of Jct. SR W35 | 1982 | Stringer/Multi-beam or Girder | 155 ft | 10,750 | Good |
| I 380 SB over East Blue Creek No. 000000000605105 | 2.3 Mi. N of Jct. SR W35 | 1982 | Stringer/Multi-beam or Girder | 155 ft | 10,750 | Fair |
| I 380 NB over West Blue Creek No. 000000000605110 | 2.7 Mi. N of S.R. W36 | 1982 | Stringer/Multi-beam or Girder | 189 ft | 10,750 | Good |
| SB I-380 over West Blue Creek No. 000000000605115 | 2.7 Mi. N of JCT SR W35 | 1982 | Stringer/Multi-beam or Girder | 189 ft | 10,750 | Good |
| Edgewood RD over Prairie Creek & UP RR No. 000000000220271 | 082070704 | 2009 | Stringer/Multi-beam or Girder | 902 ft | 10,700 | Good |
| Edgewood RD over Crandic RR No. 000000000365460 | 082070704 | 2009 | Stringer/Multi-beam or Girder | 354 ft | 10,700 | Good |
| 33rd Ave SW over UP and Crandic RR No. 000000000504800 | 000000000 | 2006 | Stringer/Multi-beam or Girder | 241 ft | 10,700 | Good |
| 33rd Ave over Crandic RR No. 000000000504805 | 000000000 | 2006 | Stringer/Multi-beam or Girder | 302 ft | 10,700 | Fair |
| 33rd Ave SW over Unnamed Tributary No. 000000000505290 | 000000000 | 2006 | Culvert | 24 ft | 10,700 | Good |
| WB Coll Ia 100 over I-380 No. 000000000604720 | 0.1 Mi. N of Jct. 100 | 1982 | Stringer/Multi-beam or Girder | 268 ft | 10,700 | Fair |
| WB Coll Ia 100 over Over Cc RR & Bike Trail No. 000000000604805 | 0.1 Mi. N of Jct. Ia #100 | 1982 | Stringer/Multi-beam or Girder | 174 ft | 10,300 | Fair |
| Edgewood RD NE over Cedar River & RR No. 000000000001420 | 000000000 | 1969 | Box Beam or Girders - Multiple | 664 ft | 10,268 | Poor |
| Bowling ST over Prairie Creek No. 000000000001480 | 000000000 | 1979 | Slab | 193 ft | 10,184 | Fair |
| Bowling ST over Over UP RR No. 000000000001490 | 000000000 | 1980 | Slab | 165 ft | 10,184 | Fair |
| Edgewood RD over US 30 No. 000000000604130 | 2.6 Mi. W of Jct. I-380 | 1980 | Stringer/Multi-beam or Girder | 295 ft | 10,090 | Fair |
| Wright Bros Blv over I-380 No. 000000000600530 | 2.5 MI S. of Jct. US 30 | 1971 | Stringer/Multi-beam or Girder | 257 ft | 9,990 | Fair |
| US 151 over Drainage Ditch #2 No. 000000000033801 | 0.6 Mi. South of US 30 | 2020 | Culvert | 64 ft | 9,900 | Good |
| US 151 & Ia 13 over Over UP RR No. 000000000033635 | 1.2 Mi. N of E Jct. US 30 | 1998 | Stringer/Multi-beam or Girder | 183 ft | 9,850 | Good |
| US 151 & Ia 13 over Big Creek No. 000000000607485 | 1.1 Mi. N of Jct. US 30 | 1998 | Stringer/Multi-beam or Girder | 225 ft | 9,850 | Good |
| Center Point RD over Over Cc RR No. 000000000033810 | 000000000 | 1968 | Slab | 213 ft | 9,703 | Poor |
| NB US 151& Ia 13 over Big Creek No. 000000000033620 | 1.2 Mi. N of Jct. U.S. 30 | 1965 | Stringer/Multi-beam or Girder | 225 ft | 9,650 | Fair |
| US 151 & Ia 13 over UP RR No. 000000000033630 | 1.2 Mi. N of E Jct. US 30 | 1964 | Stringer/Multi-beam or Girder | 158 ft | 9,650 | Fair |
