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

STH 82

Good

Over: DRY HOLLOW CREEK

1.6M E JCT CTH SS, Vernon, WI

Built 1996 Load: 32.4 t ADT: 1,100

LRD WEST SALEM RID

Good

Over: BR W FK KICKAPOO RIVER

1.2M S JCT CTH S, Vernon, WI

Built 1993 Load: 32.4 t ADT: 44

CTH S

Good

Over: BR W FK KICKAPOO RIVER

0.1M S JCT STH 82, Vernon, WI

Built 1994 Load: 32.4 t ADT: 271

LRD TROUT RD (DEAD

Good

Over: BILLINGS CREEK

0.1M S JCT CTH Z, Vernon, WI

Built 1994 Load: 32.4 t ADT: 10

CTH P

Good

Over: WARNER CREEK

0.5M E JCT STH 131, Vernon, WI

Built 1996 Load: 32.4 t ADT: 119

STH 82

Good

Over: W BR BARABOO RIVER

2.2M E JCT CTH P, Vernon, WI

Built 1999 Load: 32.4 t ADT: 1,100

LRD S BAD AXE RD

Good

Over: S FK BAD AXE RIVER

0.9M W JCT CTH N, Vernon, WI

Built 2001 Load: 32.4 t ADT: 80

CTH P

Good

Over: WARNER CREEK

1.7M E JCT STH 131, Vernon, WI

Built 2001 Load: 32.4 t ADT: 118

LRD HAGEN LANE (DE

Good

Over: COON CREEK

0.1M S JCT STH 162, Vernon, WI

Built 2001 Load: 32.4 t ADT: 10

LRD S HARRISON VAL

Good

Over: HARRISON CREEK

2.2M W JCT CTH S, Vernon, WI

Built 2001 Load: 32.4 t ADT: 40

CTH P

Good

Over: WARNER CREEK

2.3M E JCT STH 131, Vernon, WI

Built 2001 Load: 32.4 t ADT: 107

CTH F

Good

Over: BILLINGS CREEK

0.9M W JCT CTH ZZ, Vernon, WI

Built 2002 Load: 32.4 t ADT: 53

CTH T

Good

Over: SPRING VALLY CREEK

2.0M N JCT USH 14, Vernon, WI

Built 2002 Load: 32.4 t ADT: 217

LRD HANSON LANE (D

Good

Over: COON CREEK

0.1M S JCT STH 162, Vernon, WI

Built 2006 Load: 32.4 t ADT: 30

CTH Q

Good

Over: BR S BRANCH CREEK

1.0 MILES SOUTH OF THE JU, Vernon, WI

Built 2021 Load: 32.4 t ADT: 520

STH 35

Good

Over: BATTLE HOLLOW CREEK

2.4 MILES NORTH OF THE JU, Vernon, WI

Built 2022 Load: 32.4 t ADT: 4,645

STH 70

Good

Over: SQUAW CREEK

22.2M E JCT STH 13, Vilas, WI

Built 1980 Load: 32.4 t ADT: 2,100

USH 45

Good

Over: PIONEER CREEK

AT PIONEER CREEK, Vilas, WI

Built 2009 Load: 32.4 t ADT: 3,600

USH 12

Good

Over: JACKSON CREEK

2.6 MI E JCT IH 43, Walworth, WI

Built 1968 Load: 32.4 t ADT: 18,800

STH 36

Good

Over: ORE CREEK

0.7M N JCT STH 120, Walworth, WI

Built 1986 Load: 32.4 t ADT: 2,800

CTH B

Good

Over: N BR NIPPERSINK CREEK

2.8M W JCT CTH H TO E, Walworth, WI

Built 1989 Load: 32.4 t ADT: 1,500

USH 12

Good

Over: SPRING BROOK

0.12 MI E JCT STH 89, Walworth, WI

Built 2002 Load: 32.4 t ADT: 7,500

LRD SHERIDAN SPRIN

Good

Over: WHITE R

0.1 MI S OF BUCKBY ROAD, Walworth, WI

Built 2005 Load: 32.4 t ADT: 1,400

STH 36

Good

Over: BR WHITE R

3.8 MI E JCT STH 120, Walworth, WI

Built 2009 Load: 32.4 t ADT: 4,700

LRD NORTH STREET

Good

Over: MILL RACE OF WW CREEK

.5M W JEFFERSON ST, Walworth, WI

Built 2012 Load: 32.4 t ADT: 1,400

LRD HOSPITAL RD

Good

Over: BR ORE CREEK

0.8M W JCT STH 36, Walworth, WI

