Clayton County, IA

214 public highway bridges

Clayton County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Clayton County, Iowa contains 214 public highway bridges. Roughly 32.2% are rated “Good,” 57.9% “Fair,” and 9.8% “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.

214
Total Bridges
32.2%
Good
57.9%
Fair
9.8%
Poor Condition

Condition Distribution

Good
32.2% (69)
Fair
57.9% (124)
Poor
9.8% (21)

All Bridges (214)

160TH ST

Fair

Over: STREAM

094060403, Clayton, IA

Built 1981 Load: 32.3 t ADT: 11

GRANDVIEW RD

Fair

Over: SMALL STREAM

092041808, Clayton, IA

Built 1984 Load: 32.7 t ADT: 874

DOMINO RD

Fair

Over: STREAM

093052907, Clayton, IA

Built 1920 Load: 32.7 t ADT: 619

190TH ST

Fair

Over: STREAM

094042101, Clayton, IA

Built 1988 Load: 32.7 t ADT: 206

145TH ST

Fair

Over: SMALL CREEK

095052903, Clayton, IA

Built 1986 Load: 32.7 t ADT: 69

IA 56

Fair

Over: PONY CREEK

0.1 MI. W OF JCT. IA 13, Clayton, IA

Built 1983 Load: 32.7 t ADT: 1,280

DOMINO RD

Fair

Over: SCHNEIDERS CREEK

093052809, Clayton, IA

Built 1973 Load: 33.0 t ADT: 619

EAGLE RD

Fair

Over: ROBERTS CREEK

094051604, Clayton, IA

Built 1986 Load: 33.3 t ADT: 98

CRYSTAL RD

Fair

Over: HEWETT CREEK

092061404, Clayton, IA

Built 1977 Load: 34.6 t ADT: 44

BUSH RD

Fair

Over: DEEP CREEK

093063103, Clayton, IA

Built 1978 Load: 34.6 t ADT: 275

ASPEN RD

Fair

Over: WILLOW CREEK

092060507, Clayton, IA

Built 1914 Load: 35.9 t ADT: 275

GREAT RIVER RD

Fair

Over: BUCK CREEK

093023210, Clayton, IA

Built 1979 Load: 36.0 t ADT: 1,228

FROELICH RD

Fair

Over: STREAM

095043303, Clayton, IA

Built 1904 Load: 36.9 t ADT: 154

330TH ST

Fair

Over: SPRING CREEK

092063605, Clayton, IA

Built 2012 Load: 37.9 t ADT: 35

LOWER CEDAR RD

Fair

Over: CEDAR CREEK

092033203, Clayton, IA

Built 1930 Load: 38.6 t ADT: 44

DOMINO RD

Fair

Over: PINE CREEK

092060206, Clayton, IA

Built 1973 Load: 39.0 t ADT: 619

FM

Fair

Over: SNY MAGILL

094032206, Clayton, IA

Built 1980 Load: 39.5 t ADT: 953

BRIDGE ST

Fair

Over: HONEY CREEK

092052524, Clayton, IA

Built 1973 Load: 40.2 t ADT: 589

GARBER RD

Fair

Over: SOUTH CEDAR CREEK

000000000, Clayton, IA

Built 2009 Load: 41.5 t ADT: 638

LUMBER RD

Fair

Over: SMALL

091033604, Clayton, IA

Built 1976 Load: 46.7 t ADT: 70

AGATE RD

Fair

Over: SAND CREEK

094062003, Clayton, IA

Built 2002 Load: 48.2 t ADT: 295

LANTERN AVE

Fair

Over: MILL CREEK

091031306, Clayton, IA

Built 1940 Load: 48.9 t ADT: 11

US 18

Fair

Over: BLOODY RUN & RR

1.3 mi. W of Jct. IA. 76, Clayton, IA

Built 1988 Load: 49.4 t ADT: 4,140

BASSWOOD AVE

Fair

Over: ROBERTS CREEK

095061502, Clayton, IA

