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 S 16TH ST

Unknown

Over: LRD BRUCE STREET

1.1M W JCT STH 32, Milwaukee, WI

Built 1929 ADT: 1,900

LRD N 16TH ST

Unknown

Over: IH 94 E-W FREEWAY

X 2.1M E JCT USH 41 TO S, Milwaukee, WI

Built 1929 ADT: 160,000

CMSTPP RR

Unknown

Over: LRD DREXEL AVE

0.8M E JCT IH 94, Milwaukee, WI

Built 1987 ADT: 21,800

CTH S 76TH ST(NB)

Unknown

Over: STH 36-LOOMIS RD

2.5M N JCT STH 100, Milwaukee, WI

Built 1993 ADT: 13,300

CTH U S 76TH ST(S.

Unknown

Over: STH 36-LOOMIS RD

2.5M N JCT STH 100, Milwaukee, WI

Built 1993 ADT: 13,300

IH 43 NB-N-S FREEW

Unknown

Over: LRD BENDER RD

1.0M E JCT STH 57, Milwaukee, WI

Built 1992 ADT: 7,700

IH 43 SB-N-S FREEW

Unknown

Over: LRD BENDER RD

1.0M E JCT STH 57, Milwaukee, WI

Built 1992 ADT: 7,700

IH 43 NB-N-S FREEW

Unknown

Over: LRD LEXINGTON BLVD

AT JCT IH 43, Milwaukee, WI

Built 1992 ADT: 350

IH 43 SB-N-S FREEW

Unknown

Over: LRD LEXINGTON BLVD

AT JCT IH 43, Milwaukee, WI

Built 1991 ADT: 350

IH 43 NB N-S FREEW

Unknown

Over: LRD W SILVER SPRING DR

0.8M W JCT STH 57, Milwaukee, WI

Built 1992 ADT: 32,600

IH 43 SB N-S FREEW

Unknown

Over: LRD W SILVER SPRING DR

0.8M W JCT STH 57, Milwaukee, WI

Built 1992 ADT: 32,600

IH RAMP PT WASH TO

Unknown

Over: LRD W SILVER SPRING DR

0.8M W JCT STH 57, Milwaukee, WI

Built 1992 ADT: 32,600

IH RAMP I43 NB-SIL

Unknown

Over: LRD W SILVER SPRING DR

0.8M W JCT STH 57, Milwaukee, WI

Built 1992 ADT: 32,600

IH RAMP I 43 NB-SI

Unknown

Over: IH RAMP TO IH 43 NB

2.1M N JCT STH 190 TO E, Milwaukee, WI

Built 1992 ADT: 5,800

STH 24-FOREST HOME

Unknown

Over: LRD W PABST AVE

0.3M W JCT USH 41, Milwaukee, WI

Built 1996 ADT: 6,821

STH 24-FOREST HOME

Unknown

Over: LRD W PABST AVE

0.3M W JCT USH 41, Milwaukee, WI

Built 1996 ADT: 6,821

IH RAMP, IH 43 NB

Unknown

Over: LRD LEXINGTON BLVD

AT JCT IH 43, Milwaukee, WI

Built 1992 ADT: 500

USH 18-W WISCONSIN

Unknown

Over: LRD N 44TH ST

0.2M E JCT USH 41, Milwaukee, WI

Built 1993 ADT: 2,250

LRD E ST FRANCIS A

Unknown

Over: STH 794

1.4M N JCT LAYTON AVE., Milwaukee, WI

Built 1998 ADT: 32,200

LRD EAST HOWARD AV

Unknown

Over: STH 794

1.0M N JCT LAYTON AVE., Milwaukee, WI

Built 1996 ADT: 32,200

LRD EAST BOLIVAR A

Unknown

Over: STH 794

0.5M N LAYTON AVE., Milwaukee, WI

Built 1995 ADT: 26,500

STH 794

Unknown

Over: LRD E OKLAHOMA AVE

0.2M W JCT STH 32, Milwaukee, WI

Built 1996 ADT: 11,300

CNW RR

Unknown

Over: LRD E OKLAHOMA AVE

0.2M W JCT STH 32, Milwaukee, WI

Built 1994 ADT: 14,900

STH 794

Unknown

Over: STH 32 (KK AVE)

