State profile · Near median Poor share

Wisconsin bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Wisconsin, based on the FHWA National Bridge Inventory.

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

Data updated May 2026

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 whose lowest applicable component is rated 0-4

-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 - Poor-condition share 20.4%
National avg

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

Condition Distribution

Wisconsin51.3%41.1%GoodFairPoor
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 by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Wisconsin on the same metric.

MS

Mississippi

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

SC

South Carolina

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

WI

Wisconsin

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

NC

North Carolina

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

HI

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 the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

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

Poor

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

Poor

Over: EVERGREEN CREEK

0.1M N JCT STH 64, Langlade, WI

Built 1916 Load: 3.2 t ADT: 6

LRD CORNELL LANE (

Poor

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 V

Good

Over: BEARGRASS CREEK

1.1M S TH O, Eau Claire, WI

Built 2014 Load: 41.1 t ADT: 100

CTH T

Good

Over: BR WEST BR FOND DU LAC R

2.0M E JCT CTH Y, Fond du Lac, WI

Built 2011 Load: 41.1 t ADT: 420

LRD COUNTY LINE RD

Good

Over: PIGEON RIVER

0.6M E JCT STH 42, Manitowoc, WI

Built 2010 Load: 41.1 t ADT: 220

LRD HILLCREST RD

Good

Over: BRANCH RIVER

1 MILE EAST OF CTH "J", Manitowoc, WI

Built 2018 Load: 41.1 t ADT: 590

LRD KINNICKINNIC R

Good

Over: KINNICKINNIC RIVER

0.2M W JCT STH 241(27TH S, Milwaukee, WI

Built 2011 Load: 41.1 t ADT: 4,200

IH 41 NB/USH 45 NB

Good

Over: HANK AARON STATE TRAIL

0.1 MI S JCT IH 94, Milwaukee, WI

Built 2016 Load: 41.1 t ADT: 45,900

IH 41 NB/IH 94 WB

Good

Over: OAK CREEK

AT OAK CREEK, Milwaukee, WI

Built 2019 Load: 41.1 t ADT: 51,000

IH 94 EB

Good

Over: HANK AARON STATE TRAIL

2.6 M E JCT CTH O/MOORLAN, Milwaukee, WI

Built 2016 Load: 41.1 t ADT: 67,000

CTH I

Good

Over: PINE RIVER

0.3 M E JCT STH 80, Richland, WI

Built 2016 Load: 41.1 t ADT: 340

LRD EMERALD GROVE

Good

Over: WSOR RAILROAD

1.3M S JCT USH 14, Rock, WI

Built 2021 Load: 41.1 t ADT: 102

CTH W

Good

Over: SEELEY CREEK

0.3M E JCT CTH I, Sauk, WI

Built 2023 Load: 41.1 t ADT: 1,130

CTH M (NORTH AVE)

