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

LRD MULLER RD

Good

Over: MAUNESHA R

TOWN OF BRISTOL, DANE COU, Dane, WI

Built 2010 Load: 35.0 t ADT: 410

CTH AB

Good

Over: YAHARA RIVER

2.3M S JCT CTH MN, Dane, WI

Built 2019 Load: 35.0 t ADT: 1,200

LRD LAKE MARIA RD

Good

Over: BR ROCK RIVER

2.2M W STH 49, Fond du Lac, WI

Built 2009 Load: 35.0 t ADT: 382

LRD OAK CENTER RD

Good

Over: W BR ROCK RIVER

1.3M E JCT USH 151, Fond du Lac, WI

Built 2013 Load: 35.0 t ADT: 333

LRD HICKORY ROAD

Good

Over: EAST BRANCH FOND DU LAC

1.1 MILES FROM USH151, Fond du Lac, WI

Built 2022 Load: 35.0 t ADT: 1,500

LRD SPRING VALLEY

Good

Over: BIG GREEN RIVER

1.6M E JCT CTH K, Grant, WI

Built 2010 Load: 35.0 t ADT: 121

STH 80

Good

Over: MOUNDS BRANCH

3.4M N JCT STH 81 TO W, Grant, WI

Built 2012 Load: 35.0 t ADT: 3,000

CTH I

Good

Over: GRAND RIVER

0.2M S JCT STH 44, Green Lake, WI

Built 2017 Load: 35.0 t ADT: 110

STH 39

Good

Over: BLUE MOUNDS BRANCH

2.0 MI. E OF CTH F, Iowa, WI

Built 2013 Load: 35.0 t ADT: 800

CTH C

Good

Over: SNEED CREEK

4.2M E JCT STH 130, Iowa, WI

Built 2012 Load: 35.0 t ADT: 435

LRD 286TH AVE

Good

Over: CAMP LAKE CANAL

0.2 M SOUTH OF CTH W, Kenosha, WI

Built 2010 Load: 35.0 t ADT: 635

LRD WOOD RD

Good

Over: AMES BRANCH

3.1M S JCT STH 81, Lafayette, WI

Built 2011 Load: 35.0 t ADT: 102

CTH U

Good

Over: SOUTH FORK AMES BRANCH

2.9M N JCT STH 11, Lafayette, WI

Built 2018 Load: 35.0 t ADT: 260

STH 47

Good

Over: RED RIVER

0.5M E JCT CTH S, Langlade, WI

Built 2015 Load: 35.0 t ADT: 1,200

STH 64

Good

Over: ELTON CREEK

0.1 MI E OF S ELTON ROAD, Langlade, WI

Built 2022 Load: 35.0 t ADT: 2,600

CTH H

Good

Over: LITTLE PINE CREEK

1.6M S JCT CTH S, Lincoln, WI

Built 2009 Load: 35.0 t ADT: 117

LRD 17TH STREET

Good

Over: E TWIN RIVER

0.2M E JCT STH 42, Manitowoc, WI

Built 2013 Load: 35.0 t ADT: 2,000

CTH M

Good

Over: LINNEHAN VALLEY CREEK

2.3M S JCT STH 16, Monroe, WI

Built 2010 Load: 35.0 t ADT: 700

STH 54

Good

Over: UNNAMED CREEK

1.43 MI E OF STH 47, Outagamie, WI

Built 2023 Load: 35.0 t ADT: 5,000

LRD HOODS CREEK RD

Good

Over: HOODS CREEK

0.3M E JCT STH 38, Racine, WI

Built 2020 Load: 35.0 t ADT: 115

CTH D

Good

Over: DEER TAIL CREEK

2.4M W JCT STH 27-2, Rusk, WI

Built 2020 Load: 35.0 t ADT: 640

CTH B

Good

Over: MAIN CREEK

0.9M S JCT CTH P-11, Rusk, WI

Built 2023 Load: 35.0 t ADT: 550

STH 154

Good

Over: NARROWS CREEK

5.4M E JCT STH 130, Sauk, WI

Built 2008 Load: 35.0 t ADT: 1,600

LRD HARVEST LANE

Good

Over: THIRTY THREE CREEK

1.5M N JCT STH 48, Sawyer, WI

Built 2018 Load: 35.0 t ADT: 100

IH 94 EB OFF RAMP

Good

Over: CARR CREEK

0.2 MI W JCT CTH B, St. Croix, WI

Built 2023 Load: 35.0 t ADT: 1,500

IH 94 WB ON RAMP

Good

Over: CARR CREEK

0.2 MI W JCT CTH B, St. Croix, WI

