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 VJ

Poor

Over: ROCKY RUN CREEK

0.8M E JCT CTH J, Columbia, WI

Built 1956 Load: 34.0 t ADT: 470

CTH M / CENTURY AV

Poor

Over: PHEASANT BRANCH CREEK

0.4M W JCT CTH Q, Dane, WI

Built 1949 Load: 34.0 t ADT: 15,700

CTH M / CENTURY AV

Poor

Over: PHEASANT BRANCH CREEK

0.3M E JCT CTH Q, Dane, WI

Built 1956 Load: 34.0 t ADT: 22,500

CTH W

Poor

Over: BR SHEBOYGAN RIVER

0.5M S JCT CTH WW, Fond du Lac, WI

Built 1968 Load: 34.0 t ADT: 1,720

CTH KS

Poor

Over: BR RICHLAND CREEK

0.3M E JCT CTH K, Green, WI

Built 1956 Load: 34.0 t ADT: 411

CTH M

Poor

Over: FLEMING CREEK

0.1M S JCT CTH T, La Crosse, WI

Built 1939 Load: 34.0 t ADT: 270

LRD PALFREY RD

Poor

Over: SHULLSBURG BRANCH

0.8M N JCT STH 11, Lafayette, WI

Built 1929 Load: 34.0 t ADT: 47

CTH M

Poor

Over: S FK COPPER CRK

2.8M W JCT STH 64, Lincoln, WI

Built 1980 Load: 34.0 t ADT: 302

CTH N

Poor

Over: BIG EAU PLEINE RIVER

0.2M E JCT CTH F TO S, Marathon, WI

Built 1961 Load: 34.0 t ADT: 1,106

CTH C

Poor

Over: N BR PELICAN RIVER

4.5M E JCT STH 47, Oneida, WI

Built 1960 Load: 34.0 t ADT: 3,906

LRD TENDROP RD 153

Poor

Over: APPLE RIVER

0.6M W JCT CTH H, Polk, WI

Built 1961 Load: 34.0 t ADT: 10

CTH W

Poor

Over: MCKENZIE CREEK

0.7M W JCT CTH O, Polk, WI

Built 1956 Load: 34.0 t ADT: 288

CTH J

Poor

Over: LITTLE TURTLE CREEK

1.3M E JCT CTH P, Rock, WI

Built 1976 Load: 34.0 t ADT: 270

STH 27

Poor

Over: NAMEKAGON RIVER

0.1M N JCT CTH B, Sawyer, WI

Built 1996 Load: 34.0 t ADT: 13,500

LRD SOUTH CLOVER R

Poor

Over: BRUNET RIVER

0.5M S JCT STH 70, Sawyer, WI

Built 1970 Load: 34.0 t ADT: 21

CTH A

Poor

Over: WILLOW RIVER

0.1M S JCT CTH I, St. Croix, WI

Built 1980 Load: 34.0 t ADT: 9,200

LRD FILLA VALLEY R

Poor

Over: LYGA VALLEY CREEK

0.6M S JCT CTH X, Trempealeau, WI

Built 1935 Load: 34.0 t ADT: 18

LRD WOZNEY BAUTCH

Poor

Over: LEWIS VALLEY CREEK

2.2M W JCT STH 93, Trempealeau, WI

Built 1930 Load: 34.0 t ADT: 23

LRD S. RIVER RD

Poor

Over: TRUMP COULEE CREEK

1.5M E JCT CTH S, Trempealeau, WI

Built 1959 Load: 34.0 t ADT: 470

CTH P

Poor

Over: BIG SLOUGH CREEK

1.3M E JCT STH 121, Trempealeau, WI

Built 1960 Load: 34.0 t ADT: 303

CTH E

Poor

Over: BR ELK CREEK

0.8M S JCT CTH EE, Trempealeau, WI

Built 1968 Load: 34.0 t ADT: 412

CTH P

Poor

Over: BR W FK KICKAPOO RIVER

0.6M E JCT CTH S, Vernon, WI

Built 1935 Load: 34.0 t ADT: 575

USH 12/STH 67

Poor

Over: SUGAR CREEK

0.6 MI E JCT CTH A, Walworth, WI

Built 1966 Load: 34.0 t ADT: 9,900

LRD STONE BANK ROA

Poor

Over: UP RR

1.3M N JCT CTH K, Waukesha, WI

Built 1983 Load: 34.0 t ADT: 650

CTH J

Poor

Over: LITTLE ROCHE A CRI CREEK

2.2M W JCT CTH N, Adams, WI

