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

USH51NB TO STH29WB

Good

Over: CANADIAN NATIONAL RR

1.8M N OF RIB MOUNTAIN DR, Marathon, WI

Built 2008 Load: 45.4 t ADT: 7,200

LRD BENSON LAKE RD

Good

Over: S BR PIKE RIVER

3.0M E JCT CTH A, Marinette, WI

Built 1995 Load: 45.4 t ADT: 276

USH 141

Good

Over: PIKE RIVER

0.1M N JCT CTH K, Marinette, WI

Built 2006 Load: 45.4 t ADT: 4,900

USH 41-BRIDGE ST

Good

Over: MENOMINEE RIVER

0.5M N JCT STH 64, Marinette, WI

Built 2005 Load: 45.4 t ADT: 18,592

USH 41-BRIDGE ST

Good

Over: MENOMINEE RIVER

0.6M N JCT STH 64, Marinette, WI

Built 2005 Load: 45.4 t ADT: 19,500

USH 141 NB

Good

Over: LITTLE PESHTIGO RIVER

AT LITTLE PESHTIGO RIVER, Marinette, WI

Built 2005 Load: 45.4 t ADT: 5,100

IH 794 WB

Good

Over: LAND

MARQUETTE INETRCHANGE, Milwaukee, WI

Built 2008 Load: 45.4 t ADT: 26,100

LRD N 60TH ST

Good

Over: LINCOLN CREEK

0.3M N JCT STH 145, Milwaukee, WI

Built 1957 Load: 45.4 t ADT: 21,800

IH 90 WB-IH 94 WB

Good

Over: ALLEN CREEK

5.7M W JCT CTH C TO N, Monroe, WI

Built 1963 Load: 45.4 t ADT: 18,950

IH 94 WB

Good

Over: KREYER CREEK

4.2M W JCT CTH PP TO N, Monroe, WI

Built 1964 Load: 45.4 t ADT: 13,150

LRD MONOWAU ST

Good

Over: COUNCIL CREEK

0.3M E JCT USH 12, Monroe, WI

Built 1979 Load: 45.4 t ADT: 3,640

LRD CANARY AVE

Good

Over: SPENCER CREEK

1.0M W JCT STH 27, Monroe, WI

Built 1990 Load: 45.4 t ADT: 288

LRD KETTLE ROAD

Good

Over: BR SLEIGHTON CREEK

0.3M N JCT CTH M, Monroe, WI

Built 2009 Load: 45.4 t ADT: 84

LRD ONEIDA ROAD

Good

Over: UPPER BRUSH CREEK

0.2 M S JCT STH 33, Monroe, WI

Built 2019 Load: 45.4 t ADT: 205

LRD FIREFLY ROAD

Good

Over: BAILEY CREEK

0.8M E JCT CTH I, Monroe, WI

Built 1987 Load: 45.4 t ADT: 272

LRD HILL RD

Good

Over: S BR OCONTO RIVER

1.2M W JCT STH 32, Oconto, WI

Built 1989 Load: 45.4 t ADT: 180

CTH B

Good

Over: MESSENGER CR

2.1 MI SOUTH JCT CTH Z, Oconto, WI

Built 2006 Load: 45.4 t ADT: 1,200

CTH JJ

Good

Over: APPLE CREEK

0.1M W OF FRENCH ROAD, Outagamie, WI

Built 2011 Load: 45.4 t ADT: 4,817

LRD BANTA CT

Good

Over: FOX RIVER POWER CANAL

UNDER COLLEGE AVE BRIDGE, Outagamie, WI

Built 2009 Load: 45.4 t ADT: 1,656

LRD LAKEFIELD RD

Good

Over: ULAO CREEK

0.8M E JCT CTH W, Ozaukee, WI

Built 1984 Load: 45.4 t ADT: 670

USH 63

Good

Over: DRY RUN

0.6M N JCT STH 29 TO W, Pierce, WI

Built 2001 Load: 45.4 t ADT: 3,500

CTH V

Good

Over: BR ISABELLE CREEK

0.2M W JCT CTH DD TO N, Pierce, WI

Built 1993 Load: 45.4 t ADT: 566

LRD 113TH AVE

Good

Over: WARRENTOWN COULEE CR

0.2M W STH35, Pierce, WI

Built 2008 Load: 45.4 t ADT: 104

LRD FOUNTAIN GROVE

Good

Over: BEAR CREEK

0.2 MI E. RIVER RD, Portage, WI

Built 2007 Load: 45.4 t ADT: 52

LRD OLD 13 ROAD

Good

Over: SAILOR CR

