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 K

Good

Over: BR SPRING CREEK

1.4M W JCT CTH G, Green, WI

Built 2012 Load: 32.4 t ADT: 367

STH 59

Good

Over: SYLVESTER CREEK

3.6 MI N OF JCT STH 11, Green, WI

Built 2017 Load: 32.4 t ADT: 2,500

LRD ERB ROAD

Good

Over: SPRING CREEK

0.2 MI N JCT CTH K, Green, WI

Built 2016 Load: 32.4 t ADT: 100

STH 49-WASHINGTON

Good

Over: BARNES CREEK

0.9M N JCT CTH F, Green Lake, WI

Built 1975 Load: 32.4 t ADT: 2,900

CTH A

Good

Over: DRAINAGE WAY

1.3 MI N. BLUFFTON RD, Green Lake, WI

Built 2006 Load: 32.4 t ADT: 428

CTH B

Good

Over: TRIB. PUCKAWAY LAKE

.65 MI W. JCT STH 73, Green Lake, WI

Built 2008 Load: 32.4 t ADT: 344

LRD LOWER WYOMING

Good

Over: RUSH CREEK

0.5M N JCT STH 23, Iowa, WI

Built 1984 Load: 32.4 t ADT: 208

LRD STAR VALLEY RD

Good

Over: E BR PECATONICA RIVER

1.4M N JCT STH 39, Iowa, WI

Built 1986 Load: 32.4 t ADT: 104

LRD LAKEVIEW RD

Good

Over: SNEED CREEK

3.0M W JCT STH 23, Iowa, WI

Built 1988 Load: 32.4 t ADT: 52

LRD COON ROCK RD

Good

Over: MILL CREEK

1.1M S JCT USH 14, Iowa, WI

Built 1988 Load: 32.4 t ADT: 208

STH 133

Good

Over: MARSH CREEK

2.0M N JCT CTH N, Iowa, WI

Built 1990 Load: 32.4 t ADT: 1,200

LRD FACTORYROAD

Good

Over: BR OTTER CREEK

0.1M E JCT CTH II, Iowa, WI

Built 1985 Load: 32.4 t ADT: 112

STH 133

Good

Over: TRIB OF WISCONSIN RIVER

4.9M N JCT STH 80S, Iowa, WI

Built 1999 Load: 32.4 t ADT: 1,200

STH 133

Good

Over: TRIB OF WISCONSIN RIVER

0.2 MI. S OF BIGELOW RD., Iowa, WI

Built 1999 Load: 32.4 t ADT: 1,200

CTH CH

Good

Over: MINERAL POINT BRANCH

1.9M W JCT STH 23, Iowa, WI

Built 2000 Load: 32.4 t ADT: 610

STH 80

Good

Over: UNDERWOOD CREEK

1.2M N JCT CTH P TO W, Iowa, WI

Built 2002 Load: 32.4 t ADT: 320

CTH X

Good

Over: LIVINGSTON BRANCH

0.8 M E JCT STH 80, Iowa, WI

Built 2016 Load: 32.4 t ADT: 330

LRD MERRY CHRISTMA

Good

Over: UNNAMED TRIBUTARY TO BRE

0.1 M N JCT STH 39, Iowa, WI

Built 2016 Load: 32.4 t ADT: 500

LRD CLYDE ROAD

Good

Over: TRIB TO OTTER CREEK

1.4 M E JCT STH 130, Iowa, WI

Built 2015 Load: 32.4 t ADT: 150

STH 191

Good

Over: DRAINAGE WAY

386' W OF LONG VALLEY RD., Iowa, WI

Built 2019 Load: 32.4 t ADT: 1,200

STH 191

Good

Over: DRAINAGE WAY

2.0 MI. E OF STH 23, Iowa, WI

Built 2019 Load: 32.4 t ADT: 1,200

LRD MILL RD

Good

Over: TROUT CREEK

0.2M W JCT CTH T, Iowa, WI

Built 1992 Load: 32.4 t ADT: 62

LRD MT HOPE RD

Good

Over: HARKER CREEK

1.4M S JCT CTH Q, Iowa, WI

Built 1995 Load: 32.4 t ADT: 78

STH 122

Good

Over: LAWRENCE CR

7.8 M N JCT CTH E, Iron, WI

Built 2011 Load: 32.4 t ADT: 280

CTH V

Good

Over: WILSON CREEK

0.5M N JCT STH 54, Jackson, WI

Built 1992 Load: 32.4 t ADT: 290

LRD SOUTH CEMETERY

Good

Over: MOLLIES CREEK

3.3M N JCT STH 54, Jackson, WI

