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%.

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.

All Bridges in Wisconsin

LRD NORWAY VALLEY

Poor

Over: TAMARACK RIVER

2.3M N JCT STH 93, Trempealeau, WI

Built 1928 Load: 22.7 t ADT: 94

LRD SOPPA RD

Poor

Over: TURTON CREEK

0.1M N JCT CTH T, Trempealeau, WI

Built 1962 Load: 22.7 t ADT: 47

CTH F

Poor

Over: HILLS CREEK

2.8M E JCT CTH V, Vernon, WI

Built 1935 Load: 22.7 t ADT: 390

LRD WEBER RD

Poor

Over: BR HORNBY HOLLOW CREEK

0.7M S JCT CTH NN, Vernon, WI

Built 1935 Load: 22.7 t ADT: 47

LRD PETERS RD

Poor

Over: BR LITTLE TURTLE CREEK

4.4M N JCT STH 67, Walworth, WI

Built 1956 Load: 22.7 t ADT: 235

LRD WEST BEND RD

Poor

Over: BR E BR ROCK RIVER

1.0M S JCT CTH D, Washington, WI

Built 1927 Load: 22.7 t ADT: 47

LRD GEBHARDT RD

Poor

Over: DOUSMAN DITCH

2.9M E JCT CTH Y, Waukesha, WI

Built 1966 Load: 22.7 t ADT: 5,100

CTH B

Poor

Over: LITTLE WOLF RIVER

0.3M W JCT STH 22, Waupaca, WI

Built 1949 Load: 22.7 t ADT: 1,169

FR108

Poor

Over: N. FK. YELLOW RIVER

2.3 M. S. JCT CTH D, Taylor, WI

Built 1980 Load: 23.0 t ADT: 50

CTH GG

Poor

Over: MCCARTHY CREEK

6.0M N JCT STH 77, Ashland, WI

Built 1948 Load: 24.3 t ADT: 567

LRD 18TH AVE

Poor

Over: SILVER CREEK

0.8M E JCT CTH M, Barron, WI

Built 1960 Load: 24.3 t ADT: 94

CTH H

Poor

Over: EAGLE LAKE

6.0M S JCT USH 2, Bayfield, WI

Built 1955 Load: 24.3 t ADT: 431

CTH C

Poor

Over: SUAMICO RIVER

1.0M S JCT CTH B, Brown, WI

Built 1948 Load: 24.3 t ADT: 890

LRD HENRY ST

Poor

Over: BAIRD CREEK

0.4M S JCT STH 54, Brown, WI

Built 1970 Load: 24.3 t ADT: 6,180

CTH H

Poor

Over: LITTLE OTTER CREEK

0.6 M N 10TH AVENUE, Chippewa, WI

Built 1935 Load: 24.3 t ADT: 975

LRD CENTRAL STREET

Poor

Over: DUNCAN CREEK

0.1 M E STH 124, Chippewa, WI

Built 1934 Load: 24.3 t ADT: 3,310

CTH K

Poor

Over: S FK POPPLE RIVER

1.0M W JCT CTH Q, Clark, WI

Built 1979 Load: 24.3 t ADT: 394

LRD CARDINAL AVE

Poor

Over: BR JACK CREEK

0.6M S JCT USH 10, Clark, WI

Built 1928 Load: 24.3 t ADT: 58

LRD CAPITOL VIEW R

Poor

Over: PHEASANT BRANCH CREEK

0.2M N JCT AIRPORT RD, Dane, WI

Built 1966 Load: 24.3 t ADT: 117

LRD BELL BROOK RD

Poor

Over: BR STORY CREEK

1.5M E JCT CTH D, Dane, WI

Built 1923 Load: 24.3 t ADT: 88

LRD LEWIS RD

Poor

Over: W. BRANCH OF SUGAR RIVER

100 FT EAST OF CTH JG, Dane, WI

Built 1930 Load: 24.3 t ADT: 50

CTH D

Poor

Over: RED CEDAR RIVER

2.8M S JCT STH 25, Dunn, WI

Built 1975 Load: 24.3 t ADT: 1,501

CTH Q

Poor

Over: BOLEN CREEK

0.4M N JCT STH 64, Dunn, WI

Built 1968 Load: 24.3 t ADT: 113

CTH H

Poor

Over: WOLF RIVER

1.8M N CTH MM, Eau Claire, WI

Built 1975 Load: 24.3 t ADT: 370

CTH EE WISCONSIN

Poor

Over: W BR LITTLE SUGAR RIVER

0.1M E JCT F, Green, WI

Built 1968 Load: 24.3 t ADT: 860

