Dunn County, WI

252 public highway bridges

Dunn County Bridge Snapshot

Dunn County, Wisconsin contains 252 public highway bridges in the FHWA National Bridge Inventory. Roughly 39.3% are rated “Good,” 38.9% “Fair,” 8.3% “Poor,” and 8.3% 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 WI 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.

252
Total Bridges
39.3%
Good
8.3%
Poor
8.3%
Structurally Deficient

Condition Distribution

Good
39.3% (99)
Fair
38.9% (98)
Poor
8.3% (21)
SD
8.3% (21)

All Bridges (252)

LRD 890TH ST

Fair

Over: GILBERT CREEK

0.2M S JCT STH 29, Dunn, WI

Built 1979 Load: 37.3 t ADT: 1,160

LRD 80TH AVE./CREE

Fair

Over: MISSOURI CREEK

0.5M W JCT CTH D, Dunn, WI

Built 1993 Load: 37.3 t ADT: 50

LRD 1150TH AVE

Fair

Over: S FK HAY RIVER

0.1M W JCT STH 79, Dunn, WI

Built 1988 Load: 37.3 t ADT: 101

CTH F

Fair

Over: LAMB CREEK

5.1M N JCT STH 25, Dunn, WI

Built 1982 Load: 37.3 t ADT: 263

LRD 430TH AVE

Fair

Over: IRON CREEK

0.2M W JCT CTH E, Dunn, WI

Built 1981 Load: 37.3 t ADT: 108

LRD HELLER RD

Fair

Over: WILSON CREEK

0.4M W JCT USH 12, Dunn, WI

Built 1992 Load: 38.9 t ADT: 996

LRD 500TH ST

Fair

Over: HAY RIVER

0.2M N JCT STH 170, Dunn, WI

Built 1987 Load: 38.9 t ADT: 152

STH 64

Fair

Over: RED CEDAR RIVER

1.1M E JCT CTH W TO S, Dunn, WI

Built 1987 Load: 38.9 t ADT: 1,800

CTH V

Fair

Over: S FK LOWER PINE CREEK

0.8M W JCT STH 25, Dunn, WI

Built 1995 Load: 38.9 t ADT: 271

USH12-STH29

Fair

Over: UNION PACIFIC RR

1.0M E JCT IH 94, Dunn, WI

Built 2001 Load: 38.9 t ADT: 6,100

CTH Q

Fair

Over: BR GILBERT CREEK

0.2M N JCT STH 29, Dunn, WI

Built 2002 Load: 38.9 t ADT: 269

IH 94 EB

Fair

Over: WILSON CREEK

8.6M E JCT CTH Q TO N, Dunn, WI

Built 2004 Load: 38.9 t ADT: 17,350

LRD 945TH AVE

Fair

Over: RUNNING VALLEY CREEK

0.3M W JCT CTH A, Dunn, WI

Built 1987 Load: 38.9 t ADT: 76

CTH M

Fair

Over: TROUT CREEK

2.5M S JCT STH 64, Dunn, WI

Built 1960 Load: 40.5 t ADT: 476

LRD 220TH ST

Fair

Over: EAU GALLE RIVER

0.1M N JCT CTH C, Dunn, WI

Built 1988 Load: 40.5 t ADT: 53

LRD CTH D

Fair

Over: EAU GALLE RIVER

.05MI S OF CTH Z, Dunn, WI

Built 1997 Load: 40.5 t ADT: 978

IH 94 WB

Fair

Over: WILSON CREEK

1.1M W JCT STH 25 TO N, Dunn, WI

Built 2006 Load: 40.5 t ADT: 17,350

LRD 930TH ST

Fair

Over: EIGHTEEN MILE CREEK

0.2M S JCT STH 40, Dunn, WI

Built 1960 Load: 40.5 t ADT: 101

CTH A

Fair

Over: EIGHTEEN MILE CREEK

0.1M S JCT STH 40, Dunn, WI

Built 1989 Load: 40.5 t ADT: 213

LRD 1290TH AVE

Fair

Over: FLAYTON CREEK

0.1M E JCT CTH V, Dunn, WI

Built 1989 Load: 40.5 t ADT: 40

CTH BB

Fair

Over: STREAM TO TAINTER LAKE

0.4M N JCT CTH'B', Dunn, WI

Built 1990 Load: 40.5 t ADT: 385

CTH K

Fair

Over: WILSON CREEK

0.2M S JCT USH 12, Dunn, WI

Built 1991 Load: 42.1 t ADT: 318

CTH B

Fair

Over: STREAM TO TAINTER LAKE

0.4M E JCT CTH BB, Dunn, WI

Built 1990 Load: 42.1 t ADT: 1,927