| 6th ST over Over UP RR No. 000000000033430 | 000000000 | 1948 | Stringer/Multi-beam or Girder | 152 ft | 9,391 | Fair |
| 8th Ave over Cedar River No. 000000000001270 | 083072803 | 1938 | Stringer/Multi-beam or Girder | 658 ft | 9,382 | Poor |
| EB US 30 over Cedar River Trail No. 000000000033451 | 1.9 Mi. E of Jct. I-380 | 1976 | Stringer/Multi-beam or Girder | 188 ft | 9,300 | Good |
| WB US 30 over Cedar River Trail No. 000000000033455 | 1.9 Mi. E of Jct. I-380 | 1974 | Stringer/Multi-beam or Girder | 183 ft | 9,300 | Fair |
| Blairsferry RD over Trib to Cedar River No. 000000000220910 | 000000000 | 1968 | Culvert | 25 ft | 9,300 | Fair |
| Blairsferry RD over I 380 No. 000000000604730 | 0.6 Mi. N of Jct. Ia 100 | 1980 | Stringer/Multi-beam or Girder | 257 ft | 8,891 | Fair |
| C Street over US 30 No. 000000000600640 | 1.6 Mi. E of Jct. I-380 | 1976 | Stringer/Multi-beam or Girder | 326 ft | 8,591 | Fair |
| 6th ST SW over Prairie Creek No. 000000000033441 | 000000000 | 2010 | Slab | 195 ft | 8,588 | Good |
| I 380 NB Off Ramp over 8th Ave SW No. 000000000605990 | 0.5 Mi. S Jct. Ia 922 | 1975 | Stringer/Multi-beam or Girder | 246 ft | 8,500 | Fair |
| 6th ST SW over Hoosier Creek No. 000000000505740 | 082072102 | 2023 | Culvert | 24 ft | 8,292 | Good |
| 44th Street over Wanatee Creek No. 000000000504545 | 083060500 | 1980 | Culvert | 36 ft | 8,192 | Fair |
| 10th ST over Indian Creek No. 000000000007721 | 084063100 | 1999 | Slab | 150 ft | 8,092 | Fair |
| US 151 over UP RR No. 000000000033771 | In Fairfax | 2020 | Stringer/Multi-beam or Girder | 207 ft | 7,800 | Good |
| US 151 over Prairie Creek No. 000000000033781 | 3 Mi. S of US 30 Jct. | 2021 | Stringer/Multi-beam or Girder | 212 ft | 7,800 | Good |
| US 151 over Drainage Ditch No. 000000000033791 | 2.5 Mi. S of Jct. U.S. 30 | 2020 | Slab | 141 ft | 7,800 | Good |
| EB US 30 over Morgan Creek No. 000000000033411 | 3.6 MI W of JCT US 151 | 1992 | Slab | 113 ft | 7,700 | Fair |
| SE Ramp I-380 over Over Cc RR & Trail No. 000000000604725 | 0.2 Mi. S of Jct. Ia 100 | 1982 | Stringer/Multi-beam or Girder | 151 ft | 7,700 | Fair |
| WB US 30 over Morgan Creek No. 000000000606305 | 3.6 MI W of JCT US 151 | 1992 | Slab | 113 ft | 7,700 | Good |
| E-34 -Toddville over I 380 No. 000000000605045 | At Jct. SR E34 | 1983 | Stringer/Multi-beam or Girder | 288 ft | 7,692 | Good |
| I 380 Ramp over Ramp F over I-380 No. 000000000600560 | 0.2 Mi. N of Jct. 30 | 1975 | Stringer/Multi-beam or Girder | 372 ft | 7,600 | Good |
| I-380 Ramp F EB over US 30 & 151 No. 000000000600606 | 0.3 Mi. E of Jct. 380 | 1975 | Stringer/Multi-beam or Girder | 517 ft | 7,600 | Fair |
| EB Ramp F over J Street SW No. 000000000600610 | 0.2 Mi. E of US 30/I-380 | 1975 | Stringer/Multi-beam or Girder | 223 ft | 7,600 | Fair |
| 30 W to 380 N Ramp over J ST SW No. 000000000600613 | 0.4 Mi. E of Jct. 30/380 | 1975 | Stringer/Multi-beam or Girder | 223 ft | 7,500 | Fair |