Built 1993 Load: 32.4 t ADT: 281

CTH C

Good

Over: N FK BEAVER CREEK

0.2M E JCT CTH N, Jackson, WI

Built 1997 Load: 32.4 t ADT: 380

CTH F

Good

Over: AMO

2.5 M S JCT STH 95, Jackson, WI

Built 2006 Load: 32.4 t ADT: 1,100

LRD ROCKVALE RD

Good

Over: BR ROCK RIVER

2.2M W JCT CTH P, Jefferson, WI

Built 1982 Load: 32.4 t ADT: 240

STH 106

Good

Over: SCUPPERNONG RIVER

2.7M E JCT CTH CI, Jefferson, WI

Built 1989 Load: 32.4 t ADT: 1,500

LRD LAKE DOROTHY L

Good

Over: JOHNSON CREEK

0.2M N JCT CTH B, Jefferson, WI

Built 1994 Load: 32.4 t ADT: 23

CTH Y

Good

Over: JOHNSON CREEK

0.2M S JCT STH 26, Jefferson, WI

Built 1993 Load: 32.4 t ADT: 1,700

LRD SWITZKE RD

Good

Over: JOHNSON CREEK

3.0M S JCT CTH B, Jefferson, WI

Built 1999 Load: 32.4 t ADT: 125

STH 106

Good

Over: ROCK RIVER

1.1M E JCT USH 12, Jefferson, WI

Built 2007 Load: 32.4 t ADT: 4,100

CTH E

Good

Over: BARK RIVER

2.2M S JCT USH 18, Jefferson, WI

Built 1981 Load: 32.4 t ADT: 1,600

IH 90 WB-IH 94 WB

Good

Over: SEVEN MILE CREEK

6.8M W JCT CTH HH TO N, Juneau, WI

Built 1964 Load: 32.4 t ADT: 17,350

STH 82

Good

Over: CLEAVER CREEK

1.0M E JCT STH 80 TO N, Juneau, WI

Built 1986 Load: 32.4 t ADT: 3,500

STH 82

Good

Over: TRIB CLEAVER CREEK

1.6M E JCT STH 80 TO N, Juneau, WI

Built 1986 Load: 32.4 t ADT: 3,500

CTH A

Good

Over: FOUNTAIN CREEK

0.5M E JCT CTH H, Juneau, WI

Built 1987 Load: 32.4 t ADT: 890

STH 58-STH 82-UNIO

Good

Over: LEMONWEIR RIVER

0.1M N JCT USH 12 TO E, Juneau, WI

Built 1987 Load: 32.4 t ADT: 1,600

STH 58

Good

Over: LITTLE YELLOW RIVER

0.8M N JCT CTH A, Juneau, WI

Built 1990 Load: 32.4 t ADT: 3,800

LRD 7TH AVE

Good

Over: DANIELSON LATERAL

6.1M W JCT STH 80, Juneau, WI

Built 1991 Load: 32.4 t ADT: 23

STH 33-STATE BIKE

Good

Over: DRAINAGE WAY

0.1M W OF E JCT CTH G, Juneau, WI

Built 2002 Load: 32.4 t ADT: 2,700

CTH H

Good

Over: CTH C/CPRS RR

0.1 MI S. JCT USH 12, Juneau, WI

Built 2004 Load: 32.4 t ADT: 1,779

STH 80

Good

Over: WEBSTER CR

0.2M S CTH B, Juneau, WI

Built 2005 Load: 32.4 t ADT: 1,600

CTH F

Good

Over: OVERFLOW OF YELLOW RIVER

0.1 MI W OF 11TH AVE, Juneau, WI

Built 2011 Load: 32.4 t ADT: 114

LRD WRIGHT STREET

Good

Over: LYNDON CREEK

0.1 MI E JCT CTH HH, Juneau, WI

Built 2011 Load: 32.4 t ADT: 25

CTH B

Good

Over: WEBSTER CREEK

0.1 MI E JCT STH 80, Juneau, WI

Built 2012 Load: 32.4 t ADT: 574

CTH O

Good

Over: STEWART CREEK

1 MI W JCT STH 58, Juneau, WI

Built 2022 Load: 32.4 t ADT: 540

LRD 32ND ST WEST

Good

Over: LITTLE YELLOW RIVER

1.5M W JCT STH 80, Juneau, WI

Built 1983 Load: 32.4 t ADT: 130

Showing 8,951-9,000 of 14,851 bridges

Related

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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.