Mitchell County, IA

160 public highway bridges

Mitchell County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Mitchell County, Iowa contains 160 public highway bridges. Roughly 47.5% are rated “Good,” 43.1% “Fair,” and 9.4% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

160
Total Bridges
47.5%
Good
43.1%
Fair
9.4%
Poor Condition

Condition Distribution

Good
47.5% (76)
Fair
43.1% (69)
Poor
9.4% (15)

All Bridges (160)

CAMEO AVE

Fair

Over: CREEK

100182802, Mitchell, IA

Built 1919 Load: 13.6 t ADT: 285

LANCER AVE

Fair

Over: BIG CEDAR RIVER

097170208, Mitchell, IA

Built 2002 Load: 14.1 t ADT: 1,905

340TH

Fair

Over: SPRING CREEK

097160501, Mitchell, IA

Built 1927 Load: 14.5 t ADT: 97

395TH

Fair

Over: BURR OAK CREEK

098160503, Mitchell, IA

Built 1920 Load: 14.5 t ADT: 15

385TH

Fair

Over: BURR OAK CREEK

098160903, Mitchell, IA

Built 1954 Load: 17.2 t ADT: 29

ECHO AVE

Fair

Over: ROCK CREEK

098182204, Mitchell, IA

Built 1920 Load: 17.2 t ADT: 44

KIRKWOOD AVE

Fair

Over: CREEK

097171404, Mitchell, IA

Built 1930 Load: 18.1 t ADT: 39

385TH

Fair

Over: SMALL STREAM

098171203, Mitchell, IA

Built 1973 Load: 18.1 t ADT: 49

DANCER AVE

Fair

Over: ROCK CREEK

098181502, Mitchell, IA

Built 1925 Load: 19.0 t ADT: 11

BALSAM AVE

Fair

Over: CREEK

100182004, Mitchell, IA

Built 1930 Load: 20.9 t ADT: 20

OLD IA 105

Fair

Over: TURTLE CREEK

099182306, Mitchell, IA

Built 1930 Load: 21.3 t ADT: 746

325TH

Fair

Over: ROCK CREEK

097170703, Mitchell, IA

Built 1956 Load: 21.8 t ADT: 44

CAMEO AVE

Fair

Over: ROCK CREEK

098180902, Mitchell, IA

Built 1974 Load: 22.4 t ADT: 33

430TH

Fair

Over: BEAVER CREEK

099151901, Mitchell, IA

Built 1953 Load: 22.7 t ADT: 403

420TH

Fair

Over: BIG CEDAR RIVER

099182603, Mitchell, IA

Built 1963 Load: 22.7 t ADT: 422

465TH

Fair

Over: DRAINAGE

100173303, Mitchell, IA

Built 1935 Load: 22.7 t ADT: 619

KIRKWOOD AVE

Fair

Over: ROCK CREEK

097171404, Mitchell, IA

Built 1955 Load: 23.3 t ADT: 39

NOBLE AVE

Fair

Over: CREEK

097160504, Mitchell, IA

Built 1974 Load: 23.6 t ADT: 29

WALNUT AVE

Fair

Over: SMALL STREAM

099150202, Mitchell, IA

Built 1950 Load: 24.5 t ADT: 462

JERSEY AVE

Fair

Over: SUGAR CREEK

098171002, Mitchell, IA

Built 1975 Load: 25.2 t ADT: 49

350TH

Fair

Over: SPRING CREEK

098163201, Mitchell, IA

Built 1973 Load: 25.4 t ADT: 33

VALLEY AVE

Fair

Over: CREEK

097150302, Mitchell, IA

Built 1971 Load: 25.6 t ADT: 33

450TH

Fair

Over: SMALL STREAM

099161201, Mitchell, IA

Built 1974 Load: 26.3 t ADT: 33

380TH

