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 D

Unknown

Over: STH 11

1.1M W OF JCT USH 51, Rock, WI

Built 2001 ADT: 99

STH EB STH 11

Unknown

Over: LRD SOUTH RIVER ROAD

0.3M N OF JCT AVALON RD, Rock, WI

Built 2002 ADT: 99

STH WB STH 11

Unknown

Over: LRD SOUTH RIVER ROAD

0.3M N OF JCT AVALON RD, Rock, WI

Built 2002 ADT: 1,500

STH EB STH 11

Unknown

Over: LRD SOUTH OAKHILL AVE

0.1M N JCT W KNILANS RD, Rock, WI

Built 2002 ADT: 1,000

STH WB STH 11

Unknown

Over: LRD SOUTH OAKHILL AVENUE

0.1M N JCT W KNILANS RD, Rock, WI

Built 2002 ADT: 99

IH 39 SB / IH 90 E

Unknown

Over: LRD MILWAUKEE STREET

AT IH 90, Rock, WI

Built 2003 ADT: 8,600

IH 39 NB/ IH 90 WB

Unknown

Over: LRD MILWAUKEE STREET

AT IH 90, Rock, WI

Built 2004 ADT: 8,600

IH 39 SB

Unknown

Over: LRD COLLEY ROAD

AT IH 90, Rock, WI

Built 2003 ADT: 205

IH 39 NB/90 WB

Unknown

Over: LRD COLLEY RD

AT IH90, Rock, WI

Built 2004 ADT: 205

STH 11 WB

Unknown

Over: LRD S READ RD

AT STH11, Rock, WI

Built 2004 ADT: 150

LRD CRANSTON RD

Unknown

Over: IH 90

0.7M E JCT IH 43, Rock, WI

Built 2003 ADT: 51,200

UNION PACIFIC RAIL

Unknown

Over: LRD JACKSON STREET

AT UP RAILROAD, Rock, WI

Built 2004 ADT: 99

IH 39 SB / IH 90 E

Unknown

Over: CTH O

AT IH 90, Rock, WI

Built 2003 ADT: 5,900

IH 39 NB/90 WB

Unknown

Over: CTH O/ EAST DELAVAN ROAD

90, Rock, WI

Built 2004 ADT: 5,800

LRD HARMONY TOWN H

Unknown

Over: STH 26

AT HARMONY TOWN HALL RD, Rock, WI

Built 2012 ADT: 17,500

LRD TOWNLINE ROAD

Unknown

Over: STH 26

AT TOWNLINE ROAD, Rock, WI

Built 2012 ADT: 17,000

LRD HENKE RD

Unknown

Over: STH 26 NB

AT HENKE RD, Rock, WI

Built 2013 ADT: 8,450

STH 26 NB

Unknown

Over: STH 59

4.3 MI. N OF CTH Y, Rock, WI

Built 2013 ADT: 4,700

STH 26 SB

Unknown

Over: STH 59

AT STH 26, Rock, WI

Built 2013 ADT: 4,700

STH 26 NB

Unknown

Over: LRD E HIGH ST

0.4M E OF CTH M, Rock, WI

Built 2013 ADT: 750

STH 26 SB

Unknown

Over: LRD E HIGH ST

0.4M E OF CTH M, Rock, WI

Built 2013 ADT: 750

STH 26 NB

Unknown

Over: LRD STORRS LAKE ROAD

AT STH 26, Rock, WI

Built 2013 ADT: 100

STH 26 SB

Unknown

Over: LRD STORRS LAKE RD

AT STH 26, Rock, WI

Built 2013 ADT: 100

STH 26 NB

Unknown

Over: LRD BOWERS LAKE RD

AT STH 26, Rock, WI

Built 2013 ADT: 1,500

STH 26 SB

Unknown

Over: LRD BOWERS LAKE RD

0.5M E OF N JANESVILLE ST, Rock, WI

Built 2013 ADT: 1,500

CTH N

Unknown

Over: STH 26

AT CTH N, Rock, WI

Built 2012 ADT: 13,900

BIKE PATH

Unknown

Over: STH 26