0.5 MI N JCT PETERS RD., Price, WI

Built 2010 Load: 45.4 t ADT: 272

STH 11 NB

Good

Over: CN RR/FOX RIVER

0.15 MI E OF STH 83, Racine, WI

Built 2007 Load: 45.4 t ADT: 7,380

STH 11 EB

Good

Over: SPRING BROOK

0.5 MI N JCT STH 36, Racine, WI

Built 2008 Load: 45.4 t ADT: 4,750

STH 11 WB

Good

Over: SPRING BROOK

1.0 MI W JCT STH 83, Racine, WI

Built 2008 Load: 45.4 t ADT: 4,750

STH 60

Good

Over: MILL CREEK

1.6M E JCT STH 193, Richland, WI

Built 1987 Load: 45.4 t ADT: 1,400

STH 58

Good

Over: WILLOW CR

3.7M N JCT STH 154, Richland, WI

Built 2005 Load: 45.4 t ADT: 1,100

STH 23-STH 154

Good

Over: BR NARROWS CREEK

0.5M N JCT CTH CH, Sauk, WI

Built 1998 Load: 45.4 t ADT: 3,000

CTH C

Good

Over: OTTER CREEK

1.2M W JCT USH 12, Sauk, WI

Built 1996 Load: 45.4 t ADT: 550

STH 27

Good

Over: BRUNET RIVER

3.0M N JCT CTH D, Sawyer, WI

Built 1990 Load: 45.4 t ADT: 1,500

LRD E SHORE DR

Good

Over: KNUTESON CREEK

2.0M N JCT STH 48, Sawyer, WI

Built 1992 Load: 45.4 t ADT: 189

STH 27-STH 70

Good

Over: CHIPPEWA RIVER 28

1.2M N JCT STH 70 TO E, Sawyer, WI

Built 2008 Load: 45.4 t ADT: 1,300

STH 47

Good

Over: MINK CREEK

2.1M N JCT STH 156, Shawano, WI

Built 2007 Load: 45.4 t ADT: 5,100

STH 47

Good

Over: SLAB CITY CREEK

4.7M N JCT CTH S TO E, Shawano, WI

Built 2007 Load: 45.4 t ADT: 6,400

LRD NIAGARA AVE

Good

Over: CNW RR

0.2M S JCT STH 23, Sheboygan, WI

Built 1996 Load: 45.4 t ADT: 3,472

CTH FF

Good

Over: SHEBOYGAN RIVER

0.9M W JCT CTH M, Sheboygan, WI

Built 2018 Load: 45.4 t ADT: 380

USH 63

Good

Over: WI CENTRAL LIMITED RR

0.4M N JCT CTH S, St. Croix, WI

Built 1991 Load: 45.4 t ADT: 4,300

LRD 6TH AVE

Good

Over: N FK EAU CLAIRE RIVER

2.2M S JCT CTH F, Taylor, WI

Built 1990 Load: 45.4 t ADT: 38

ENTRANCE ROAD

Good

Over: TREMPEALEAU RIVER

SEC 12 T18N R10W, Trempealeau, WI

Built 1994 Load: 45.4 t ADT: 120

CTH H

Good

Over: JACKSON CREEK

2.1S JCT CTH NN, Walworth, WI

Built 2006 Load: 45.4 t ADT: 4,200

CTH M

Good

Over: TRIB CEDAR CR

0.1M N JCT STH 60, Washington, WI

Built 2009 Load: 45.4 t ADT: 1,000

STH 164 SB

Good

Over: SUSSEX CREEK

3.7 MI S JCT CTH Q, Waukesha, WI

Built 2006 Load: 45.4 t ADT: 9,000

CTH SR (SPRINGDALE

Good

Over: FOX RIVER

0.2M S JCT CTH M, Waukesha, WI

Built 2009 Load: 45.4 t ADT: 7,700

LRD DAYLILY DR

Good

Over: LILLY CR

0.1 M E JCT LILLY RD, Waukesha, WI

Built 2000 Load: 45.4 t ADT: 106

LRD LYON ST

Good

Over: PIGEON RIVER

0.3M E JCT USH 45, Waupaca, WI

Built 2006 Load: 45.4 t ADT: 1,200

LRD WISCONSIN STRE

Good

Over: FOX RIVER

AT, Winnebago, WI

Built 2008 Load: 45.4 t ADT: 21,100

LRD DAY RD

Good

Over: MILL CREEK

0.5M S JCT USH 10, Wood, WI

Built 1985 Load: 45.4 t ADT: 140

Showing 13,501-13,550 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.