Fair

Over: LITTLE CEDAR RIVER

098161303, Mitchell, IA

Built 1979 Load: 27.2 t ADT: 44

430TH

Fair

Over: LITTLE CEDAR RIVER

099161503, Mitchell, IA

Built 1984 Load: 27.2 t ADT: 403

PRIMROSE AVE

Fair

Over: BURR OAK CREEK

098161006, Mitchell, IA

Built 1960 Load: 28.2 t ADT: 501

470TH

Fair

Over: WAPSIPINICON RIVER

100153401, Mitchell, IA

Built 1984 Load: 29.0 t ADT: 295

480TH

Fair

Over: BIG CEDAR RIVER

100182801, Mitchell, IA

Built 1979 Load: 29.0 t ADT: 216

UNDERWOOD AVE

Fair

Over: CREEK

097150402, Mitchell, IA

Built 1970 Load: 29.9 t ADT: 570

GLASS AVE

Fair

Over: ROCK CREEK

097170702, Mitchell, IA

Built 1977 Load: 29.9 t ADT: 678

NOBLE AVE

Fair

Over: SPRING CREEK

098162902, Mitchell, IA

Built 1977 Load: 30.8 t ADT: 59

410TH

Fair

Over: BURR OAK CREEK

099163101, Mitchell, IA

Built 1975 Load: 30.8 t ADT: 30

ORCHARD RD

Fair

Over: SPRING CREEK

097160708, Mitchell, IA

Built 1980 Load: 31.7 t ADT: 520

JERSEY AVE

Fair

Over: ROCK OAK CREEK

097171506, Mitchell, IA

Built 1974 Load: 31.7 t ADT: 34

RAMPART AVE

Fair

Over: CREEK

100162402, Mitchell, IA

Built 1967 Load: 31.7 t ADT: 167

US 218

Fair

Over: SPRING CREEK

0.2 mi. S of S Jct. IA 9, Mitchell, IA

Built 1975 Load: 32.1 t ADT: 2,030

340TH

Fair

Over: CREEK

097160101, Mitchell, IA

Built 1972 Load: 32.7 t ADT: 20

340TH

Fair

Over: CREEK

097170401, Mitchell, IA

Built 2001 Load: 32.7 t ADT: 78

400TH

Fair

Over: SOAP CREEK

098150401, Mitchell, IA

Built 1992 Load: 32.7 t ADT: 15

390TH

Fair

Over: WAPSIPINICON RIVER

098151203, Mitchell, IA

Built 1995 Load: 32.7 t ADT: 33

UNDERWOOD AVE

Fair

Over: CREEK

098153302, Mitchell, IA

Built 1994 Load: 32.7 t ADT: 570

NOBLE AVE

Fair

Over: SPRING CREEK

098162002, Mitchell, IA

Built 2002 Load: 32.7 t ADT: 49

460TH ST

Fair

Over: WAPSIPINICON

099150301, Mitchell, IA

Built 1983 Load: 32.7 t ADT: 118

490TH

Fair

Over: CREEK

100162201, Mitchell, IA

Built 1992 Load: 32.7 t ADT: 44

LOCAL

Fair

Over: BIG CEDAR RIVER

100180801, Mitchell, IA

Built 1978 Load: 32.7 t ADT: 49

ECHO AVE

Fair

Over: OTTER CREEK

100182302, Mitchell, IA

Built 1930 Load: 32.7 t ADT: 59

325TH

Fair

Over: SMALL STREAM

097181203, Mitchell, IA

Built 1985 Load: 33.6 t ADT: 29

CAMEO AVE

Fair

Over: CREEK

098182102, Mitchell, IA

Built 1920 Load: 33.6 t ADT: 26

480TH ST

Fair

Over: CREEK

100162505, Mitchell, IA

Built 1970 Load: 33.6 t ADT: 44

400TH

Fair

Over: CREEK

098150201, Mitchell, IA

Built 1978 Load: 34.5 t ADT: 29
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.