STH 130-STH 133

Poor

Over: WISCONSIN RIVER 05

2.3M N JCT CTH C, Iowa, WI

Built 1942 Load: 24.3 t ADT: 1,900

STH 54

Poor

Over: MILL CREEK

0.7M E JCT CTH V TO N, Jackson, WI

Built 1959 Load: 24.3 t ADT: 640

LRD NICHOLS RD

Poor

Over: TROUT RUN CREEK

0.2M S JCT STH 54, Jackson, WI

Built 1923 Load: 24.3 t ADT: 102

CTH O

Poor

Over: CLEAR CREEK

3.1M E JCT CTH S, Jackson, WI

Built 1928 Load: 24.3 t ADT: 350

LRD TURNER RD

Poor

Over: BARK RIVER

0.2M W JCT CTH F, Jefferson, WI

Built 1982 Load: 24.3 t ADT: 82

CTH M

Poor

Over: LA CROSSE RIVER

0.4M N JCT STH 16, La Crosse, WI

Built 1955 Load: 24.3 t ADT: 1,800

LRD MUENZENBERGER

Poor

Over: BR COON CREEK

1.2M E JCT CTH G, La Crosse, WI

Built 1941 Load: 24.3 t ADT: 94

CTH F

Poor

Over: STEINER BRANCH

2.0M N JCT CTH G TO E, Lafayette, WI

Built 1936 Load: 24.3 t ADT: 505

CTH F

Poor

Over: YELLOWSTONE RIVER

2.3M N JCT CTH G TO E, Lafayette, WI

Built 1936 Load: 24.3 t ADT: 505

CTH S

Poor

Over: CANON CREEK

0.3M W JCT CTH D, Lafayette, WI

Built 1961 Load: 24.3 t ADT: 140

CTH CS

Poor

Over: SILVER CREEK

1.2M N JCT USH 151, Manitowoc, WI

Built 1969 Load: 24.3 t ADT: 1,800

CTH VV

Poor

Over: LITTLE WOLF RIVER

0.4M E JCT STH 49, Marathon, WI

Built 1962 Load: 24.3 t ADT: 358

CTH M

Poor

Over: BIG EAU PLEINE RIVER

0.3M N JCT STH 153, Marathon, WI

Built 1975 Load: 24.3 t ADT: 635

LRD 60TH AVE

Poor

Over: OTTO CREEK

0.1M N JCT CTH U, Marathon, WI

Built 1955 Load: 24.3 t ADT: 90

LRD CHESAK RD

Poor

Over: BR SCOTCH CREEK

0.8M E JCT CTH H, Marathon, WI

Built 1931 Load: 24.3 t ADT: 125

LRD ABT RD

Poor

Over: MOLE BROOK

1.8M N JCT CTH Q, Marathon, WI

Built 1964 Load: 24.3 t ADT: 50

LRD COUNTY LINE RD

Poor

Over: BIG CAIN CREEK

1.6M E JCT CTH WW, Marathon, WI

Built 1965 Load: 24.3 t ADT: 246

LRD IRR (BEAR TRAP

Poor

Over: WOLF RIVER

0.4M W JCT STH 55, Menominee, WI

Built 1957 Load: 24.3 t ADT: 23

CTH Z

Poor

Over: POE CREEK

1.4M E JCT STH 131, Monroe, WI

Built 1937 Load: 24.3 t ADT: 239

CTH J

Poor

Over: LITTLE RIVER

2.1M W JCT CTH WW, Oconto, WI

Built 1976 Load: 24.3 t ADT: 251

CTH KK

Poor

Over: KANKAPOT CREEK

1.7M E JCT STH 55, Outagamie, WI

Built 1948 Load: 24.3 t ADT: 3,997

USH 51-CENTER AVE

Poor

Over: CNW RR

11.3M N JCT STH 81, Rock, WI

Built 1982 Load: 24.3 t ADT: 14,600

CTH A

Poor

Over: THORNAPPLE RIVER

1.8M W JCT STH 27--5, Rusk, WI

Built 1967 Load: 24.3 t ADT: 781

CTH W

Poor

Over: SKILLET CREEK

1.7M W JCT USH 12, Sauk, WI

Built 1939 Load: 24.3 t ADT: 738

LRD PINE BLUFF RD

Poor

Over: NARROWS CREEK

0.3M S JCT CTH CH, Sauk, WI

Built 1967 Load: 24.3 t ADT: 136

Showing 14,451-14,500 of 14,851 bridges

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.

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.