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

IH S-W RAMP, IH 43

Unknown

Over: IH 43 & IH 794

MARQUETTE INTERCHANGE, Milwaukee, WI

Built 2008 ADT: 100,000

IH S-W RAMP, IH 43

Unknown

Over: IH E-S RAMP, IH 794 WB -

AT IH94, Milwaukee, WI

Built 2008 ADT: 11,400

IH S-E RAMP, IH 43

Unknown

Over: LRD ST PAUL AVE

1.2M N OF IH-43-94/GREEN, Milwaukee, WI

Built 2006 ADT: 4,900

IH RAMP IH 43 NB -

Unknown

Over: IH 794

AT IH43, Milwaukee, WI

Built 2008 ADT: 91,200

IH 43 SB

Unknown

Over: IH N-E RAMP

AT IH43, Milwaukee, WI

Built 2008 ADT: 14,300

IH 43 SB

Unknown

Over: IH 794

AT IH43, Milwaukee, WI

Built 2008 ADT: 110,000

IH N-E RAMP, IH 43

Unknown

Over: IH 794

AT INTERSECTION, Milwaukee, WI

Built 2008 ADT: 100,000

IH N-E RAMP, IH 43

Unknown

Over: LRD W ST PAUL AVE

N TO E RAMP, Milwaukee, WI

Built 2008 ADT: 6,700

IH N-W RAMP, IH 43

Unknown

Over: LRD N 13TH ST & W TORY H

AT 43NB RAMP, Milwaukee, WI

Built 2006 ADT: 11,600

IH RAMP WISC AV-IH

Unknown

Over: IH 794

MARQUETTE INTERCHANGE, Milwaukee, WI

Built 2008 ADT: 100,000

IH RAMP WISC AVE -

Unknown

Over: IH RAMP IH 43 SB - IH 94

MARQUETTE INTERCHANGE, Milwaukee, WI

Built 2008 ADT: 11,400

IH 794 EB

Unknown

Over: LRD S 13TH ST

AT CP RR, Milwaukee, WI

Built 2006 ADT: 5,100

IH 794 EB

Unknown

Over: W-N RAMP IH 94 EB-IH 43

0.80 M E OFIH-94/16TH ST, Milwaukee, WI

Built 2006 ADT: 38,100

IH-794 EB

Unknown

Over: LRD JAMES LOVELL ST

AT 794, Milwaukee, WI

Built 2006 ADT: 29,300

IH-794 EB

Unknown

Over: LRD 3RD ST

AT 794, Milwaukee, WI

Built 2006 ADT: 2,540

IH 794 EB

Unknown

Over: IH 2ND ST/RAMP TO IH 43

AT 2ND ST UNDER IH 794, Milwaukee, WI

Built 2006 ADT: 21,300

IH RAMP, IH 94 WB

Unknown

Over: LRD RAMP, IH 794 EB - ST

AT 794, Milwaukee, WI

Built 2006 ADT: 28,500

IH RAMP, IH 43 NB/

Unknown

Over: LRD 2ND ST

1.5M E OF IH-94/16TH ST, Milwaukee, WI

Built 2006 ADT: 4,400

IH W-S RAMP, IH 94

Unknown

Over: IH RAMP, IH 94 EB - IH 4

AT 43, Milwaukee, WI

Built 2006 ADT: 36,900

IH W-N RAMP IH94 E

Unknown

Over: LRD 13TH ST

1.0M S, Milwaukee, WI

Built 2006 ADT: 5,100

LRD TORY HILL-MICH

Unknown

Over: IH W-N RAMP,I 94 EB-I 43

AT TORY HILL, Milwaukee, WI

Built 2004 ADT: 38,100

IH 794 WB

Unknown

Over: LRD 13TH ST

MARQUETTE INETRCHANGE, Milwaukee, WI

Built 2008 ADT: 5,900

IH 794 WB

Unknown

Over: IH W-N RAMP 94EBTO43NB

MARQUETTE INETRCHANGE, Milwaukee, WI

Built 2008 ADT: 38,100

IH 794 WB

Unknown

Over: LRD 6TH ST

AT 794, Milwaukee, WI

Built 2008 ADT: 25,800

IH 794 WB

Unknown

Over: LRD 4TH ST

AT 794, Milwaukee, WI

Built 2008 ADT: 2,540

IH 794 WB

Unknown

Over: IH E-N ENTRANCE RAMP