| Ramp Br D-4 over City ST Row No. 000000000603940 | 0.3 Mi. N of JCT 922 | 1979 | Stringer/Multi-beam or Girder | 55 ft | 7,500 | Good |
| I 380 SB Off Ramp over City ST R.O.W No. 000000000603930 | 0.2 Mi. N of Jct. 151 | 1979 | Stringer/Multi-beam or Girder | 313 ft | 7,400 | Fair |
| Covington RD over Morgan Creek No. 000000000033760 | 083081524 | 1955 | Stringer/Multi-beam or Girder | 122 ft | 7,300 | Fair |
| 7th ST NE over I-380 No. 000000000603850 | 0.9 Mi. N of Jct. Ia #922 | 1972 | Stringer/Multi-beam or Girder | 268 ft | 7,300 | Good |
| E Post RD over Indian Creek No. 000000000001581 | 000000000 | 2010 | Stringer/Multi-beam or Girder | 204 ft | 7,200 | Good |
| Mt Vernon RD over Indian Creek No. 000000000220830 | 083062901 | 1969 | Stringer/Multi-beam or Girder | 179 ft | 7,169 | Fair |
| Mt Vernon RD over Wanatee Creek No. 000000000220840 | 083062909 | 1969 | Slab | 94 ft | 7,169 | Fair |
| SB US 151 over East Big Creek No. 000000000033550 | 1.1 Mi. S of SR X20 | 1961 | Stringer/Multi-beam or Girder | 152 ft | 7,150 | Fair |
| Central Avenue over Indian Creek No. 000000000007701 | 084073600 | 2001 | Stringer/Multi-beam or Girder | 180 ft | 7,094 | Good |
| 29th Ave over Indian Creek No. 000000000504955 | 084063100 | 2008 | Stringer/Multi-beam or Girder | 323 ft | 7,094 | Good |
| US 151 NB over Crab Apple Creek No. 000000000033541 | 2.9 Mi. N of N Jct. Ia 13 | 2021 | Slab | 101 ft | 7,000 | Good |
| SB US 151 over Crab Apple Creek No. 000000000606295 | 2.9 Mi. N of N Jct. Ia 13 | 1992 | Slab | 103 ft | 7,000 | Fair |
| NB US 151 over Big Creek No. 000000000606300 | 4.7 Mi. N of Jct. Ia 13 | 1992 | Stringer/Multi-beam or Girder | 216 ft | 7,000 | Good |
| E34(CO Home Rd) over Berrys Run No. 000000000221371 | East of N Marion RD | 2013 | Slab | 73 ft | 6,874 | Good |
| SB US 151 over Big Creek No. 000000000033560 | 1.9 Mi. N of SR X20 | 1960 | Culvert | 21 ft | 6,650 | Fair |
| 29th Ave over Wanatee Creek No. 000000000505460 | 084063501 | 2011 | Culvert | 37 ft | 6,593 | Good |
| NB US 151 over Big Creek No. 000000000601145 | 1.9 Mi. N of Jct. SR X20 | 1992 | Culvert | 21 ft | 6,500 | Good |
| WB 15th Ave over Over UP RR & Street No. 000000000605010 | 000000000 | 1983 | Stringer/Multi-beam or Girder | 698 ft | 6,454 | Fair |
| 60th Ave SW over Stream No. 000000000001191 | 000000000 | 1991 | Culvert | 26 ft | 6,447 | Fair |
| Kirkwood Blvd over US 30 No. 000000000600600 | 0.7 Mi. E of Jct. US 218 | 1975 | Stringer/Multi-beam or Girder | 272 ft | 6,394 | Good |
| NB US 151/922 over US 30 W JCT No. 000000000604110 | At Jct. 30 | 1980 | Stringer/Multi-beam or Girder | 365 ft | 6,300 | Fair |
| CO Home RD over Dry Creek No. 000000000221561 | Cty Home RD over Dry CR | 2010 | Slab | 130 ft | 6,285 | Good |
| 44th Street over Wanatee Creek No. 000000000504555 | 084063200 | 2001 | Slab | 128 ft | 5,894 | Good |
| 29th ST DR SE over Indian Creek No. 000000000503000 | 000000000 | 1972 | Stringer/Multi-beam or Girder | 212 ft | 5,800 | Fair |