Built 2022 Load: 35.0 t ADT: 1,583

LRD 130TH AVE

Good

Over: BRANCH DRY RUN CREEK

1.9 MILES EAST OF STH 63, St. Croix, WI

Built 2021 Load: 35.0 t ADT: 180

LRD RIVER VALLEY D

Good

Over: BR TREMPEALEAU R

TOWN OF ARCADIA, Trempealeau, WI

Built 2010 Load: 35.0 t ADT: 270

LRD SONSALLA RD

Good

Over: TAMARACK CREEK

0.5M S JCT STH 35, Trempealeau, WI

Built 2022 Load: 35.0 t ADT: 100

CTH S

Good

Over: SCOTT HOLLOW CREEK

1.8M N JCT STH 56, Vernon, WI

Built 2018 Load: 35.0 t ADT: 240

CTH T

Good

Over: SPRING VALLEY CREEK

0.5M N JCT USH 14, Vernon, WI

Built 2017 Load: 35.0 t ADT: 190

CTH D

Good

Over: OTTER CREEK

1.5M N JCT STH 82, Vernon, WI

Built 2019 Load: 35.0 t ADT: 340

USH 51 NB

Good

Over: TROUT R

1.9M N CTH N, Vilas, WI

Built 2022 Load: 35.0 t ADT: 3,900

CTH X (GENESEE RD)

Good

Over: PEBBLE CREEK

0.2M N JCT STH 59, Waukesha, WI

Built 2019 Load: 35.0 t ADT: 8,550

CTH X (GENESEE RD)

Good

Over: PEBBLE CREEK

0.2M N JCT STH 59, Waukesha, WI

Built 2019 Load: 35.0 t ADT: 6,700

STH 22-MAIN ST

Good

Over: PIGEON RIVER

0.2M N JCT USH 45 TO N, Waupaca, WI

Built 2015 Load: 35.0 t ADT: 8,600

CTH B

Good

Over: S BR LITTLE WOLF RIVER

0.1M E JCT CTH G, Waupaca, WI

Built 2022 Load: 35.0 t ADT: 1,350

CTH ICTH I

Good

Over: ALDER CR

0.41 MILES N OF APACHE DR, Waushara, WI

Built 2010 Load: 35.0 t ADT: 250

STH 73-STH 80

Good

Over: YELLOW RIVER

0.9M N JCT STH 80 (C), Wood, WI

Built 2013 Load: 35.0 t ADT: 2,800

STH 80

Good

Over: BR YELLOW RIVER

2.6M N JCT CTH F TO E, Wood, WI

Built 2021 Load: 35.0 t ADT: 1,200

CTH G

Good

Over: NO NAME CREEK

1.3MI N OF CTH, Adams, WI

Built 2013 Load: 35.3 t ADT: 650

LRD 28TH ST

Good

Over: BR ROCK CREEK

1.9M N OF 16TH AVENUE, Barron, WI

Built 2020 Load: 35.3 t ADT: 22

IRR BIA RTE 1046

Good

Over: RASPBERRY RIVER

ROWLEY ROAD, Bayfield, WI

Built 2016 Load: 35.3 t ADT: 120

LRD MAIN ST

Good

Over: IRON RIVER

0.5M N JCT USH 2, Bayfield, WI

Built 2020 Load: 35.3 t ADT: 51

LRD FAIR RD

Good

Over: BR EAST RIVER

0.9M W JCT STH 57, Brown, WI

Built 2016 Load: 35.3 t ADT: 1,200

CTH HH

Good

Over: ROSSMAN CREEK

0.7M W JCT CTH Y, Buffalo, WI

Built 2009 Load: 35.3 t ADT: 175

STH 35

Good

Over: MISSISSIPPI RIVER TRIB

2.5M N JCT STH 54 TO W, Buffalo, WI

Built 2019 Load: 35.3 t ADT: 5,400

USH 10

Good

Over: HOLMES CREEK

1.1 M W JCT CTH A, Buffalo, WI

Built 2022 Load: 35.3 t ADT: 1,800

LRD YELLOW LAKE RO

Good

Over: YELLOW RIVER

0.6 MILES N OF JUNCTION W, Burnett, WI

Built 2022 Load: 35.3 t ADT: 350

CTH OO

Good

Over: HALLIE MARSH OUTLET

0.8 M E CTH P, Chippewa, WI

Built 2009 Load: 35.3 t ADT: 1,125

Showing 10,201-10,250 of 14,851 bridges

Related

All states → | National rankings → | Understanding conditions → | SD bridges explained →
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.