Built 1950 Load: 35.6 t ADT: 1,100

LRD GRAND VIEW RD

Poor

Over: BAIRD CREEK

1.7M S JCT STH 54, Brown, WI

Built 1970 Load: 35.6 t ADT: 323

LRD LARSON RD

Poor

Over: BEAVER CREEK

0.6M E JCT CTH EB, Brown, WI

Built 1978 Load: 35.6 t ADT: 11,375

STH 35

Poor

Over: SLOUGH

1.7M N JCT STH 25 TO N, Buffalo, WI

Built 1933 Load: 35.6 t ADT: 2,100

STH 35

Poor

Over: SLOUGH

2.0M N JCT STH 25 TO N, Buffalo, WI

Built 1933 Load: 35.6 t ADT: 2,100

LRD EMERSON RD

Poor

Over: YELLOW RIVER

0.3M N JCT CTH X, Burnett, WI

Built 1998 Load: 35.6 t ADT: 108

CTH X

Poor

Over: BLACK RIVER

0.9M E JCT CTH O TO S, Clark, WI

Built 1993 Load: 35.6 t ADT: 935

LRD BADGER AVE

Poor

Over: DILL CREEK

1.3M S JCT STH 29, Clark, WI

Built 1969 Load: 35.6 t ADT: 116

CTH B

Poor

Over: NEBAGAMON CREEK

0.7M E JCT CTH S, Douglas, WI

Built 1969 Load: 35.6 t ADT: 790

CTH Y

Poor

Over: E BR FOND DU LAC RIVER

2.0M N JCT CTH B, Fond du Lac, WI

Built 1981 Load: 35.6 t ADT: 460

CTH KK

Poor

Over: W BR BLUE MOUNDS CREEK

0.1M E JCT CTH K, Iowa, WI

Built 1972 Load: 35.6 t ADT: 315

IH 94 WB

Poor

Over: UNION PACIFIC RR

10.0M W JCT CTH O TO S, Jackson, WI

Built 1968 Load: 35.6 t ADT: 12,200

CTH A

Poor

Over: PIKE RIVER

0.1M W JCT CTH G, Kenosha, WI

Built 1978 Load: 35.6 t ADT: 2,600

LRD CLUB HOUSE RD

Poor

Over: EAU CLAIRE RIVER

1.2M N JCT STH 29, Marathon, WI

Built 1981 Load: 35.6 t ADT: 90

LRD FERNDALE RD

Poor

Over: PESHTIGO RIVER

2.5M N JCT STH 64, Marinette, WI

Built 1990 Load: 35.6 t ADT: 201

IH 43 NB

Poor

Over: ROOT RIVER MARSH

0.7 MI NORTH JCT STH 100/, Milwaukee, WI

Built 1966 Load: 35.6 t ADT: 18,200

LRD S 16TH ST

Poor

Over: CMSTP&P RR

0.8M N JCT STH 59, Milwaukee, WI

Built 1929 Load: 35.6 t ADT: 6,280

LRD S 16TH ST

Poor

Over: CMSTP&P RR

0.8M N JCT STH 59, Milwaukee, WI

Built 1929 Load: 35.6 t ADT: 6,280

LRD S 16TH ST

Poor

Over: LAND

0.8M N JCT STH 59, Milwaukee, WI

Built 1929 Load: 35.6 t ADT: 6,280

LRD S 16TH ST

Poor

Over: LAND

0.8M N JCT STH 59, Milwaukee, WI

Built 1929 Load: 35.6 t ADT: 6,280

LRD S 16TH ST

Poor

Over: LAND

0.8M N JCT STH 59, Milwaukee, WI

Built 1929 Load: 35.6 t ADT: 6,280

LRD S 16TH ST

Poor

Over: LAND

0.8M N JCT STH 59, Milwaukee, WI

Built 1929 Load: 35.6 t ADT: 9,300

LRD S 16TH ST

Poor

Over: LAND

0.8M N JCT STH 59, Milwaukee, WI

Built 1929 Load: 35.6 t ADT: 9,300

LRD S 16TH ST

Poor

Over: LAND

0.8M N JCT STH 59, Milwaukee, WI

Built 1929 Load: 35.6 t ADT: 9,300

LRD S 16TH ST

Poor

Over: LAND

0.8M N JCT STH 59, Milwaukee, WI

Built 1929 Load: 35.6 t ADT: 9,200

CTH Y

Poor

Over: TOMAHAWK RIVER

8.5M S JCT USH 51, Oneida, WI

Built 1984 Load: 35.6 t ADT: 374

Showing 14,701-14,750 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.