| CO Home RD over Indian Creek No. 000000000221361 | 084060805 | 1993 | Slab | 128 ft | 5,794 | Good |
| E.Robins RD over Christopher Creek No. 000000000221601 | 084072600 | 1985 | Culvert | 22 ft | 5,794 | Good |
| Ia 100 EB over Old Ferry RD No. 000000000700435 | 1.0 MI NW of JCT CR W36 | 2016 | Stringer/Multi-beam or Girder | 239 ft | 5,750 | Good |
| Ia 100 WB over Ushers Ferry RD & Ck No. 000000000700450 | Cedar Rapids | 2016 | Stringer/Multi-beam or Girder | 315 ft | 5,750 | Good |
| Glass RD over Over Cc RR & Mccloud Run No. 000000000601515 | 000000000 | 1980 | Stringer/Multi-beam or Girder | 290 ft | 5,700 | Fair |
| Ia 100 WB over Old Ferry RD No. 000000000700440 | 1.0 MI NW of JCT CR W36 | 2016 | Stringer/Multi-beam or Girder | 239 ft | 5,700 | Good |
| Ia 100 EB over Ushers Ferry RD & Ck No. 000000000700445 | Cedar Rapids | 2016 | Stringer/Multi-beam or Girder | 315 ft | 5,700 | Good |
| Covington RD over Silver Creek No. 000000000033750 | 083081014 | 1955 | Stringer/Multi-beam or Girder | 212 ft | 5,696 | Poor |
| Ia 1 over Cedar River No. 000000000033571 | 3.1 Mi. S of Jct. US 30 | 1992 | Stringer/Multi-beam or Girder | 1,036 ft | 5,600 | Good |
| Ia 1 over Stream No. 000000000033581 | 2.3 Mi. S of Jct. US 30 | 1991 | Culvert | 33 ft | 5,600 | Good |
| Ia 13 over Wapsipinicon River No. 000000000033671 | In Central City | 1973 | Stringer/Multi-beam or Girder | 531 ft | 5,600 | Fair |
| Ia 13 over Heatons Creek No. 000000000033681 | 2.6 Mi. S of S JCT SR D62 | 1976 | Culvert | 22 ft | 5,600 | Fair |
| Franklin ST over Branch Blue Creek No. 000000000033861 | 000000000 | 2019 | Slab | 70 ft | 5,513 | Good |
| Center Point RD over East Otter Creek No. 000000000033831 | 084070614 | 2023 | Slab | 144 ft | 5,401 | Good |
| Blairsferry RD over Otter Creek No. 000000000221791 | 084082604 | 1971 | Stringer/Multi-beam or Girder | 189 ft | 5,401 | Good |
| US 30 WB over Spring Creek No. 000000000700540 | 3 MI E of US30/IA1 Intchg | 2019 | Stringer/Multi-beam or Girder | 669 ft | 5,400 | Good |
| US 30 EB over Spring Creek No. 000000000700545 | 3 MI E of US30/IA1 Intchg | 2019 | Stringer/Multi-beam or Girder | 669 ft | 5,400 | Good |
| US 30 over Drainage No. 000000000700555 | 1.4 Mi. E US30/IA1 Intchg | 2018 | Culvert | 26 ft | 5,400 | Good |
| W Main ST over Dry Creek No. 000000000009941 | 600 Feet West of Troy RD | 2010 | Slab | 130 ft | 5,369 | Good |
| 12th Ave over Cedar River & RD No. 000000000501030 | 083072812 | 1974 | Arch - Deck | 800 ft | 5,228 | Fair |
| SR W-36 over I-380 No. 000000000605090 | At Jct. S.R. W36 | 1983 | Stringer/Multi-beam or Girder | 273 ft | 5,205 | Good |
| Ia 13 over Stream No. 000000000033711 | 0.8 Mi. N of N JCT SR D62 | 1975 | Culvert | 38 ft | 5,200 | Fair |
| Covington RD over Lone Tree Creek No. 000000000033730 | 084083304 | 1925 | Stringer/Multi-beam or Girder | 64 ft | 5,200 | Poor |
