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

UNION PACIFIC RR

Unknown

Over: LRD FOREST ST

1.1M N JCT USH BUS 12, Eau Claire, WI

Built 1911 ADT: 2,140

UNION PACIFIC RR

Unknown

Over: LRD FOREST ST

0.4M N JCT USH BUS 12, Eau Claire, WI

Built 1918 ADT: 2,140

UNION PACIFIC RR

Unknown

Over: LRD FOREST ST

0.6M N JCT USH BUS 12, Eau Claire, WI

Built 1918 ADT: 2,140

LRD STATE ST

Unknown

Over: LRD PUTNAM DR

2.0M W JCT USH B12, Eau Claire, WI

Built 1931 ADT: 50

USH 41 NB

Unknown

Over: CTH F

0.5M E JCT STH 175, Fond du Lac, WI

Built 1953 ADT: 430

IH 41 SB

Unknown

Over: CTH F

0.5M E JCT STH 175, Fond du Lac, WI

Built 1957 ADT: 430

STH 23

Unknown

Over: LRD BROOKE STREET

CITY OF FOND DU LAC, Fond du Lac, WI

Built 2001 ADT: 99

CTH OOO (W. SCOTT

Unknown

Over: IH 41

0.7M N JCT STH 23 TO E, Fond du Lac, WI

Built 1973 ADT: 44,700

CTH OO (WINNEBAGO

Unknown

Over: IH 41

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

Built 1973 ADT: 43,100

LRD TOWN LINE RD

Unknown

Over: IH 41

3.6M N JCT STH 23 TO E, Fond du Lac, WI

Built 1973 ADT: 43,100

USH 151 NB ON-RAMP

Unknown

Over: USH 151

0.7M N JCT STH 49, Fond du Lac, WI

Built 2003 ADT: 16,800

LRD OAK CENTER ROA

Unknown

Over: USH 151

0.8M N JCT STH 49, Fond du Lac, WI

Built 2003 ADT: 16,800

CTH Y CAMPBELL R

Unknown

Over: IH 41

1.4M N JCT STH 49, Fond du Lac, WI

Built 1995 ADT: 31,000

CTH B

Unknown

Over: IH 41

2.4M N JCT CTH F, Fond du Lac, WI

Built 1996 ADT: 38,700

LRD LOST ARROW RD

Unknown

Over: IH 41

1.6M N JCT CTH B, Fond du Lac, WI

Built 1996 ADT: 38,700

LRD SOUTH MAIN STR

Unknown

Over: IH 41

3.7M N JCT CTH B, Fond du Lac, WI

Built 2005 ADT: 42,000

CN RAILROAD

Unknown

Over: IH 41

AT INTERSECTION, Fond du Lac, WI

Built 2009 ADT: 37,500

LRD HICKORY ST.

Unknown

Over: IH 41

0.9M N JCT STH 175 TO N, Fond du Lac, WI

Built 2009 ADT: 42,000

CTH D (MILITARY RD

Unknown

Over: IH 41

151, Fond du Lac, WI

Built 2005 ADT: 42,900

USH 41 NB

Unknown

Over: CTH N

TOWN OF ELDORADO, Fond du Lac, WI

Built 1999 ADT: 740

IH 41 SB

Unknown

Over: CTH N

TOWN OF ELDORADO, Fond du Lac, WI

Built 1999 ADT: 740

LRD LINCOLN ROAD

Unknown

Over: IH 41 NB

1.2M N JCT CTH N, Fond du Lac, WI

Built 2001 ADT: 42,900

USH 151 NB

Unknown

Over: IH 41

XING OF USH 151 NB, Fond du Lac, WI

Built 2005 ADT: 37,500

USH 151 SB

Unknown

Over: IH 41

151, Fond du Lac, WI

Built 2004 ADT: 3,750

USH 151 NB

Unknown

Over: STH 26

AT USH 151, Fond du Lac, WI

Built 2003 ADT: 350

USH 151 SB

Unknown

Over: STH 26

151, Fond du Lac, WI

Built 2003 ADT: 350

STH USH 151 NB OFF

Unknown

Over: STH 26

26, Fond du Lac, WI

Built 2003 ADT: 350

USH 151 NB

Unknown

Over: STH USH 151 NB TO STH 26

AT NB USH 151, Fond du Lac, WI

Built 2003 ADT: 4,700

USH 151 SB

Unknown

Over: STH USH 151 NB TO STH 26

151, Fond du Lac, WI

Built 2003 ADT: 4,700

USH 151 SB OFF RAM

Unknown

Over: STH USH 151 NB TO STH 26

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

Built 2003 ADT: 4,700

USH 45

Unknown

Over: USH 151

45, Fond du Lac, WI

Built 2004 ADT: 15,100

USH 151 NB

Unknown

Over: STH 23

AT USH 151, Fond du Lac, WI

Built 2003 ADT: 21,600

USH 151 SB

Unknown

Over: STH 23

AT USH 151, Fond du Lac, WI

Built 2003 ADT: 21,600

CTH Y

Unknown

Over: USH 151

0.7M N JCT CTH TC, Fond du Lac, WI

Built 2005 ADT: 13,500

CTH D NB

Unknown

Over: USH 151

CTH D, Fond du Lac, WI

Built 2006 ADT: 13,500

CTH D SB

Unknown

Over: USH 151

CTH D, Fond du Lac, WI

Built 2006 ADT: 13,500

USH 151 NB

Unknown

Over: LRD RIVER RD

AT INTERSECTION, Fond du Lac, WI

Built 2008 ADT: 550

USH 151 SB

Unknown

Over: LRD RIVER RD

AT INTERSECTION, Fond du Lac, WI

Built 2008 ADT: 550

LRD HICKORY ST

Unknown

Over: USH 151

AT INTERSECTION, Fond du Lac, WI

Built 2007 ADT: 10,900

CANADIAN NATIONAL

Unknown

Over: USH 151

AT INTERSECTION, Fond du Lac, WI

Built 2007 ADT: 10,900

WILD GOOSE TRAIL

Unknown

Over: IH 41

AT INTERSECTION, Fond du Lac, WI

Built 2009 ADT: 42,000

STH 23 EB

Unknown

Over: IH 41

AT INTERSECTION, Fond du Lac, WI

Built 2008 ADT: 44,700

STH 23 WB

Unknown

Over: IH 41

AT INTERSECTION, Fond du Lac, WI

Built 2008 ADT: 44,700

STH 23 WB

Unknown

Over: CTH K

AT STH 23 WB, Fond du Lac, WI

Built 2022 ADT: 4,900

STH 23 EB

Unknown

Over: CTH K

ROUGHLY .8 MILES EAST OF, Fond du Lac, WI

Built 2021 ADT: 4,900

CTH UU

Unknown

Over: STH 23

AT CTH UU, Fond du Lac, WI

Built 2022 ADT: 9,200

CANADIAN NATIONAL

Unknown

Over: CTH VV (PIONEER RD)

0.4M N JCT W SCOTT ST, Fond du Lac, WI

Built 2013 ADT: 15,000

CTH G

Unknown

Over: STH 23 EB

AT CTH G, Fond du Lac, WI

Built 2021 ADT: 6,600

CTH V

Unknown

Over: USH 151

0.5 MI E JCT MARTIN RD, Fond du Lac, WI

Built 2016 ADT: 18,700

CTH T

Unknown

Over: USH 151

0.5M N CTH V, Fond du Lac, WI

Built 2016 ADT: 16,800

Showing 801-850 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.