AT BIKE PATH, Rock, WI

Built 2012 ADT: 30,500

LRD WRIGHT RD

Unknown

Over: STH 26

AT WRIGHT RD, Rock, WI

Built 2013 ADT: 18,000

IH 43 SB / STH 81

Unknown

Over: IH 39 / IH 90

2.5M E JCT CTH S TO E, Rock, WI

Built 2021 ADT: 48,400

IH 43 NB / STH 81

Unknown

Over: IH 39 / IH 90

2.5M E JCT CTH S TO E, Rock, WI

Built 2021 ADT: 48,400

IH 43 SB

Unknown

Over: IH 39 / IH 90 / STH 81

IH 43 / IH 39 / IH 90 INT, Rock, WI

Built 2021 ADT: 55,500

IH 39 SB TO IH 43

Unknown

Over: IH 39 NB & SB / IH 90 WB

IH 43 / IH 39 / IH 90 INT, Rock, WI

Built 2021 ADT: 59,100

IH 39 NB / IH 90 W

Unknown

Over: STH 81

IH-39/90 & IH 43 INTERCHA, Rock, WI

Built 2021 ADT: 5,050

IH 43 NB

Unknown

Over: IH 90

IH 43 / IH 39 / IH 90 INT, Rock, WI

Built 2021 ADT: 2,700

LRD HART RD

Unknown

Over: IH 39/90

1.4 M N JCT IH-43, Rock, WI

Built 2016 ADT: 52,600

CTH S (SHOPIERE RD

Unknown

Over: IH 39

2.4 M NORTH IH43, Rock, WI

Built 2015 ADT: 52,100

LRD CREEK ROAD

Unknown

Over: IH 39 / IH 90

0.6 MI N OF JCT WITH CTH, Rock, WI

Built 2016 ADT: 57,700

IH 39 SB / IH 90 E

Unknown

Over: LRD TOWN LINE RD

1.5M E JCT CTH G, Rock, WI

Built 2019 ADT: 2,000

IH 39 NB / IH 90 W

Unknown

Over: LRD TOWN LINE RD

1.5M E JCT CTH G, Rock, WI

Built 2018 ADT: 1,208

LRD WOODMAN RD EB

Unknown

Over: IH 39 / IH 90

LOCATION UNKNOWN, PLEASE, Rock, WI

Built 2017 ADT: 57,700

STH 11 EB (AVALON

Unknown

Over: IH 39 / IH 90

7.4 MI N JCT IH 43, Rock, WI

Built 2016 ADT: 57,700

STH 11 WB (AVALON

Unknown

Over: IH 39 / IH 90

7.4 M N JCT IH 43, Rock, WI

Built 2016 ADT: 57,700

LRD STATELINE RD E

Unknown

Over: IH 39/90

LOCATION UNKNOWN, PLEASE, Rock, WI

Built 2017 ADT: 55,500

STH 11 / E. RACINE

Unknown

Over: IH 39 SB

3.1 MI. S OF USH 14, Rock, WI

Built 2013 ADT: 59,200

IH 39 SB / IH 90 E

Unknown

Over: LRD PALMER DRIVE

0.5M E JCT STH 11, Rock, WI

Built 2019 ADT: 2,500

IH 39 NB / IH 90 W

Unknown

Over: LRD PALMER PARK DR

0.5M E JCT STH 11, Rock, WI

Built 2018 ADT: 2,500

IH 39 SB / IH 90 E

Unknown

Over: LRD RUGER AVE

1.6M W JCT USH 14, Rock, WI

Built 2019 ADT: 4,300

IH 39 NB / IH 90 W

Unknown

Over: LRD RUGER AVE

1.6M W JCT USH 14, Rock, WI

Built 2018 ADT: 6,200

IH 39 SB / IH 90 E

Unknown

Over: LRD MT ZION AVE

1.3M N JCT STH 26, Rock, WI

Built 2019 ADT: 7,000

IH 39 NB / IH 90 W

Unknown

Over: LRD MT ZION AVE

1.3M N JCT STH 26, Rock, WI

Built 2018 ADT: 7,400

Showing 2,201-2,250 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.