Dubuque County, IA

304 public highway bridges

Dubuque County Bridge Snapshot

Dubuque County, Iowa contains 304 public highway bridges in the FHWA National Bridge Inventory. Roughly 41.4% are rated “Good,” 35.5% “Fair,” 8.9% “Poor,” and 8.9% 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.

304

Total Bridges

41.4%

Good

8.9%

Poor

8.9%

Structurally Deficient

Condition Distribution

Good

41.4% (126)

Fair

35.5% (108)

Poor

8.9% (27)

SD

8.9% (27)

All Bridges (304)

Sort:

LOCAL

Over: STREAM

090E13505, Dubuque, IA

Built 1981 Load: 32.1 t ADT: 80

LAKE ELEANOR RD

Over: SMALL STREAM

00000, Dubuque, IA

Built 1980 Load: 32.1 t ADT: 480

CHESTERMAN RD

Over: CREEK

088E10203, Dubuque, IA

Built 2014 Load: 32.4 t ADT: 71

FM

Over: SMALL STREAM

091E13008, Dubuque, IA

Built 1895 Load: 32.4 t ADT: 45

SYCAMORE ST

Over: BEE BRANCH

N OF E 15TH STREET, Dubuque, IA

Built 2011 Load: 32.4 t ADT: 2,147

IA 3

Over: N FORK MAQUOKETA RIVER

1.5 MI. S Jct. IA 136, Dubuque, IA

Built 1968 Load: 32.7 t ADT: 1,720

LOCAL

Over: CREEK

087E10303, Dubuque, IA

Built 2002 Load: 32.7 t ADT: 60

FM

Over: WHITE WATER CREEK

087011007, Dubuque, IA

Built 1988 Load: 32.7 t ADT: 590

STEGER RD

Over: N BR MAQUOKETA RIVER

087021803, Dubuque, IA

Built 2017 Load: 32.7 t ADT: 26

KEMP RD

Over: CREEK

088E30706, Dubuque, IA

Built 2000 Load: 32.7 t ADT: 520

LOCAL

Over: CREEK

088013304, Dubuque, IA

Built 2001 Load: 32.7 t ADT: 44

FM

Over: CREEK

088021505, Dubuque, IA

Built 2001 Load: 32.7 t ADT: 80

SEIPPEL RD

Over: MIDDLE FORK CATFISH CRK

N. OF CHAVENELLE RD, Dubuque, IA

Built 1949 Load: 32.7 t ADT: 3,632

LOCAL RD

Over: CREEK

089010704, Dubuque, IA

Built 1998 Load: 32.7 t ADT: 11

FM

Over: CREEK

090011204, Dubuque, IA

Built 1946 Load: 32.7 t ADT: 160

FM

Over: CLOIE CREEK

089E20504, Dubuque, IA

Built 1992 Load: 32.7 t ADT: 1,159

GRAF RD

Over: CREEK

089E13204, Dubuque, IA

Built 1985 Load: 32.7 t ADT: 678

CHAVENELLE RD

Over: MID FK CATFISH CREEK

W. OF SYNERGY COURT, Dubuque, IA

Built 1998 Load: 32.7 t ADT: 3,011

KEY WAY

Over: NORTH FORK CATFISH CREEK

0.04 MI N OF KEYSTONE DR, Dubuque, IA

Built 2010 Load: 32.7 t ADT: 1,932

US 61

Over: OTTER CREEK

0.3 MI. N of Jct. SR D55, Dubuque, IA

Built 1967 Load: 32.7 t ADT: 9,000

FM

Over: SMALL

087E13006, Dubuque, IA

Built 1978 Load: 33.0 t ADT: 720

FM

Over: JOHN'S CREEK

088023604, Dubuque, IA

Built 1972 Load: 33.0 t ADT: 680

LOCAL

Over: CURRAN BRANCH

087010104, Dubuque, IA

Built 1938 Load: 33.3 t ADT: 40

FETTKETHER LANE