Good

Over: UNDERWOOD CREEK

0.1 M W JCT LILLY ROAD, Waukesha, WI

Built 2021 Load: 41.1 t ADT: 4,550

IH 41 SB

Good

Over: LAKE BUTTE DES MORTS

1.6M S JCT STH 110 TO N, Winnebago, WI

Built 2012 Load: 41.1 t ADT: 39,050

LRD NEKIMI AVE

Good

Over: WEYHURST CREEK

0.3M W JCT CTH I, Winnebago, WI

Built 2019 Load: 41.1 t ADT: 170

LRD BROOKSIDE RD

Good

Over: SUAMICO RIVER

0.5M N JCT CTH U, Brown, WI

Built 2019 Load: 41.5 t ADT: 500

IH 43 NB OFF RAMP

Good

Over: LAND/MAINTENANCE RD

AT WISCONSIN CENTRAL LTD, Brown, WI

Built 2015 Load: 41.5 t ADT: 9,700

CTH J

Good

Over: ARNOLD CREEK

0.8M N JCT CTH K, Clark, WI

Built 2008 Load: 41.5 t ADT: 1,283

CTH B

Good

Over: CONWAY VALLEY CREEK

0.1M S JCT CTH C TO W, Crawford, WI

Built 2017 Load: 41.5 t ADT: 470

CTH F

Good

Over: E. BR BLUE MOUND CREEK

0.2M E JCT CTH FF, Dane, WI

Built 2021 Load: 41.5 t ADT: 325

STH 105-61ST ST

Good

Over: POKEGAMA RIVER

3.4M E JCT CTH W, Douglas, WI

Built 2020 Load: 41.5 t ADT: 3,300

USH 12

Good

Over: WILSON CREEK

4.6M E JCT STH 128, Dunn, WI

Built 2022 Load: 41.5 t ADT: 2,200

CTH VV

Good

Over: E BR FOND DU LAC RIVER

0.2M W JCT STH 175 (MAIN, Fond du Lac, WI

Built 2011 Load: 41.5 t ADT: 13,800

STH 80

Good

Over: LITTLE PLATTE RIVER

8.5M N JCT STH 81 TO W, Grant, WI

Built 2012 Load: 41.5 t ADT: 3,000

CTH H

Good

Over: DOUGLAS CREEK

0.1M W JCT CTH N TO N, Jackson, WI

Built 2018 Load: 41.5 t ADT: 195

CTH X

Good

Over: TROUT RUN CREEK

0.6M W JCT CTH H TO SOUTH, Jackson, WI

Built 2020 Load: 41.5 t ADT: 265

LRD ANDREWS ROAD

Good

Over: COFFEE CREEK

.2 MI NORTH US HWY 12, Jackson, WI

Built 2020 Load: 41.5 t ADT: 1,700

CTH K

Good

Over: CATTAIL VALLEY CREEK

0.52 MI N JCT CTH O, Juneau, WI

Built 2020 Load: 41.5 t ADT: 750

STH 78

Good

Over: CHERRY CREEK

1.7M N JCT CTH D, Lafayette, WI

Built 2017 Load: 41.5 t ADT: 380

LRD HOLLAND RD

Good

Over: BR WOOD BRANCH

1.5M N JCT STH 81, Lafayette, WI

Built 2018 Load: 41.5 t ADT: 170

LRD MINERAL SPRING

Good

Over: PIGEON RIVER

2.1M S JCT CTH XX, Manitowoc, WI

Built 2017 Load: 41.5 t ADT: 70

CTH A

Good

Over: TOMORROW RIVER

0.6M S JCT USH 10, Portage, WI

Built 2019 Load: 41.5 t ADT: 940

CTH D

Good

Over: FOX RIVER

.1M E JCT CTH W, Racine, WI

Built 2016 Load: 41.5 t ADT: 5,600

LRD 58TH RD

Good

Over: W BR ROOT RIVER CANAL

1.6M E JCT USH 45, Racine, WI

Built 2022 Load: 41.5 t ADT: 1,692

CTH I

Good

Over: GAULT HOLLOW CREEK

1.3M W JCT CTH H, Richland, WI

Built 2010 Load: 41.5 t ADT: 196

LRD SPIRAL RD

Good

Over: LITTLE WILLOW CREEK

0.1M W JCT CTH N, Richland, WI

Built 2019 Load: 41.5 t ADT: 45

LRD 4TH ST

Good

Over: LENIGAN CREEK

0.5M N JCT STH 81, Rock, WI

Built 2017 Load: 41.5 t ADT: 4,700

LRD MEADOWLARK RD

Good

Over: FISHERS CREEK

0.3M S JCT CTH FF, Sheboygan, WI

Built 2017 Load: 41.5 t ADT: 90

CTH WW

Good

Over: SEYMOUR CREEK

0.1M S JCT CTH W, Vernon, WI

Built 2019 Load: 41.5 t ADT: 200

CTH J

Good

Over: LITTLE WOLF RIVER

0.2M N JCT CTH C, Waupaca, WI

Built 2016 Load: 41.5 t ADT: 229

IH 41 NB

Good

Over: LAKE BUTTE DES MORTS

0.5M N JCT STH 21 TO E, Winnebago, WI

Built 2013 Load: 41.5 t ADT: 39,050

IH 41 NB

Good

Over: LAKE BUTTE DES MORTS

1.0M N JCT STH 21 TO E, Winnebago, WI

Built 2013 Load: 41.5 t ADT: 39,050

IH 41 SB

Good

Over: LAKE BUTTE DES MORTS

0.9M S JCT STH 110 TO N, Winnebago, WI

Built 2012 Load: 41.5 t ADT: 39,050

CTH ZZ, EILER ROA

Good

Over: EAST RIVER

0.1M W JCT STH 57, Brown, WI

Built 2018 Load: 41.8 t ADT: 2,150

CTH J

Good

Over: SUAMICO RIVER

0.2M S JCT CTH B, Brown, WI

Built 2020 Load: 41.8 t ADT: 1,900

LRD HILL ROAD

Good

Over: BR CUNNINGHAM CREEK

0.3M W JCT CTH W, Clark, WI

Built 2021 Load: 41.8 t ADT: 77

CTH C

Good

Over: CONWAY VALLEY CREEK

0.6M W JCT CTH B, Crawford, WI

Built 2018 Load: 41.8 t ADT: 260

USH 14

Good

Over: BREWERY CREEK

0.05M N JCT CTH P, Dane, WI

Built 2015 Load: 41.8 t ADT: 12,100

CTH H

Good

Over: EAST BRACH ROCK RIVER

1.2M N JCT STH 28/USH 41, Fond du Lac, WI

Built 2021 Load: 41.8 t ADT: 285

LRD E HORSESHOE RD

Good

Over: ROCK R

0.3 MI. N OF OLD CTH Y, Jefferson, WI

Built 2010 Load: 41.8 t ADT: 2,200

LRD HEADQUARTERS R

Good

Over: S BR YELLOW RIVER

1.2M N JCT STH 21, Juneau, WI

Built 2009 Load: 41.8 t ADT: 247

Showing 12,851-12,900 of 14,851 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

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.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.