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)

FOOTHILL AVE

Fair

Over: ROCK CREEK

098183602, Mitchell, IA

Built 1981 Load: 34.5 t ADT: 26

340TH

Fair

Over: SMALL STREAM

097160401, Mitchell, IA

Built 1974 Load: 35.4 t ADT: 33

MARCH AVE

Fair

Over: SPRING CREEK

097161802, Mitchell, IA

Built 1966 Load: 35.4 t ADT: 177

UNDERWOOD AVE

Fair

Over: CREEK

098151602, Mitchell, IA

Built 1975 Load: 35.4 t ADT: 59

ECHO AVE

Fair

Over: CREEK

100182304, Mitchell, IA

Built 1989 Load: 35.4 t ADT: 25

KIRKWOOD AVE

Fair

Over: SUGAR CREEK

098171104, Mitchell, IA

Built 1974 Load: 36.0 t ADT: 70

450TH

Fair

Over: LITTLE CEDAR RIVER

099160803, Mitchell, IA

Built 1992 Load: 36.3 t ADT: 78

QUAIL AVE

Fair

Over: CREEK

100162302, Mitchell, IA

Built 1977 Load: 36.3 t ADT: 29

LIME KILN RD

Fair

Over: BIG CEDAR RIVER

098173403, Mitchell, IA

Built 1992 Load: 37.1 t ADT: 167

400TH

Fair

Over: BURR OAK CREEK

098160501, Mitchell, IA

Built 1975 Load: 37.2 t ADT: 59

450TH

Fair

Over: SMALL STREAM

099161101, Mitchell, IA

Built 1974 Load: 37.2 t ADT: 26

STATE LINE ST

Fair

Over: LITTLE CEDAR RIVER

100160901, Mitchell, IA

Built 1985 Load: 38.1 t ADT: 26

US 218

Fair

Over: OTTER CREEK

2.6 mi. N of Jct. SR A19, Mitchell, IA

Built 1970 Load: 39.0 t ADT: 2,530

ZINNIA AVE

Fair

Over: SMALL STREAM

100181902, Mitchell, IA

Built 1984 Load: 39.0 t ADT: 167

490TH ST

Fair

Over: CREEK

100182401, Mitchell, IA

Built 1984 Load: 40.8 t ADT: 33

US 218 & IA 9

Fair

Over: SPRING CREEK

1.9 MI. N OF S JCT. IA 9, Mitchell, IA

Built 1967 Load: 42.4 t ADT: 2,460

HICKORY AVE

Fair

Over: STREAM

098173204, Mitchell, IA

Built 1987 Load: 48.1 t ADT: 78

US 218 & IA 9

Fair

Over: SPRING CREEK

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

Built 1975 Load: 54.8 t ADT: 2,460

IA 9

Fair

Over: LITTLE CEDAR RIVER

4.0 MI. E OF E JCT. US218, Mitchell, IA

Built 1979 Load: 55.3 t ADT: 1,900

405TH

Good

Over: LITTLE CEDAR RIVER

099163503, Mitchell, IA

Built 1974 Load: 19.0 t ADT: 29

HICKORY AVE

Good

Over: CEDAR RIVER

098170806, Mitchell, IA

Built 1959 Load: 19.3 t ADT: 403

US 218

Good

Over: STREAM

1.0 mile North of SR A19, Mitchell, IA

Built 1967 Load: 21.8 t ADT: 2,530

330TH

Good

Over: FISH CREEK

097161201, Mitchell, IA

Built 1974 Load: 21.8 t ADT: 11

US 218

Good

Over: STREAM

3.3 mi. N of N Jct. IA 9, Mitchell, IA

Built 1979 Load: 22.6 t ADT: 2,260

DANCER AVE

Good

Over: DEER CREEK

099181504, Mitchell, IA

Built 1979 Load: 23.6 t ADT: 44

430TH

Good

Over: WAPSIPINICON RIVER

099152401, Mitchell, IA

Built 1988 Load: 24.5 t ADT: 78

340TH

Good

Over: LITTLE CEDAR RIVER

097150501, Mitchell, IA

Built 1981 Load: 25.1 t ADT: 70

370TH

Good

Over: DRAINAGE DITCH

098161901, Mitchell, IA

Built 1969 Load: 26.3 t ADT: 108

FOOTHILL AVE

Good

Over: BIG CEDAR RIVER

099183602, Mitchell, IA

Built 1950 Load: 26.3 t ADT: 1,021

340TH ST

Good

Over: CREEK

0.3 Mi E Valley Ave, Mitchell, IA

Built 2017 Load: 26.6 t ADT: 49

A43 390TH ST

Good

Over: SOAP CREEK

0.4 Mi W Valley Ave, Mitchell, IA

Built 2017 Load: 26.6 t ADT: 20

380TH

Good

Over: SOAP CREEK

098151701, Mitchell, IA

Built 2004 Load: 26.6 t ADT: 29

370TH

Good

Over: SUGAR CREEK

098172305, Mitchell, IA

Built 2004 Load: 26.6 t ADT: 333

440TH

Good

Over: BEAVER CREEK

0.25 Mi W of Timber Ave, Mitchell, IA

Built 2016 Load: 26.6 t ADT: 11

TIMBER AVE

Good

Over: BEAVER CREEK

.2 m N of 430th, Mitchell, IA

Built 2012 Load: 26.6 t ADT: 39

450TH ST

Good

Over: CREEK

450th 0.15 mW of Primrose, Mitchell, IA

Built 2013 Load: 26.6 t ADT: 49

465TH

Good

Over: WAPSIPINICON RIVER

100153303, Mitchell, IA

Built 2010 Load: 26.6 t ADT: 20

WINDFALL AVE

Good

Over: CREEK

.05 m N of 460th St, Mitchell, IA

Built 2012 Load: 26.6 t ADT: 15

OCEAN AVE

Good

Over: LITTLE CEDAR RIVER

100161606, Mitchell, IA

Built 2003 Load: 26.6 t ADT: 21

DANCER AVE

Good

Over: OTTER CREEK

000000000, Mitchell, IA

Built 2009 Load: 26.6 t ADT: 33

MARCH AVE

Good

Over: CREEK

.3 m S of 480th, Mitchell, IA

Built 2013 Load: 26.6 t ADT: 26

440TH

Good

Over: SMALL STREAM

099161501, Mitchell, IA

Built 1986 Load: 29.0 t ADT: 11

380TH

Good

Over: ROCK

098181601, Mitchell, IA

Built 1970 Load: 29.9 t ADT: 177

500TH

Good

Over: WAPSIPINICON RIVER

100151801, Mitchell, IA

Built 1977 Load: 29.9 t ADT: 70

SHADOW AVE

Good

Over: BURR OAK CREEK

098161204, Mitchell, IA

Built 1974 Load: 30.8 t ADT: 59

440TH

Good

Over: TURTLE CREEK

099171801, Mitchell, IA

Built 1975 Load: 30.8 t ADT: 49

IA 9

Good

Over: SUGAR CREEK

1.2 mi. W of jct. US 218, Mitchell, IA

Built 2013 Load: 32.4 t ADT: 2,990

T34 JERSEY AVE

Good

Over: CREEK

1 Mi S 330th St, Mitchell, IA

Built 2016 Load: 32.4 t ADT: 69

317TH ST

Good

Over: CREEK

0.1 Mi E Jersey Ave, Mitchell, IA

Built 2016 Load: 32.4 t ADT: 11

OLD IA 105

Good

Over: CEDAR RIVER

099181412, Mitchell, IA

Built 1989 Load: 32.7 t ADT: 746
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.