Built 2020 Load: 32.4 t ADT: 930

LRD DAM RD

Good

Over: TURTLE CREEK

2.2M N JCT STH 11, Walworth, WI

Built 2017 Load: 32.4 t ADT: 500

LRD RASMUSSEN RD

Good

Over: BR LITTLE CHICOG CR

1M E JCT. STH 77, Washburn, WI

Built 2002 Load: 32.4 t ADT: 10

IH 41-USH 45 NB

Good

Over: BR CEDAR CREEK

1.1M N JCT STH 167, Washington, WI

Built 1975 Load: 32.4 t ADT: 31,550

STH 33

Good

Over: MILWAUKEE RIVER

1.3M E JCT USH 45, Washington, WI

Built 1975 Load: 32.4 t ADT: 18,800

LRD CEDAR PKWY

Good

Over: CEDAR CREEK

0.2M S JCT STH 60, Washington, WI

Built 1984 Load: 32.4 t ADT: 537

CTH H

Good

Over: BR W BR MILWAUKEE RIVER

0.9M W JCT HIGHLAND DR, Washington, WI

Built 1979 Load: 32.4 t ADT: 2,100

STH 60

Good

Over: CEDAR CREEK

2.0 MI E JCT USH 45, Washington, WI

Built 1981 Load: 32.4 t ADT: 7,200

CTH W

Good

Over: LIMESTONE CREEK

0.8M N JCT CTH S, Washington, WI

Built 2021 Load: 32.4 t ADT: 2,700

IH 41/USH 45 SB

Good

Over: BONNIWELL CREEK

0.7 MI S JCT STH 145, Washington, WI

Built 2015 Load: 32.4 t ADT: 31,550

CTH D

Good

Over: KOHLSVILLE RIVER

2.5 MI EAST JCT IH 41, Washington, WI

Built 2016 Load: 32.4 t ADT: 3,000

LRD PROGRESS DRIVE

Good

Over: QUAAS CREEK

0.8M E JCT CTH P, Washington, WI

Built 1990 Load: 32.4 t ADT: 168

LRD BROOKFIELD RD

Good

Over: DEER CREEK

0.3M S JCT USH 18, Waukesha, WI

Built 1998 Load: 32.4 t ADT: 6,800

LRD RIVERCREST DR

Good

Over: MENOMONEE RIVER

.03M S OF COUNTY LINE ROA, Waukesha, WI

Built 1999 Load: 32.4 t ADT: 7,300

STH 164

Good

Over: PEBBLE BROOK

4.1 MI N JCT IH 43, Waukesha, WI

Built 1967 Load: 32.4 t ADT: 22,000

IH RAMP, STH 100 -

Good

Over: BR MENOMONEE RIVER

0.2 MI S JCT STH 74, Waukesha, WI

Built 1962 Load: 32.4 t ADT: 4,200

LRD HEWITTS PT

Good

Over: OCONOMOWOC RIVER

2.8M N JCT STH 67, Waukesha, WI

Built 1989 Load: 32.4 t ADT: 2,667

STH 100

Good

Over: MENOMONEE RIVER

0.5 MI E JCT STH 145, Waukesha, WI

Built 1977 Load: 32.4 t ADT: 12,700

CTH Z

Good

Over: SCUPPERNONG CREEK

1.5M W JCT STH 67, Waukesha, WI

Built 1988 Load: 32.4 t ADT: 1,300

STH 59-GREENFIELD

Good

Over: POPLAR CREEK

1.8 MI E JCT STH 164, Waukesha, WI

Built 1993 Load: 32.4 t ADT: 16,100

STH 36 EB

Good

Over: MUSKEGO CANAL

7.5M N JCT STH 83 TO N, Waukesha, WI

Built 1995 Load: 32.4 t ADT: 12,900

CTH M (NORTH AVE)

Good

Over: UNDERWOOD CREEK

0.1 M W JCT CTH YY, Waukesha, WI

Built 1995 Load: 32.4 t ADT: 12,100

LRD BIG BEND RD

Good

Over: PEBBLE BROOK CREEK

0.5 M S JCT STH 59/164, Waukesha, WI

Built 1997 Load: 32.4 t ADT: 172

CTH E

Good

Over: OCONOMOWOC RIVER

0.3 MI S JCT CTH Q, Waukesha, WI

Built 2013 Load: 32.4 t ADT: 9,400

CTH LO

Good

Over: JERICHO CREEK

0.1 MI W. OF CTH E, Waukesha, WI

Built 2003 Load: 32.4 t ADT: 2,300

Showing 9,451-9,500 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.