AT 794, Milwaukee, WI

Built 2008 ADT: 7,100

IH 794 WB

Unknown

Over: LRD 6TH ST

AT INTERSECTION, Milwaukee, WI

Built 2008 ADT: 26,200

IH 794 WB

Unknown

Over: IH E-N ENTRANCE RAMP

1.7M W OF STH32, Milwaukee, WI

Built 2008 ADT: 11,500

IH RAMP IH 794 WB

Unknown

Over: LRD RAMP794E TO JAMES LO

1.7M W OF STH32, Milwaukee, WI

Built 2008 ADT: 3,700

IH RAMP E-N I794WB

Unknown

Over: LRD TORY HILL

AT 794, Milwaukee, WI

Built 2008 ADT: 7,200

IH E-N RAMP, IH 79

Unknown

Over: IH W TO N RAMP(94EB-43NB

AT INTERSECTION, Milwaukee, WI

Built 2008 ADT: 34,100

IH E - S RAMP (IH

Unknown

Over: IH W-S RAMP, IH 94 EB -

MARQUETTE INTERCHANGE, Milwaukee, WI

Built 2008 ADT: 11,400

IH E-S RAMP, IH 94

Unknown

Over: IH 794

MARQUETTE INETRCHANGE, Milwaukee, WI

Built 2008 ADT: 66,800

IH RAMP E-S,I794WB

Unknown

Over: CANADIAN PACIFIC RR & CA

AT RAMP E-S,I794WB-I94 EB, Milwaukee, WI

Built 2011 ADT: 4,000

C & NW TRANS CO

Unknown

Over: LRD GRANGE AVE

1.3M W JCT STH 62, Milwaukee, WI

Built 1939 ADT: 600

CNW RR

Unknown

Over: LRD MILL RD

0.4M E JCT STH 32, Milwaukee, WI

Built 1910 ADT: 6,300

PEDESTRIAN WALKWAY

Unknown

Over: LRD N LINCOLN MEMORIAL D

1.5M N JCT USH 18, Milwaukee, WI

Built 1955 ADT: 16,100

LRD RAMP STATE ST-

Unknown

Over: LRD W STATE ST

0.5M N JCT USH 18, Milwaukee, WI

Built 1959 ADT: 8,200

OAK LEAF TRAIL

Unknown

Over: LRD MILWAUKEE RIVER PARK

0.8M E JCT STH 57, Milwaukee, WI

Built 1950 ADT: 1,200

UNION PACIFIC RAIL

Unknown

Over: LRD OAK CREEK PARKWAY

0.2M W JCT STH 32, Milwaukee, WI

Built 1900 ADT: 1,500

OAK LEAF BIKE TRAI

Unknown

Over: LRD HUBBARD PARK DR

AT BIKE TRAIL, Milwaukee, WI

Built 1895 ADT: 50

PEDESTRIAN ACCESS

Unknown

Over: LRD RAVINE RD

0.2M E JCT STH 32, Milwaukee, WI

Built 1940 ADT: 1,000

CMSTPP RR

Unknown

Over: LRD E FLORIDA ST

0.1M E JCT IH 43, Milwaukee, WI

Built 1916 ADT: 10,000

CNW RR

Unknown

Over: LRD E GREENFIELD AVE

0.2M E JCT STH 32, Milwaukee, WI

Built 1915 ADT: 3,300

CMSTPP RR

Unknown

Over: LRD E GREENFIELD AVE

0.1M E JCT STH 32, Milwaukee, WI

Built 1915 ADT: 17,000

CMSTPP RR

Unknown

Over: LRD E NATIONAL AVE

0.2M E JCT STH 32, Milwaukee, WI

Built 1909 ADT: 17,000

CNW RR

Unknown

Over: LRD E NATIONAL AVE

0.1M E JCT IH 43, Milwaukee, WI

Built 1916 ADT: 16,000

CNW RR

Unknown

Over: LRD E NATIONAL AVE

0.1M E JCT STH 32, Milwaukee, WI

Built 1916 ADT: 16,000

CNW RR

Unknown

Over: LRD E NATIONAL AVE

0.1M E JCT STH 32, Milwaukee, WI

Built 1916 ADT: 16,000

CNW RR

Unknown

Over: LRD E WASHINGTON AVE

0.1M E JCT STH 32, Milwaukee, WI

Built 1915 ADT: 15,000

Showing 1,801-1,850 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.