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 C SOBOTTA LANE

Poor

Over: NEWCOMB VALLEY CREEK

0.1M E JCT STH 95, Trempealeau, WI

Built 1950 Load: 19.4 t ADT: 20

STH 162

Poor

Over: COON CREEK

0.6M N JCT STH 35, Vernon, WI

Built 1969 Load: 19.4 t ADT: 1,100

STH 162

Poor

Over: BR COON CREEK

0.6M N JCT USH 14 TO E, Vernon, WI

Built 1927 Load: 19.4 t ADT: 650

LRD LIETKE LANE (D

Poor

Over: COON CREEK

0.1M S JCT STH 162, Vernon, WI

Built 1973 Load: 19.4 t ADT: 20

LRD RICHMOND RD

Poor

Over: SWAN CREEK

0.1M N JCT STH 11, Walworth, WI

Built 1982 Load: 19.4 t ADT: 2,100

LRD MIDLAND DR

Poor

Over: KOHLSVILLE RIVER

0.6M N JCT CTH D, Washington, WI

Built 1926 Load: 19.4 t ADT: 395

CTH EF (HARTLING R

Poor

Over: BARK RIVER

0.5M E JCT CTH E, Waukesha, WI

Built 1984 Load: 19.4 t ADT: 1,400

CTH I (BELOIT ROAD

Poor

Over: CALHOUN CREEK

0.2M W OF JCT CTH O, Waukesha, WI

Built 1976 Load: 19.4 t ADT: 9,000

LRD LAPHAM ST

Poor

Over: OCONOMOWOC RIVER

0.9M S JCT CTH Z, Waukesha, WI

Built 1950 Load: 19.4 t ADT: 101

LRD OVERVIEW DR

Poor

Over: BUTLER DITCH

0.3M E JCT LILLY RD, Waukesha, WI

Built 1988 Load: 19.4 t ADT: 2,837

LRD CAMPBELL DR

Poor

Over: BUTLER DITCH

0.3M S JCT CTH VV, Waukesha, WI

Built 1988 Load: 19.4 t ADT: 2,837

CTH JJ (CAPITOL DR

Poor

Over: PEWAUKEE LAKE TRIB

0.7M W JCT CTH KF, Waukesha, WI

Built 1940 Load: 19.4 t ADT: 1,900

CTH Z

Poor

Over: SCUPPERNONG RIVER

0.4M N JCT STH 59, Waukesha, WI

Built 1978 Load: 19.4 t ADT: 471

LRD GLENDALE RD

Poor

Over: PEBBLE BROOK

0.9M W JCT STH 164, Waukesha, WI

Built 1984 Load: 19.4 t ADT: 440

LRD APACHE AVE

Poor

Over: ADLER CREEK

0.9M W JCT CTH H, Winnebago, WI

Built 1927 Load: 19.4 t ADT: 35

LRD W 35TH AVE

Poor

Over: MERRITS CREEK

0.3M W JCT CTH I, Winnebago, WI

Built 1980 Load: 19.4 t ADT: 153

LRD ONPRATT TRAIL

Poor

Over: LAKE WINNEBAGO

0.1M E JCT PARKWAY AVE, Winnebago, WI

Built 1921 Load: 19.4 t ADT: 115

CTH A

Poor

Over: BR YELLOW RIVER

0.1M S JCT CTH C, Wood, WI

Built 1936 Load: 19.4 t ADT: 2,700

LRD 1ST AVE

Poor

Over: LOWER PINE CREEK

0.9M E JCT STH 25, Barron, WI

Built 1978 Load: 21.1 t ADT: 58

LRD BLUFF SIDING F

Poor

Over: CHICKEN VALLEY CREEK

0.1M N JCT STH 35-54, Buffalo, WI

Built 1928 Load: 21.1 t ADT: 117

CTH G

Poor

Over: BR EAGLE RIVER

3.3M N JCT STH 95, Buffalo, WI

Built 1969 Load: 21.1 t ADT: 303

LRD OWEN RD

Poor

Over: OWENS VALLEY CREEK

0.2M E JCT CTH F, Buffalo, WI

Built 1973 Load: 21.1 t ADT: 47

LRD 240TH STREET

Poor

Over: PAINT CREEK

0.7 M N 30TH AVENUE, Chippewa, WI

Built 1948 Load: 21.1 t ADT: 200

CTH M

Poor

Over: SPRING BROOK

0.2 M N 225TH AVENUE, Chippewa, WI

Built 1935 Load: 21.1 t ADT: 290

CTH M

Poor

Over: BIG ELK CREEK

0.1 M E 10TH STREET, Chippewa, WI