Built 2002 Load: 58.1 t ADT: 668

LAREDO RD

Good

Over: TURKEY RIVER

040000520, Clayton, IA

Built 2002 Load: 12.6 t ADT: 799

DELTA AVE

Good

Over: STREAM

093050604, Clayton, IA

Built 1955 Load: 17.0 t ADT: 16

390TH ST

Good

Over: SMALL STREAM

091063101, Clayton, IA

Built 1958 Load: 17.0 t ADT: 79

HAZEL RD

Good

Over: STREAM

092041703, Clayton, IA

Built 1978 Load: 22.7 t ADT: 30

215TH ST

Good

Over: SMALL STREAM

094043303, Clayton, IA

Built 1986 Load: 22.7 t ADT: 49

145TH ST

Good

Over: SILVER CREEK

095052903, Clayton, IA

Built 1986 Load: 22.7 t ADT: 69

CORAL AVE

Good

Over: SILVER CREEK

095062404, Clayton, IA

Built 2021 Load: 22.7 t ADT: 30

250TH ST

Good

Over: STREAM

093042301, Clayton, IA

Built 1999 Load: 23.3 t ADT: 206

390TH ST

Good

Over: LINDSEY CREEK

091053203, Clayton, IA

Built 2006 Load: 24.0 t ADT: 26

IA 13

Good

Over: TURKEY RIVER OVERFLOW

0.3 mi. N of Jct. IA #56, Clayton, IA

Built 1982 Load: 24.5 t ADT: 2,800

GOLDEN AVE

Good

Over: DOE CREEK

091040604, Clayton, IA

Built 2002 Load: 24.9 t ADT: 11

JUPITER RD

Good

Over: TURKEY RIVER

092043618, Clayton, IA

Built 1983 Load: 25.1 t ADT: 246

B45

Good

Over: UNAMED CREEK

AT JCT. US 18 & SR B45, Clayton, IA

Built 1988 Load: 28.2 t ADT: 10

FM

Good

Over: BUCK CREEK

093031604, Clayton, IA

Built 1986 Load: 28.5 t ADT: 894

FAWN HOLLOW

Good

Over: ROBERT'S CREEK

094053606, Clayton, IA

Built 1984 Load: 29.8 t ADT: 128

258TH ST

Good

Over: DRY MILL CREEK

093041906, Clayton, IA

Built 2008 Load: 30.1 t ADT: 10

FAWN HOLLOW

Good

Over: ROBERT'S CREEK

093050204, Clayton, IA

Built 1984 Load: 31.4 t ADT: 118

US 18 & 52

Good

Over: NATURAL STREAM

0.6 MI. W OF E JCT. US 52, Clayton, IA

Built 1967 Load: 32.1 t ADT: 3,780

MISSISSIPPI RD

Good

Over: STREAM

093021803, Clayton, IA

Built 2005 Load: 32.3 t ADT: 157

A AVE

Good

Over: DEEP CREEK

093063104, Clayton, IA

Built 1998 Load: 32.3 t ADT: 11

FAWN HOLLOW RD

Good

Over: STREAM

0.5 MI. S OF JCT. IA 128, Clayton, IA

Built 1979 Load: 32.4 t ADT: 10

TOLLGATE RD

Good

Over: SMALL STREAM

091012805, Clayton, IA

Built 1982 Load: 32.7 t ADT: 246

MESQUITE RD

Good

Over: SMALL STREAM

091020603, Clayton, IA

Built 1986 Load: 32.7 t ADT: 41

CHERRY VALLEY R

Good

Over: STREAM

091021507, Clayton, IA

Built 1996 Load: 32.7 t ADT: 104

A AVE

Good

Over: STREAM

091060704, Clayton, IA

Built 1996 Load: 32.7 t ADT: 39

ACORN RD

Good

Over: STREAM

091062906, Clayton, IA

Built 2000 Load: 32.7 t ADT: 62

Read our methodology - how this data is sourced, computed, and verified.

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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.