State profile · Near national median SD

Wisconsin bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Wisconsin — drawn straight from the FHWA National Bridge Inventory.

14,851
Public bridges
41.3%
Good condition
6.1%
Poor condition
6.1%
Structurally deficient

Total Bridges

14,851

Public highway bridges in Wisconsin

Good Condition

41.3%

6,130 bridges rated 7-9

-8.7pp vs 50% benchmark

Poor Condition

6.1%

911 bridges rated 0-4

Structurally Deficient

6.1%

911 bridges flagged for repair priority

-0.9pp vs national avg 7.0%

Wisconsin vs national bridge condition

Wisconsin — Good condition share 41.3%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Wisconsin — Structurally deficient share 20.4%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Bridge inventory deck-condition mix — Wisconsin (FHWA NBI)

Wisconsin41.2766817049357%33.10214800350145%GoodFairPoorStructurally Deficient
Bridge inventory deck-condition mix — Wisconsin (FHWA NBI)

Counties (72)

Adams 43 Ashland 92 Barron 321 Bayfield 103 Brown 478 Buffalo 239 Burnett 68 Calumet 63 Chippewa 366 Clark 297 Columbia 191 Crawford 212 Dane 624 Dodge 219 Door 32 Douglas 143 Dunn 252 Eau Claire 242 Florence 20 Fond du Lac 256 Forest 54 Grant 385 Green 249 Green Lake 50 Iowa 212 Iron 52 Jackson 220 Jefferson 186 Juneau 174 Kenosha 121 Kewaunee 93 La Crosse 250 Lafayette 217 Langlade 78 Lincoln 158 Manitowoc 272 Marathon 534 Marinette 136 Marquette 85 Menominee 25 Milwaukee 1005 Monroe 385 Oconto 149 Oneida 64 Outagamie 300 Ozaukee 107 Pepin 57 Pierce 248 Polk 77 Portage 192 Price 104 Racine 143 Richland 298 Rock 325 Rusk 152 Sauk 277 Sawyer 98 Shawano 162 Sheboygan 249 St. Croix 308 Taylor 176 Trempealeau 260 Vernon 333 Vilas 29 Walworth 209 Washburn 54 Washington 166 Waukesha 380 Waupaca 172 Waushara 54 Winnebago 264 Wood 242

Wisconsin vs nearby ranks

Adjacent states on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Wisconsin on the same metric.

28

Mississippi

5.92% top marginal rate
Structure
Progressive
Burden @ $100K
$16,823

45

South Carolina

6.10% top marginal rate
Structure
Progressive
Burden @ $100K
$5,396
Selected

55

Wisconsin

6.13% top marginal rate
Structure
Progressive
Burden @ $100K
$14,851

37

North Carolina

6.16% top marginal rate
Structure
Progressive
Burden @ $100K
$18,901

15

Hawaii

6.47% top marginal rate
Structure
Progressive
Burden @ $100K
$1,206

Bridges Needing Most Attention in Wisconsin

Six lowest-condition bridges in Wisconsin, ranked by composite NBI rating. Each is inspected at least every 24 months.

