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

CTH HH

Poor

Over: HEMLOCK CREEK

1.3M N JCT STH 186, Wood, WI

Built 1961 Load: 25.9 t ADT: 485

LRD 29TH ST

Poor

Over: BEAVER CREEK

2.6M S JCT CTH D, Barron, WI

Built 1934 Load: 27.5 t ADT: 88

LRD 15 1/2 AVENUE

Poor

Over: LIGHTNING CREEK

0.3M E OF 4TH STREET, Barron, WI

Built 1940 Load: 27.5 t ADT: 23

LRD BIBON RD

Poor

Over: WHITE RIVER

0.6M W JCT USH 63, Bayfield, WI

Built 1984 Load: 27.5 t ADT: 76

LRD OCONNOR RD

Poor

Over: BR DUCK CREEK

0.3M E JCT CTH HS, Brown, WI

Built 1978 Load: 27.5 t ADT: 1,657

LRD FOUR CORNERS R

Poor

Over: BOLAND VALLEY CREEK

0.8M S JCT STH 95, Buffalo, WI

Built 1930 Load: 27.5 t ADT: 205

CTH XX

Poor

Over: JOHNS VALLEY CREEK

5.4M N JCT STH 88, Buffalo, WI

Built 1925 Load: 27.5 t ADT: 97

CTH H

Poor

Over: WOLF RIVER

0.2 M N 130TH AVENUE, Chippewa, WI

Built 1913 Load: 27.5 t ADT: 1,215

LRD 190TH AVENUE

Poor

Over: BRANCH DUNCAN CREEK

0.1 M W STH 64, Chippewa, WI

Built 1934 Load: 27.5 t ADT: 200

CTH A

Poor

Over: BR N FK POPPLE RIVER

1.9M E JCT CTH E, Clark, WI

Built 1951 Load: 27.5 t ADT: 568

CTH B

Poor

Over: CROOKED CREEK

1.9M S JCT USH 10, Clark, WI

Built 1924 Load: 27.5 t ADT: 208

CTH Y

Poor

Over: BLUMS CREEK

2.7M E JCT CTH KP, Dane, WI

Built 1939 Load: 27.5 t ADT: 580

LRD GOODLAND RD

Poor

Over: RUBICON RIVER

0.3M N JCT STH 60, Dodge, WI

Built 1982 Load: 27.5 t ADT: 233

LRD FARMERSVILLE R

Poor

Over: GILL CREEK

1.3M E JCT CTH Y, Dodge, WI

Built 1968 Load: 27.5 t ADT: 58

CTH B

Poor

Over: AMNICON RIVER

0.3M E JCT CTH L, Douglas, WI

Built 1977 Load: 27.5 t ADT: 688

LRD MIDDLE RIVER R

Poor

Over: POPLAR RIVER

0.2M W OF CTH P, Douglas, WI

Built 1935 Load: 27.5 t ADT: 101

LRD 360TH ST (DEAD

Poor

Over: CLACK CREEK

0.3M N JCT STH 79, Dunn, WI

Built 1934 Load: 27.5 t ADT: 29

CTH V ELLIOT ST

Poor

Over: S FK LOWER PINE CREEK

0.1M S JCT CTH AA, Dunn, WI

Built 1947 Load: 27.5 t ADT: 213

CTH CCC

Poor

Over: SHEBOYGAN RIVER

0.2M N JCT TRIPLE T RD, Fond du Lac, WI

Built 1964 Load: 27.5 t ADT: 640

CTH A

Poor

Over: PECATONICA RIVER

3.0M E JCT CTH G, Iowa, WI

Built 1939 Load: 27.5 t ADT: 650

LRD JONES BRANCH R

Poor

Over: PECATONICA RIVER

0.3M S JCT CTH J, Iowa, WI

Built 1929 Load: 27.5 t ADT: 145

LRD SECHLERVILLE R

Poor

Over: TREMPEALEAU RIVER

0.3M S JCT STH 95, Jackson, WI

Built 1979 Load: 27.5 t ADT: 135

CTH WG

Poor

Over: BR DUTCH GAP CANAL

0.6M E JCT USH 45, Kenosha, WI

Built 1941 Load: 27.5 t ADT: 5,200

CTH H

Poor

Over: COON CREEK

0.2M E JCT CTH G, La Crosse, WI

Built 1978 Load: 27.5 t ADT: 295

CTH NN

Poor

Over: MORMON CREEK

0.2M S JCT CTH M, La Crosse, WI

Built 1977 Load: 27.5 t ADT: 81