| 76th Ave SW over I-380 No. 000000000607050 | 1.5 Mi.S.Of Jct. US 30 | 1975 | Stringer/Multi-beam or Girder | 258 ft | 5,100 | Fair |
| Ely RD over Abandoned RR No. 000000000220272 | 082071101 | 1976 | Stringer/Multi-beam or Girder | 179 ft | 5,095 | Fair |
| Ely RD over Pleasant Run Creek No. 000000000220275 | 082071306 | 1958 | Culvert | 21 ft | 5,008 | Good |
| Ia 13 over Buffalo Creek No. 000000000033691 | 0.1 Mi. N of S JCT SR D62 | 1976 | Stringer/Multi-beam or Girder | 205 ft | 4,970 | Good |
| Ia 13 over Stream No. 000000000033701 | 0.7 Mi. N of S JCT SR D62 | 1976 | Culvert | 24 ft | 4,970 | Fair |
| Ia 13 over Nugents Creek No. 000000000700290 | 1.1 MI N of S Jct. SR D62 | 1968 | Culvert | 53 ft | 4,970 | Fair |
| C St. over Prairie Creek No. 000000000001500 | 000000000 | 1964 | Stringer/Multi-beam or Girder | 217 ft | 4,910 | Poor |
| Covington RD over Ia 100 No. 000000000700430 | JCT Covington RD & Ia 100 | 2015 | Stringer/Multi-beam or Girder | 235 ft | 4,910 | Good |
| A Ave over 4th ST & RR No. 000000000502970 | 000000000 | 1974 | Stringer/Multi-beam or Girder | 324 ft | 4,860 | Fair |
| Glass RD over I-380 No. 000000000604310 | 1.1 Mi. S of Jct. Ia 100 | 1980 | Stringer/Multi-beam or Girder | 380 ft | 4,855 | Fair |
| US 30 WB over Willow Creek Road No. 000000000700505 | 0.9 MI W US30/IA1 Intchg | 2018 | Stringer/Multi-beam or Girder | 179 ft | 4,750 | Good |
| US 30 EB over Willow Creek Road No. 000000000700510 | 0.9 MI W US30/IA1 Intchg | 2019 | Stringer/Multi-beam or Girder | 179 ft | 4,700 | Good |
| I 380 SB Off Ramp over 2nd ST NE No. 000000000603960 | 3.9 Mi. N of Jct. US 30 | 1979 | Stringer/Multi-beam or Girder | 588 ft | 4,650 | Fair |
| Ia 1 over Abbe Creek No. 000000000700755 | 3.1 Mi. N U.S. 30 | 2016 | Culvert | 26 ft | 4,570 | Good |
| Blairs Ferry RD over Red Cedar River No. 000000000362220 | 084082105 | 1984 | Stringer/Multi-beam or Girder | 554 ft | 4,419 | Fair |
| Blairs Ferry RD over Mud Lake No. 000000000362230 | 084082205 | 1984 | Stringer/Multi-beam or Girder | 364 ft | 4,419 | Fair |
| 8th ST NE over I-380 No. 000000000603860 | 1.1 Mi. N Jct. Ia 922 | 1972 | Stringer/Multi-beam or Girder | 268 ft | 4,410 | Fair |
| J ST over Prairie Creek No. 000000000001470 | 000000000 | 1964 | Slab | 226 ft | 4,121 | Poor |
| Cottage Grove over Indian Creek No. 000000000001330 | 000000000 | 1948 | Slab | 150 ft | 3,980 | Fair |
| I 380 NB on Ramp over 2nd ST NE No. 000000000603970 | 0.6 Mi. N of Jct. US 151 | 1979 | Stringer/Multi-beam or Girder | 493 ft | 3,980 | Fair |
| W42 80th ST SW over US 30 No. 000000000605686 | 80th St. SW over US 30 | 2018 | Stringer/Multi-beam or Girder | 430 ft | 3,849 | Good |
| E Ave NW over Stream No. 000000000505725 | 083073001 | 1900 | Culvert | 25 ft | 3,610 | Good |
| NB US 151 over US 30 (e.Jct) No. 000000000033610 | At N Jct. U.S. 30 | 1965 | Stringer/Multi-beam or Girder | 239 ft | 3,600 | Fair |