Built 1940 Load: 21.1 t ADT: 330

CTH G BEGLEY ST

Poor

Over: BLACK RIVER

0.3M W JCT STH 73, Clark, WI

Built 1938 Load: 21.1 t ADT: 1,856

LRD WILLOW RD

Poor

Over: S FK EAU CLAIRE RIVER

0.3M E JCT CTH X, Clark, WI

Built 1959 Load: 21.1 t ADT: 58

LRD N HILINE AVE

Poor

Over: BR DILL CREEK

0.7M N JCT CTH N, Clark, WI

Built 1960 Load: 21.1 t ADT: 116

CTH H

Poor

Over: PLEASANT VALLEY BRANCH

0.7M S JCT CTH A, Dane, WI

Built 1963 Load: 21.1 t ADT: 724

LRD REEVE RD

Poor

Over: E BR BLUE MOUNDS CREEK

3.7M W JCT CTH F, Dane, WI

Built 1974 Load: 21.1 t ADT: 176

CTH AY

Poor

Over: E BR ROCK RIVER

1.0M S JCT STH 28, Dodge, WI

Built 1953 Load: 21.1 t ADT: 840

CTH N

Poor

Over: BUTLER CREEK

1.2M E JCT CTH P, Dodge, WI

Built 1949 Load: 21.1 t ADT: 880

CTH D

Poor

Over: HAY RIVER

1.5M E JCT CTH G, Dunn, WI

Built 1962 Load: 21.1 t ADT: 1,308

CTH BB

Poor

Over: TAINTER LAKE

1.7M E JCT STH 25, Dunn, WI

Built 1935 Load: 21.1 t ADT: 2,231

CTH C

Poor

Over: MUDDY CREEK

0.67M E JCT CTH J, Dunn, WI

Built 1966 Load: 21.1 t ADT: 1,400

CTH D

Poor

Over: EAU CLAIRE RIVER

0.6M W CTH N, Eau Claire, WI

Built 1948 Load: 21.1 t ADT: 1,385

LRD TOWN LINE RD

Poor

Over: HAY CREEK

2.6M E CTH X, Eau Claire, WI

Built 1967 Load: 21.1 t ADT: 106

LRD WESTERN AVE

Poor

Over: E BR FOND DU LAC RIVER

1.6M NE JCT I-41 AND S. M, Fond du Lac, WI

Built 1973 Load: 21.1 t ADT: 4,000

CTH M

Poor

Over: FOND DU LAC RIVER

0.9M N JCT ROSE ELD RD, Fond du Lac, WI

Built 1927 Load: 21.1 t ADT: 1,100

LRD SKINNER HOLLOW

Poor

Over: SKINNER CREEK

0.6M N JCT STH 81, Green, WI

Built 1936 Load: 21.1 t ADT: 105

CTH M

Poor

Over: BR PECATONICA RIVER

0.6M N JCT CTH B, Green, WI

Built 1961 Load: 21.1 t ADT: 790

CTH A MILLS ST

Poor

Over: PUCKYAN RIVER

0.9M S JCT STH 23, Green Lake, WI

Built 1929 Load: 21.1 t ADT: 1,600

CTH E

Poor

Over: E PECATONICA RIVER

3.1M W JCT STH 39, Iowa, WI

Built 1940 Load: 21.1 t ADT: 350

CTH X

Poor

Over: LITTLE OXBO CREEK

0.3M N JCT STH 64, Lincoln, WI

Built 1952 Load: 21.1 t ADT: 420

LRD CORNING DR

Poor

Over: DEVILS CREEK

0.8M S JCT CTH Z, Lincoln, WI

Built 1920 Load: 21.1 t ADT: 72

CTH N

Poor

Over: HAMAN CREEK

1.2M W JCT STH 97, Marathon, WI

Built 1952 Load: 21.1 t ADT: 520

CTH U

Poor

Over: LITTLE RIB RIVER

1.7M E JCT CTH O, Marathon, WI

Built 1957 Load: 21.1 t ADT: 1,983

CTH L

Poor

Over: LITTLE RIB RIVER

2.0M W JCT CTH O, Marathon, WI

Built 1957 Load: 21.1 t ADT: 635

CTH T

Poor

Over: MCGIVERN CREEK

1.3M S JCT STH 97, Marathon, WI

Built 1957 Load: 21.1 t ADT: 766

CTH P

Poor

Over: FENWOOD CREEK

0.3M W JCT CTH M TO N, Marathon, WI

Built 1959 Load: 21.1 t ADT: 563

Showing 14,301-14,350 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.