Over: NO FORK LITTLE MAQUOKETA

090E12812, Dubuque, IA

Built 2017 Load: 35.0 t ADT: 20

LOCAL

Over: CREEK

088010902, Dubuque, IA

Built 1900 Load: 35.1 t ADT: 49

OLD MILL RD

Over: CATFISH CREEK

N.W. OF ROCKDALE RD, Dubuque, IA

Built 1978 Load: 35.3 t ADT: 5,395

MONROE ST NE

Over: CREEK

000000000, Dubuque, IA

Built 1929 Load: 36.3 t ADT: 424

IA 3

Over: LITTLE MAQUOKETA RIVER

0.4 mi. N of N Jct SR D10, Dubuque, IA

Built 1947 Load: 37.2 t ADT: 5,100

FM

Over: LYTLE CREEK

087E22903, Dubuque, IA

Built 1992 Load: 37.2 t ADT: 260

CREEKWOOD DR

Over: CATFISH CREEK

W. OF MANSON RD., Dubuque, IA

Built 2006 Load: 37.3 t ADT: 549

US 52

Over: N FORK MAQUOKETA RIVER

0.1 mi. S of Jct. SR C64, Dubuque, IA

Built 1985 Load: 38.7 t ADT: 3,990

FM

Over: MIDDLE MAQUOKETA RIVER

090E13204, Dubuque, IA

Built 1974 Load: 40.2 t ADT: 350

DUTCH LANE RD

Over: WHITE WATER CREEK

088E11702, Dubuque, IA

Built 2012 Load: 40.8 t ADT: 151

EB US 20

Over: N FORK MAQUOKETA RIVER

0.6 MI. W OF JCT IA 136, Dubuque, IA

Built 1986 Load: 42.6 t ADT: 5,400

1 ST AVE. W

Over: N FORK MAQUOKETA RIVER

000000000, Dubuque, IA

Built 1979 Load: 43.4 t ADT: 5,495

BUNCOMBE RD

Over: BUNCOMBE CREEK

087E21403, Dubuque, IA

Built 2001 Load: 43.7 t ADT: 34

LOCAL

Over: BUNCOMBE CREEK

087E21504, Dubuque, IA

Built 1993 Load: 43.7 t ADT: 20

MANSON RD

Over: CATFISH CREEK

N.E. OF CREEKWOOD DR, Dubuque, IA

Built 2002 Load: 44.7 t ADT: 340

FM

Over: JOHNS CREEK

087011604, Dubuque, IA

Built 1991 Load: 45.4 t ADT: 590

MILLVILLE RD

Over: STREAM

089013403, Dubuque, IA

Built 2017 Load: 46.3 t ADT: 20

IA 136

Over: BR DURIEN CREEK

0.1 mi. N of SR D39, Dubuque, IA

Built 1985 Load: 47.2 t ADT: 2,520

FM

Over: N. FORK LITTLE MAQUOKETA

090E11902, Dubuque, IA

Built 2001 Load: 48.2 t ADT: 240

UNIVERSITY AVE

Over: NORTH FORK CATFISH CREEK

E. OF JOHN F KENNEDY RD, Dubuque, IA

Built 2006 Load: 51.8 t ADT: 4,131

FM

Over: PRAIRIE CREEK

087E12304, Dubuque, IA

Built 1991 Load: 52.9 t ADT: 650

FM

Over: JOHNS CREEK

087011703, Dubuque, IA

Built 2001 Load: 52.9 t ADT: 130

FM

Over: CATFISH CREEK

088E21604, Dubuque, IA

Built 1998 Load: 52.9 t ADT: 450

GRAF RD

Over: LITTLE MAQUOKETA RIVER

089E13203, Dubuque, IA

Built 2006 Load: 52.9 t ADT: 560

FM

Over: WHITE WATER CREEK

088013511, Dubuque, IA

Built 1996 Load: 53.5 t ADT: 530

FM

Over: WHITE WATER CREEK

088013603, Dubuque, IA

Built 1996 Load: 53.5 t ADT: 530

LOCAL

Over: CREEK

089022701, Dubuque, IA

Built 1988 Load: 60.9 t ADT: 97

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