8.5M N JCT STH 100, Milwaukee, WI

Built 1996 ADT: 6,500

CNW RR

Unknown

Over: STH 32-STH 62

8.5M N JCT STH 100, Milwaukee, WI

Built 1994 ADT: 10,800

STH 794

Unknown

Over: LRD E PRYOR AVE

0.2M N JCT STH 32, Milwaukee, WI

Built 1996 ADT: 2,000

CNW RR

Unknown

Over: LRD E PRYOR AVE

0.2M N JCT STH 32, Milwaukee, WI

Built 1994 ADT: 2,000

STH 794

Unknown

Over: LRD E RUSSELL AVE

0.2M E JCT STH 32, Milwaukee, WI

Built 1996 ADT: 3,100

CNW RR

Unknown

Over: LRD E RUSSELL AVE

0.2M E JCT STH 32, Milwaukee, WI

Built 1994 ADT: 3,500

STH RAMP, STH 794

Unknown

Over: LRD S CARFERRY DR

MILWAUKEE, Milwaukee, WI

Built 1998 ADT: 8,000

STH 794 NB

Unknown

Over: LRD CARFERRY DRIVE

AT STH 794, Milwaukee, WI

Built 1998 ADT: 8,000

STH 794 SB

Unknown

Over: LRD CARFERRY DRIVE

AT STH 784, Milwaukee, WI

Built 1998 ADT: 8,000

ELIZABETH AVE PED

Unknown

Over: STH 794

1.2M N JCT LAYTON AVE., Milwaukee, WI

Built 1995 ADT: 32,200

LRD PUETZ RD

Unknown

Over: IH 41/94

X5.4M E JCT IH 894 (B), Milwaukee, WI

Built 1994 ADT: 124,000

CTH BB/W RAWSON AV

Unknown

Over: STH 36/LOOMIS RD

2.3M N JCT STH100, Milwaukee, WI

Built 1999 ADT: 14,900

STH 175 NB

Unknown

Over: LRD SELIG DR/PEDESTRIAN

CITY OF MILWAUKEE, Milwaukee, WI

Built 1998

STH 175 SB

Unknown

Over: LRD SELIG DR/PEDESTRIAN

CITY OF MILWAUKEE, Milwaukee, WI

Built 1998

LRD FREDERICK MILL

Unknown

Over: STH 175

0.4M N JCT STH 59 TO W, Milwaukee, WI

Built 1998 ADT: 49,300

STADIUM PED BRIDGE

Unknown

Over: STH 175

0.4M N JCT STH 59 TO W, Milwaukee, WI

Built 1998 ADT: 56,400

HANK AARON STATE T

Unknown

Over: STH 175 NB & SB

0.3M N JCT STH 59 TO W, Milwaukee, WI

Built 1998 ADT: 56,400

OFF RAMP - AIRPORT

Unknown

Over: HOWELL TERMINAL ROAD

AT RAMP, Milwaukee, WI

Built 2001 ADT: 500

LRD WISCONSIN AVE

Unknown

Over: IH43

0.25M N MARQUETTE INER., Milwaukee, WI

Built 2006 ADT: 147,000

LRD 11TH STREET

Unknown

Over: IH RAMP IH43 SB-IH94WB

0.25M N MARQUETTE INTER., Milwaukee, WI

Built 2006 ADT: 33,400

LRD WELLS ST

Unknown

Over: IH 43

0.4M N JCT IH 94 TO W, Milwaukee, WI

Built 2005 ADT: 147,000

USH 18 WB (STATE S

Unknown

Over: IH 43

AT STATE ST, Milwaukee, WI

Built 2005 ADT: 147,000

USH 18 - HIGHLAND

Unknown

Over: IH 43

ATHIGHLAND AVENUE, Milwaukee, WI

Built 2006 ADT: 147,000

IH I43 SB TO HIGHL

Unknown

Over: STH 145 TO I43 SB ENTRAN

I43 SB, Milwaukee, WI

Built 2006 ADT: 15,900

IH RAMP HIGHLAND A

Unknown

Over: IH RAMP IH 43 NB - STH 1

I 43 NB, Milwaukee, WI

Built 2006 ADT: 9,900

LRD WINNEBAGO ST

Unknown

Over: IH 43

AT WINNEBAGO ST, Milwaukee, WI

Built 2006 ADT: 155,100

IH 43 NB

Unknown

Over: STH 145

AT 43, Milwaukee, WI

Built 2006 ADT: 20,700

Showing 1,601-1,650 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.