CTH I

Poor

Over: ELLIS BRANCH

0.8M N JCT CTH W, Lafayette, WI

Built 1930 Load: 27.5 t ADT: 293

LRD GULDAN ST

Poor

Over: WILD CREEK

0.7M E JCT CTH M, Marathon, WI

Built 1967 Load: 27.5 t ADT: 90

CTH G

Poor

Over: GOOSE LAKE BRANCH CANAL

1.8M W JCT USH 45, Racine, WI

Built 1966 Load: 27.5 t ADT: 1,700

CTH C

Poor

Over: COUDERAY RIVER

0.1M S JCT STH 27, Sawyer, WI

Built 1976 Load: 27.5 t ADT: 434

CTH MC

Poor

Over: SHEBOYGAN RIVER

0.3M S JCT STH 32, Sheboygan, WI

Built 1966 Load: 27.5 t ADT: 117

CTH A

Poor

Over: PINE CREEK

2.0M W JCT CTH E, Taylor, WI

Built 1970 Load: 27.5 t ADT: 640

LRD SWEDE VALLEY R

Poor

Over: ELK CREEK

0.2M W JCT STH 93, Trempealeau, WI

Built 1968 Load: 27.5 t ADT: 94

LRD MASON LANE

Poor

Over: BR FRENCH CREEK

0.5M W JCT CTH T, Trempealeau, WI

Built 1950 Load: 27.5 t ADT: 94

CTH VV WB (SILVER

Poor

Over: MENOMONEE RIVER

1.5M W JCT USH 45, Waukesha, WI

Built 1964 Load: 27.5 t ADT: 9,600

LRD NORWEGIAN RD

Poor

Over: ASHIPPUN RIVER

0.8M N JCT CTH CW, Waukesha, WI

Built 1929 Load: 27.5 t ADT: 98

CTH H

Poor

Over: PONY CREEK

0.1M W JCT CTH I, Waushara, WI

Built 1948 Load: 27.5 t ADT: 650

FR 2174

Poor

Over: PINE RIVER

2.8 MI W OF JCT STH 55, Forest, WI

Built 1949 Load: 28.8 t ADT: 50

LRD CORNELL RD

Poor

Over: BR DUCK CREEK

0.1M NORTH OF CTH EB, Brown, WI

Built 1978 Load: 29.2 t ADT: 2,007

STH 35

Poor

Over: SLOUGH

0.2M N JCT STH 25 TO N, Buffalo, WI

Built 1933 Load: 29.2 t ADT: 2,100

STH 35

Poor

Over: SLOUGH

1.4M N JCT STH 25 TO N, Buffalo, WI

Built 1933 Load: 29.2 t ADT: 2,100

CTH XX

Poor

Over: PAINT CREEK

0.9 M N 30TH AVENUE, Chippewa, WI

Built 1979 Load: 29.2 t ADT: 685

LRD PINE RD

Poor

Over: ROGER CREEK

4.3M W JCT STH 73, Clark, WI

Built 1961 Load: 29.2 t ADT: 58

LRD JOHN NOLEN DR

Poor

Over: LAKE MONONA

1.2M N JCT CTH MC, Dane, WI

Built 1968 Load: 29.2 t ADT: 36,900

LRD GARETH RD (DEA

Poor

Over: POKEGAMA RIVER

2.2M N JCT CTH C, Douglas, WI

Built 1918 Load: 29.2 t ADT: 10

CTH KK

Poor

Over: OTTER CREEK

0.2M N CTH HH, Eau Claire, WI

Built 1919 Load: 29.2 t ADT: 360

CTH X

Poor

Over: ALDER CREEK

0.7M W STH 27, Eau Claire, WI

Built 1930 Load: 29.2 t ADT: 370

STH 55

Poor

Over: N BR PESHTIGO RIVER

2.5M N JCT STH 32 TO N, Forest, WI

Built 1962 Load: 29.2 t ADT: 180

LRD CARDINAL RD

Poor

Over: N BR PESHTIGO RIVER

2.5M N JCT CTH G, Forest, WI

Built 1921 Load: 29.2 t ADT: 32

LRD CARDINAL RD

Poor

Over: N BR PESHTIGO RIVER

3.2M N JCT CTH G, Forest, WI

Built 1924 Load: 29.2 t ADT: 42

CTH G

Poor

Over: BLUE RIVER

0.3M W JCT CTH Q, Grant, WI

Built 1950 Load: 29.2 t ADT: 470

Showing 14,551-14,600 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.