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

LRD 50TH AVE

Unknown

Over: STH 29

TOWN OF HALLIE, Chippewa, WI

Built 2002 ADT: 19,700

LRD SEYMOUR CRAY S

Unknown

Over: STH 29

TOWN OF HALLIE, Chippewa, WI

Built 2000 ADT: 20,000

LRD SB SEYMOUR CRA

Unknown

Over: STH 29

1.0M E JCT STH 124 TO S, Chippewa, WI

Built 2000 ADT: 22,500

LRD NB SEYMOUR CRA

Unknown

Over: STH 29

1.1M E JCT STH 124 TO S, Chippewa, WI

Built 2000 ADT: 21,500

CTH OO

Unknown

Over: USH 53

TOWN OF HALLIE, Chippewa, WI

Built 2002 ADT: 32,600

CTH "F"

Unknown

Over: STH 29"EB"

1.3M E XING OF CTH T, Chippewa, WI

Built 2000 ADT: 15,200

LRD 90TH STREET

Unknown

Over: STH 29

3.0M E XING CTH T, Chippewa, WI

Built 2001 ADT: 15,200

STH 29 WB

Unknown

Over: LRD 103RD STREET

AT STH 29, Chippewa, WI

Built 2004 ADT: 300

STH 29 EB

Unknown

Over: LRD 103RD STREET

AT STH 29, Chippewa, WI

Built 2005 ADT: 150

STH 29 - OFF RAMP

Unknown

Over: STH 124

AT STH 29, Chippewa, WI

Built 2004 ADT: 13,600

USH 53 S

Unknown

Over: STH 124

USH 53, Chippewa, WI

Built 2002 ADT: 15,100

USH 53 N

Unknown

Over: STH 124

USH 53, Chippewa, WI

Built 2002 ADT: 13,600

LRD MELBY STREET

Unknown

Over: USH 53

MELBE ST, Chippewa, WI

Built 2003 ADT: 34,500

WI CENTRAL RR

Unknown

Over: CTH X-RIVER RD

1.2M E JCT USH 53 TO N, Chippewa, WI

Built 1952 ADT: 10,710

OLD ABE TRAIL (DNR

Unknown

Over: STH 64-BRIDGE ST

1.2M E JCT STH 178, Chippewa, WI

Built 1927 ADT: 3,380

CNW RR

Unknown

Over: LRD HIGHLAND DR

0.2M W JCT STH 124, Chippewa, WI

Built 1929 ADT: 100

SOO LINE

Unknown

Over: LRD MAIN ST

0.3M S JCT STH 29, Chippewa, WI

Built 1917 ADT: 7,940

SOO LINE

Unknown

Over: LRD HEBERT ST

0.8M W JCT STH 124, Chippewa, WI

Built 1920 ADT: 100

SOO LINE

Unknown

Over: CTH T

0.3M S JCT CTH S, Chippewa, WI

Built 1930 ADT: 260

STH 29 E

Unknown

Over: CTH D

0.3M S JCT CTH X, Clark, WI

Built 1962 ADT: 450

STH 29 W

Unknown

Over: STH 73 N

0.6M S JCT CTH X, Clark, WI

Built 1994 ADT: 2,400

STH 29 EB

Unknown

Over: STH 73 NB

0.6M S JCT CTH X, Clark, WI

Built 1994 ADT: 2,400

LRD HILINE DRIVE

Unknown

Over: STH 29

4.7M E JCT CTH E, Clark, WI

Built 1999 ADT: 11,630

STH 29 WB

Unknown

Over: CTH D

0.3M S JCT CTH X, Clark, WI

Built 1997 ADT: 550

STH 73 SB

Unknown

Over: STH 29

3.0M E JCT CTH O, Clark, WI

Built 1994 ADT: 11,900

LRD CARDINAL AVE

Unknown

Over: STH 29

2.0M E JCT CTH DD, Clark, WI

Built 1995 ADT: 9,350