LRD MARKET RD

Poor

Over: BEAR CREEK

1.2M N JCT STH 76, Outagamie, WI

Built 1958 Load: 1.6 t ADT: 1,175

LRD WOODFORD DR

Poor

Over: RAILS TO TRAILS TRAIL

0.3M E JCT USH 45, Washington, WI

Built 1910 Load: 1.6 t ADT: 47

LRD ACCESS RD

Poor

Over: MENASHA CHANNEL

ACCESS TO PARKING LOT BY, Winnebago, WI

Built 1960 Load: 1.6 t ADT: 20

CTH A

Structurally Deficient

Over: UNION PACIFIC RR

1.0M W JCT STH 73, Columbia, WI

Built 1910 Load: 3.2 t ADT: 197

LRD OLD 64 (DEAD E

Structurally Deficient

Over: EVERGREEN CREEK

0.1M N JCT STH 64, Langlade, WI

Built 1916 Load: 3.2 t ADT: 6

LRD CORNELL LANE (

Structurally Deficient

Over: BR COON CREEK

0.1M E JCT USH 14, Vernon, WI

Built 1985 Load: 3.2 t ADT: 10

All Bridges in Wisconsin

CTH D

Good

Over: KNIGHTS CREEK

1.0M N JCT STH 72, Dunn, WI

Built 1995 Load: 37.3 t ADT: 159

CTH K

Good

Over: ANNIS CREEK

1.5M N JCT USH 12, Dunn, WI

Built 1998 Load: 37.3 t ADT: 852

LRD 730TH AVE (DEA

Good

Over: COON CREEK

0.5M W JCT STH 79, Dunn, WI

Built 2004 Load: 37.3 t ADT: 25

STH 25

Good

Over: RED CEDAR RIVER

0.1M N JCT STH 72, Dunn, WI

Built 2003 Load: 37.3 t ADT: 3,800

CTH Q

Good

Over: WILSON CREEK

0.3M N JCT USH 12, Dunn, WI

Built 2005 Load: 37.3 t ADT: 213

CTH I

Good

Over: OTTER CREEK

0.2M E USH 53, Eau Claire, WI

Built 1977 Load: 37.3 t ADT: 358

CTH CF

Good

Over: COON FORK CREEK

4.1M E USH 12, Eau Claire, WI

Built 1990 Load: 37.3 t ADT: 153

CTH H

Good

Over: BLACK CREEK

1.7M S CTH M, Eau Claire, WI

Built 1994 Load: 37.3 t ADT: 461

LRD KRUGER RD

Good

Over: BRIDGE CREEK

0.5M S USH 12, Eau Claire, WI

Built 1995 Load: 37.3 t ADT: 51

USH 10-USH 12-STH

Good

Over: SCHOOL HOUSE CREEK

0.5M E JCT USH 12 TO W, Eau Claire, WI

Built 2008 Load: 37.3 t ADT: 3,100

STH 27

Good

Over: EAU CLAIRE RIVER

0.8M N JCT CTH GG, Eau Claire, WI

Built 2008 Load: 37.3 t ADT: 2,400

STH 93 SB

Good

Over: WILLOW CREEK

3.7 MI. NORTH OF CTH "HH", Eau Claire, WI

Built 2006 Load: 37.3 t ADT: 5,250

CTH II

Good

Over: LOWES CREEK

0.5M W STH 93, Eau Claire, WI

Built 1990 Load: 37.3 t ADT: 1,896

LRD POND RD

Good

Over: SCHOOLHOUSE CREEK

0.6M E CTH H, Eau Claire, WI

Built 1914 Load: 37.3 t ADT: 153

CTH YY

Good

Over: SCHOOLHOUSE CREEK

0.1M N USH 10, Eau Claire, WI

Built 1930 Load: 37.3 t ADT: 563

STH 139

Good

Over: POPPLE RIVER

9.3M N JCT CTH O, Florence, WI

Built 1979 Load: 37.3 t ADT: 770

LRD PINE RIVER RD

Good

Over: PINE RIVER

2.3M E JCT STH 139, Florence, WI

Built 1987 Load: 37.3 t ADT: 41

LRD WISCONSIN AVE

Good

Over: MOSHER CREEK

0.8M E JCT CTH RP, Fond du Lac, WI

Built 1999 Load: 37.3 t ADT: 172

CTH Y

Good

Over: SEVEN MILE CREEK

0.5M W JCT USH 151, Fond du Lac, WI

Built 2000 Load: 37.3 t ADT: 570

LRD LAKE BERNICE D

Good

Over: W BR MILWAUKEE RIVER

1.3M E JCT CTH W, Fond du Lac, WI

Built 2003 Load: 37.3 t ADT: 107

LRD LINCOLN RD

Good

Over: VAN DYNE CREEK

0.7M W JCT CTH RP, Fond du Lac, WI

Built 2003 Load: 37.3 t ADT: 307

CTH HHH

Good

Over: S BR MANITOWOC RIVER

1.5M E JCT CTH C, Fond du Lac, WI

Built 2005 Load: 37.3 t ADT: 880

STH 26

Good

Over: W BR FOND DU LAC RIVER

2.0M N JCT STH 23, Fond du Lac, WI

Built 2023 Load: 37.3 t ADT: 11,100

