Carroll County, IA

223 public highway bridges

Carroll County Bridge Snapshot

Carroll County, Iowa contains 223 public highway bridges in the FHWA National Bridge Inventory. Roughly 48.4% are rated “Good,” 43.5% “Fair,” 7.6% “Poor,” and 7.6% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in IA are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

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

223

Total Bridges

48.4%

Good

7.6%

Poor

7.6%

Structurally Deficient

Condition Distribution

Good

48.4% (108)

Fair

43.5% (97)

Poor

7.6% (17)

SD

7.6% (17)

All Bridges (223)

Sort:

LOCAL

Over: SMALL CREEK

000000000, Carroll, IA

Built 2011 Load: 34.3 t ADT: 50

LOCAL

Over: FIELD STREAM

085360301, Carroll, IA

Built 2001 Load: 34.9 t ADT: 71

FM

Over: NORTH RACOON

084330303, Carroll, IA

Built 1989 Load: 35.0 t ADT: 100

LOCAL

Over: BRUSHY FORK CREEK

082340701, Carroll, IA

Built 1994 Load: 35.2 t ADT: 29

LOCAL

Over: BRUSHY FORK CREEK

083350701, Carroll, IA

Built 1996 Load: 35.8 t ADT: 40

E-60

Over: DEDHAM CREEK

000000000, Carroll, IA

Built 1977 Load: 36.3 t ADT: 311

FM

Over: MIDDLE RACCOON RIVER

084342802, Carroll, IA

Built 2005 Load: 36.3 t ADT: 1,623

LOCAL

Over: BRUSHY FORK CREEK

082350201, Carroll, IA

Built 1991 Load: 37.2 t ADT: 71

LOCAL

Over: FIELD STREAM

083342803, Carroll, IA

Built 1998 Load: 37.2 t ADT: 89

LOCAL

Over: WILLEY BRANCH

083342902, Carroll, IA

Built 1996 Load: 37.3 t ADT: 15

LOCAL

Over: BRUSHY FORK CREEK

083352102, Carroll, IA

Built 2001 Load: 37.6 t ADT: 89

LOCAL

Over: MIDDLE RACCOON RIVER

084342702, Carroll, IA

Built 1997 Load: 37.6 t ADT: 79

DELTA AVE

Over: WEST NISHNABOTNA RIVER

082360302, Carroll, IA

Built 2011 Load: 37.9 t ADT: 847

FM

Over: BRUSHY FORK CREEK

083351705, Carroll, IA

Built 2008 Load: 37.9 t ADT: 477

BELLA VISTA DR

Over: LATERAL #77 DD #23

000000000, Carroll, IA

Built 1988 Load: 38.1 t ADT: 293

FM

Over: MIDDLE RACCOON RIVER

082340201, Carroll, IA

Built 1995 Load: 38.8 t ADT: 100

280TH ST

Over: FIELD STREAM

082350401, Carroll, IA

Built 2022 Load: 38.9 t ADT: 60

PHOENIX AVE

Over: WILLEY BRANCH

083342702, Carroll, IA

Built 2012 Load: 38.9 t ADT: 29

PHOENIX AVE

Over: STORM CREEK

084341002, Carroll, IA

Built 2023 Load: 38.9 t ADT: 20

IA 141

Over: BRUSHY CREEK

4.5 MI. W OF Sec. Rd. N44, Carroll, IA

Built 1976 Load: 39.7 t ADT: 1,500

120TH STREET

Over: PURGATORY CREEK

085331301, Carroll, IA

Built 2011 Load: 39.9 t ADT: 26

240TH ST

Over: WILLOW CREEK

083331401, Carroll, IA

Built 2016 Load: 40.2 t ADT: 15

LOCAL

Over: FIELD STREAM

082350202, Carroll, IA

Built 2002 Load: 41.0 t ADT: 29

WILLOW AVE

Over: FIELD STREAM

082332304, Carroll, IA

Built 2014 Load: 41.1 t ADT: 29

290TH ST

Over: FIELD STREAM

082360801, Carroll, IA

Built 2013 Load: 41.1 t ADT: 71

320TH ST

Over: FIELD STREAM

082362701, Carroll, IA

Built 2020 Load: 41.1 t ADT: 29

FM

Over: HALBUR CR TRIB TO BRUSHY

083 35 18 13, Carroll, IA

Built 2010 Load: 41.1 t ADT: 477

E46 240TH ST

Over: WEST NISHNABOTNA RIVER

083361601, Carroll, IA

Built 2016 Load: 41.1 t ADT: 34

KITTYHAWK AVE

Over: STORM CREEK DD #23

085352302, Carroll, IA

Built 2013 Load: 41.1 t ADT: 79

LOCAL

Over: BRUSHY FORK CREEK

084353102, Carroll, IA

Built 1994 Load: 41.9 t ADT: 11

295TH ST

Over: MIDDLE RACCOON RIVER

082341203, Carroll, IA

Built 2012 Load: 42.1 t ADT: 20

FM

Over: WEST NISHNABOTNA RIVER

082 36 20 04, Carroll, IA

Built 2010 Load: 42.1 t ADT: 1,693

HAWTHORNE AVE

Over: FIELD STREAM

083352904, Carroll, IA

Built 2011 Load: 44.1 t ADT: 60

FM

Over: SMALL STREAM

085363302, Carroll, IA

Built 1984 Load: 44.5 t ADT: 588

FM

Over: FIELD STREAM

082362202, Carroll, IA

Built 1989 Load: 45.4 t ADT: 100

FM

Over: SPRING BRANCH

083341602, Carroll, IA

Built 1997 Load: 45.4 t ADT: 1,186

FM

Over: BRUSHY FORK CREEK

083351811, Carroll, IA

Built 1990 Load: 45.4 t ADT: 638

FM

Over: FIELD STREAM

084362501, Carroll, IA

Built 2006 Load: 45.4 t ADT: 34

ROBIN AVE

Over: CREEK

082341302, Carroll, IA

Built 2005 Load: 45.5 t ADT: 45

FM

Over: FIELD STREAM

083340202, Carroll, IA

Built 2003 Load: 45.5 t ADT: 29

LOCAL

Over: SPRING BRANCH

083341604, Carroll, IA

Built 1996 Load: 45.5 t ADT: 20

LOCAL

Over: MIDDLE RACCON RIVER

084350602, Carroll, IA

Built 2001 Load: 45.5 t ADT: 50

FM

Over: MIDDLE RACOON RIVER

085362504, Carroll, IA

Built 2002 Load: 45.5 t ADT: 29

FM

Over: FIELD STREAM

082353601, Carroll, IA

Built 2006 Load: 45.7 t ADT: 34

FM

Over: FIELD STREAM

083342804, Carroll, IA

Built 2005 Load: 45.7 t ADT: 1,075

FM

Over: FIELD STREAM

083351806, Carroll, IA

Built 2007 Load: 45.7 t ADT: 358

FM

Over: WEST NISHNABOTNA RIVER

083361601, Carroll, IA

Built 2008 Load: 45.7 t ADT: 34

LOCAL

Over: FIELD STREAM

082332201, Carroll, IA

Built 2002 Load: 46.0 t ADT: 71

LOCAL

Over: STORM CREEK

085343002, Carroll, IA

Built 1987 Load: 46.0 t ADT: 79

LOCAL

Over: FIELD STREAM

083342704, Carroll, IA

Built 2003 Load: 48.0 t ADT: 29

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

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Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial

Reviewed byPlainbridges Editorial, Plain Bridges Editorial Team · June 6, 2026