CTH E

Unknown

Over: STH 29

3.1M E OF JCT CTHP, Clark, WI

Built 2001 ADT: 12,100

CNW RR

Unknown

Over: CTH B

0.3M W JCT USH 12, Clark, WI

Built 1910 ADT: 140

CMSTPP RR

Unknown

Over: STH 13/16/23-BROADWAY ST

0.4M N JCT USH 12, Columbia, WI

Built 1956 ADT: 21,200

STH 13

Unknown

Over: LRD WAUBEEK RD

2.2M W JCT STH 23, Columbia, WI

Built 1956 ADT: 2,700

STH 16

Unknown

Over: LRD PRIVATE RD

0.1M S JCT STH 13, Columbia, WI

Built 1956 ADT: 99

LRD RICHARDS RD

Unknown

Over: IH 39/90/94

2.7M E JCT CTH CS TO W, Columbia, WI

Built 1961 ADT: 58,700

IH 39 SB-90 EB-IH

Unknown

Over: STH 60

4.2M E JCT STH 113, Columbia, WI

Built 1961 ADT: 5,700

CTH K

Unknown

Over: IH 90-IH 94

1.5M E JCT STH 60 TO E, Columbia, WI

Built 1961 ADT: 58,000

LRD PATTON RD

Unknown

Over: IH 90-IH 94

3.1M E JCT STH 60 TO E, Columbia, WI

Built 1961 ADT: 58,000

IH 90 EB-IH 94 EB

Unknown

Over: LRD SMOKEY HOLLOW RD

3.2M N JCT STH 60, Columbia, WI

Built 1961 ADT: 610

LRD SMOKEY HOLLOW

Unknown

Over: IH 90 WB-IH 94 WB

2.9M W JCT STH 60 TO E, Columbia, WI

Built 1984 ADT: 29,350

STH 33

Unknown

Over: IH 90-IH 94

13.9M E JCT USH 12 TO E, Columbia, WI

Built 1961 ADT: 40,100

LRD CASCADE MOUNTA

Unknown

Over: IH 90-IH 94

0.4M E JCT STH 33 TO E, Columbia, WI

Built 1961 ADT: 43,400

CTH U

Unknown

Over: IH 39/90/94

3.3M NORTH JCT CTH CS TO, Columbia, WI

Built 1963 ADT: 56,800

CTH V

Unknown

Over: IH 39-IH 90-IH 94

3.6M E JCT STH 78 TO N, Columbia, WI

Built 1961 ADT: 56,800

LRD KENT RD

Unknown

Over: IH 39-IH 90-IH 94

5.9M E JCT STH 78 TO N, Columbia, WI

Built 1961 ADT: 56,800

LRD CASCADE MOUNTA

Unknown

Over: IH 39

0.9M N JCT IH 90 TO E, Columbia, WI

Built 1963 ADT: 20,000

STH 33

Unknown

Over: IH 39

2.9M N JCT IH 90 TO E, Columbia, WI

Built 1962 ADT: 20,100

CTH O

Unknown

Over: IH 39

2.0M N JCT STH 33 TO E, Columbia, WI

Built 1964 ADT: 15,500

IH 39 NB

Unknown

Over: USH 51 SB

0.4M S JCT STH 78 TO S, Columbia, WI

Built 1990 ADT: 4,150

IH 39 SB

Unknown

Over: USH 51 SB

0.4M S JCT STH 78 TO S, Columbia, WI

Built 1991 ADT: 4,100

IH 39 NB

Unknown

Over: LRD LEVEE RD

0.8M W JCT STH 33, Columbia, WI

Built 1964 ADT: 180

IH 39 SB

Unknown

Over: LRD LEVEE RD

0.8M W JCT STH 33, Columbia, WI

Built 1964 ADT: 180

CTH X

Unknown

Over: IH USH 51-IH 39

0.5M N JCT STH 78 TO S, Columbia, WI

Built 1966 ADT: 15,800

Showing 301-350 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.