IH 94 WB

Fair

Over: ELK MOUND MARSH EQUALIZR

1.7M W JCT USH 12 TO W, Dunn, WI

Built 1958 Load: 43.7 t ADT: 18,350

IH 94 EB

Fair

Over: ELK MOUND MARSH EQUALIZR

4.7M E JCT CTH B TO N, Dunn, WI

Built 1959 Load: 43.7 t ADT: 18,350

IH 94 WB

Fair

Over: ELK MOUND MARSH EQUALIZR

0.8M W JCT USH 12 (H), Dunn, WI

Built 1958 Load: 43.7 t ADT: 18,350

IH 94 EB

Fair

Over: ELK MOUND MARSH EQUALIZR

5.6M E JCT CTH B TO N, Dunn, WI

Built 1958 Load: 43.7 t ADT: 18,350

USH 12 WB-STH 25 N

Fair

Over: RED CEDAR RIVER

0.6M W JCT STH 25 (H), Dunn, WI

Built 1992 Load: 47.0 t ADT: 16,600

CTH Q (5TH ST)

Fair

Over: BEAVER CREEK

0.1M E JCT CTH W, Dunn, WI

Built 1951 Load: 47.0 t ADT: 213

LRD 270TH ST

Fair

Over: GILBERT CREEK

0.4M S JCT STH 29, Dunn, WI

Built 1944 Load: 50.2 t ADT: 53

STH 25

Fair

Over: SPRING CREEK

3.2M N JCT CTH Y TO E, Dunn, WI

Built 1934 Load: 53.5 t ADT: 3,800

CTH Q

Fair

Over: BRANCH OF GILBERT CREEK

0.05 MILES N JCT STH 29, Dunn, WI

Built 1970 Load: 89.1 t ADT: 718

CTH F

Good

Over: BIG BEAVER CREEK

0.3M S JCT CTH FF, Dunn, WI

Built 1976 Load: 14.6 t ADT: 238

CTH P

Good

Over: LITTLE MISSOURI CREEK

0.8M W JCT CTH D, Dunn, WI

Built 1981 Load: 21.1 t ADT: 355

LRD 80TH ST

Good

Over: WILSON CREEK

0.1M S JCT USH 12, Dunn, WI

Built 1984 Load: 25.9 t ADT: 50

LRD 250TH ST

Good

Over: WILSON CREEK

0.1M S JCT USH 12, Dunn, WI

Built 1983 Load: 27.5 t ADT: 131

LRD 960TH ST

Good

Over: ELK CREEK

1.3M N JCT CTH H, Dunn, WI

Built 1979 Load: 29.2 t ADT: 264

LRD 130TH ST

Good

Over: BR S FK HAY RIVER

1.2M N JCT CTH Q, Dunn, WI

Built 1990 Load: 29.2 t ADT: 76

LRD MEADOW HILL DR

Good

Over: WILSON CREEK

0.1M S JCT USH 12, Dunn, WI

Built 1996 Load: 30.8 t ADT: 545

CTH Q

Good

Over: GILBERT CREEK

0.1M S JCT CTH N, Dunn, WI

Built 1978 Load: 30.8 t ADT: 268

LRD 770TH ST

Good

Over: LOWER PINE CREEK

0.3M N JCT CTH V, Dunn, WI

Built 1984 Load: 30.8 t ADT: 87

LRD 1020TH AVE

Good

Over: TIFFANY CREEK

1.3M E JCT STH 170, Dunn, WI

Built 1986 Load: 30.8 t ADT: 50

LRD 1330TH AVE

Good

Over: HAY RIVER

0.3M W JCT CTH K, Dunn, WI

Built 1987 Load: 30.8 t ADT: 50

STH 64

Good

Over: BR HAY CREEK

2.2M E JCT CTH SS, Dunn, WI

Built 1975 Load: 32.4 t ADT: 1,000

STH 40

Good

Over: MUDDY CREEK

0.6M N JCT CTH E, Dunn, WI

Built 1988 Load: 32.4 t ADT: 2,600

LRD 330TH ST

Good

Over: ANNIS CREEK

1.0M N JCT USH 12, Dunn, WI

Built 2002 Load: 32.4 t ADT: 24

STH 64

Good

Over: BR FLAYTON CREEK

0.5M E JCT STH 79, Dunn, WI

Built 2001 Load: 32.4 t ADT: 1,500

STH 29

Good

Over: TRIB. TO ELK CREEK

1.8 M E OF CTH "H", Dunn, WI

Built 2001 Load: 32.4 t ADT: 12,300

STH 72

Good

Over: BR EAU GALLE RIVER

1.8M E JCT CTH C, Dunn, WI

Built 2008 Load: 32.4 t ADT: 1,100

CTH Z

Good

Over: BR. OF MISSOURI CREEK

130FT. WEST OF 257TH ST., Dunn, WI

Built 2002 Load: 32.4 t ADT: 200

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