| SB Ia 13 over East Indian Creek No. 000000000033651 | 2.1 Mi. N of Jct. SR E34 | 1987 | Slab | 103 ft | 3,600 | Good |
| NB Ia 13 over East Indian Creek No. 000000000033655 | 2.1 Mi. N of Jct. SR E34 | 1973 | Slab | 103 ft | 3,600 | Fair |
| NB Ia 13 over Over Cc RR No. 000000000033661 | 0.4 Mi. S of SR E16 | 1973 | Stringer/Multi-beam or Girder | 205 ft | 3,600 | Good |
| SB Ia 13 over Over Cc RR No. 000000000033665 | 0.4 MI S of S Jct. SR E16 | 1973 | Stringer/Multi-beam or Girder | 204 ft | 3,600 | Fair |
| Stoney Point RD over US 30 & US 218 No. 000000000605680 | 0.8 Mi. W of Jct. US 151 | 1985 | Stringer/Multi-beam or Girder | 282 ft | 3,596 | Good |
| Emmons ST over I-380 No. 000000000604735 | 0.9 Mi. N of Jct. 100 | 1980 | Stringer/Multi-beam or Girder | 246 ft | 3,500 | Good |
| E Ave Northwest over Cedar River No. 000000000605720 | 000000000 | 1979 | Stringer/Multi-beam or Girder | 685 ft | 3,461 | Poor |
| 16th Ave EB over Over UP RR & Street No. 000000000033420 | C65750560 | 1937 | Stringer/Multi-beam or Girder | 660 ft | 3,200 | Poor |
| 16th Ave over Cedar River No. 000000000001241 | 083072808 | 1989 | Stringer/Multi-beam or Girder | 615 ft | 3,197 | Good |
| Main ST over Wapsipinicon River No. 000000000001670 | 000000000 | 1952 | Stringer/Multi-beam or Girder | 323 ft | 3,187 | Fair |
| Ia 100 EB over Ellis RD Silver Creek No. 000000000700635 | 2.8 Mi. N of US 218/30 | 2016 | Stringer/Multi-beam or Girder | 602 ft | 3,150 | Good |
| Ia 100 WB over Ellis RD Silver Creek No. 000000000700640 | 2.8 Mi. N of US 218/30 | 2016 | Stringer/Multi-beam or Girder | 602 ft | 3,150 | Good |
| State ST over Rogers Creek No. 000000000004581 | 000000000 | 2007 | Culvert | 36 ft | 2,981 | Good |
| Franklin ST over Grubs Creek No. 000000000033871 | 000000000 | 1976 | Slab | 103 ft | 2,930 | Fair |
| Miller Road over Tower Creek No. 000000000363895 | 000000000 | 1996 | Slab | 25 ft | 2,740 | Fair |
| EB Coll Ia 100 over I-380 No. 000000000604710 | 0.1 Mi. S of Ia 100 | 1982 | Stringer/Multi-beam or Girder | 268 ft | 2,670 | Fair |
| Coldstream Ave over Mccloud Run No. 000000000001360 | 000000000 | 1980 | Frame | 68 ft | 2,650 | Fair |
| N Centerpoint over East Blue Creek No. 000000000033880 | 086083310 | 1930 | Girder and Floorbeam System | 92 ft | 2,583 | Poor |
| N Centerpoint over East Blue Creek No. 000000000033890 | 086082102 | 1926 | Culvert | 29 ft | 2,583 | Fair |
Structure types in Linn County
| Slab | 210 | 41.1% |
| Stringer/Multi-beam or Girder | 209 | 40.9% |
| Culvert | 71 | 13.9% |
| Truss - Thru | 7 | 1.4% |
| Arch - Deck | 4 | 0.8% |
| Tee Beam | 3 | 0.6% |
| Channel Beam | 2 | 0.4% |
| Girder and Floorbeam System | 2 | 0.4% |
| Box Beam or Girders - Multiple | 1 | 0.2% |
| Frame | 1 | 0.2% |
| Other | 1 | 0.2% |
Other counties in Iowa
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- Adams County 185
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- Woodbury County 455
- Worth County 116
- Wright County 175