LRD S NATIONAL AVE

Good

Over: DENEVEU CREEK

0.4M S JCT CTH T, 1.2 M W, Fond du Lac, WI

Built 1989 Load: 37.3 t ADT: 3,300

CTH G

Good

Over: S BRANCH PESHTIGO RIVER

3.6M E JCT STH 32, Forest, WI

Built 2019 Load: 37.3 t ADT: 770

LRD CHAFFIE HOLLOW

Good

Over: GRANT RIVER

1.8M N JCT STH 133, Grant, WI

Built 1982 Load: 37.3 t ADT: 104

LRD PIGEON RIVER R

Good

Over: GRANT RIVER

0.3M E JCT CTH U, Grant, WI

Built 1986 Load: 37.3 t ADT: 59

LRD GOVIER RD

Good

Over: LITTLE GRANT RIVER

1.0M N JCT CTH A, Grant, WI

Built 1988 Load: 37.3 t ADT: 102

LRD DRY HOLLOW RD

Good

Over: BACON BRANCH

0.5M N JCT CTH A, Grant, WI

Built 1989 Load: 37.3 t ADT: 104

LRD PIGEON RIVER R

Good

Over: PIGEON RIVER

2.3M W JCT CTH N, Grant, WI

Built 1992 Load: 37.3 t ADT: 161

LRD ADRIAN HOLLOW

Good

Over: BR GRANT RIVER

1.4M N JCT STH 133, Grant, WI

Built 1992 Load: 37.3 t ADT: 53

LRD TOWNLINE RD

Good

Over: BR PLATTE RIVER

3.0M S JCT USH 18, Grant, WI

Built 1994 Load: 37.3 t ADT: 53

LRD COLLINS RD

Good

Over: BIG GREEN RIVER

0.3M S JCT CTH K, Grant, WI

Built 1994 Load: 37.3 t ADT: 53

CTH Q

Good

Over: FENNIMORE CREEK

5.7M N JCT USH 18, Grant, WI

Built 1994 Load: 37.3 t ADT: 519

CTH Q

Good

Over: SIX MILE BRANCH

1.5M S JCT CTH G, Grant, WI

Built 1996 Load: 37.3 t ADT: 153

LRD HOMER RD

Good

Over: FENNIMORE CREEK

0.3M N JCT CTH Q, Grant, WI

Built 1996 Load: 37.3 t ADT: 104

STH 133

Good

Over: TRIB TO WISCONSIN RIVER

5.1M N JCT USH 61 TO N, Grant, WI

Built 1999 Load: 37.3 t ADT: 2,500

STH 133

Good

Over: TRIB TO WISCONSIN RIVER

6.0M N JCT USH 61 TO N, Grant, WI

Built 1999 Load: 37.3 t ADT: 2,500

STH 133

Good

Over: TRIB TO WISCONSIN RIVER

6.4M N JCT USH 61 TO N, Grant, WI

Built 1999 Load: 37.3 t ADT: 2,500

CTH B

Good

Over: PLATTE RIVER

2.3M E JCT STH 35, Grant, WI

Built 1999 Load: 37.3 t ADT: 1,325

LRD ROSENDALE RD

Good

Over: TRIB OF BIG GREEN RIVER

0.7M E JCT CTH K, Grant, WI

Built 1998 Load: 37.3 t ADT: 102

LRD FREMONT ST & C

Good

Over: SAUNDERS CREEK

0.5M E JCT USH 61, Grant, WI

Built 2000 Load: 37.3 t ADT: 1,300

USH 151 NB

Good

Over: MCADAM BR

1.9M N JCT CTH HH, Grant, WI

Built 2006 Load: 37.3 t ADT: 8,100

USH 151 SB

Good

Over: MCADAM BR

5.2M S JCT CTH O, Grant, WI

Built 2006 Load: 37.3 t ADT: 8,100

LRD HOMER RD

Good

Over: COON VALLEY CREEK

2.7M N JCT CTH Q, Grant, WI

Built 2001 Load: 37.3 t ADT: 107

LRD LEVEL VALLEY R

Good

Over: GUNDERSON VALLEY CREEK

2.2M W JCT CTH Q, Grant, WI

Built 2000 Load: 37.3 t ADT: 107

CTH J

Good

Over: LITTLE GRANT RIVER

1.3M S JCT CTH JJ, Grant, WI

Built 2003 Load: 37.3 t ADT: 450

LRD BOICE CREEK RD

Good

Over: BR BOICE CREEK

0.2M S JCT CAMELBACK RD, Grant, WI

Built 2001 Load: 37.3 t ADT: 78

LRD PEDDLE HOLLOW

Good

Over: SINNIPEE CREEK

0.7M W JCT USH 61, Grant, WI

Built 2005 Load: 37.3 t ADT: 105

LRD AIRPORT RD

Good

Over: BLOCKHOUSE BRANCH

0.4M E JCT USH 151, Grant, WI

Built 2005 Load: 37.3 t ADT: 105

Showing 11,301-11,350 of 14,851 bridges

Related

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Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

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