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 DOLPHIN RD

Good

Over: MILL CREEK

0.3M N JCT CTH G, Monroe, WI

Built 2019 Load: 36.3 t ADT: 125

LRD BACKTRAIL ROAD

Good

Over: UNNAMED STREAM

0.4 MI W OF BADGER RD, Monroe, WI

Built 2018 Load: 36.3 t ADT: 100

LRD BAY SHORE RD

Good

Over: GREEN BAY TRIBUTARY

0.5M S JCT CTH Y, Oconto, WI

Built 2011 Load: 36.3 t ADT: 103

LRD SLEETER RD

Good

Over: PESHTIGO BROOK

1.3M W JCT CTH Z, Oconto, WI

Built 2016 Load: 36.3 t ADT: 220

CTH CC

Good

Over: BR APPLE CREEK

0.2M SOUTH STH55, Outagamie, WI

Built 2021 Load: 36.3 t ADT: 1,180

LRD COUNTY LINE RD

Good

Over: BR PLUM CREEK

1.5M N JCT CTH Z, Outagamie, WI

Built 2023 Load: 36.3 t ADT: 49

USH 10

Good

Over: PLUM CREEK

0.1M E JCT CTH S, Pierce, WI

Built 2019 Load: 36.3 t ADT: 2,200

LRD W RIVER DRIVE

Good

Over: ROCKY RUN

1.4M E JCT CTH P, Portage, WI

Built 2009 Load: 36.3 t ADT: 309

LRD TOWER ROAD

Good

Over: TENMILE CREEK

0.6 MILES EAST OF CTH U, Portage, WI

Built 2016 Load: 36.3 t ADT: 100

STH 102

Good

Over: S FK SPIRIT R

6 MILE SOUTH OF STH 86, Price, WI

Built 2011 Load: 36.3 t ADT: 390

CTH U

Good

Over: TRIB TO W BRANCH CANAL

0.6M N STH 20, Racine, WI

Built 2012 Load: 36.3 t ADT: 1,200

STH 56/80

Good

Over: FANCY CREEK

0.1M E JCT STH 80 TO N, Richland, WI

Built 2018 Load: 36.3 t ADT: 3,300

LRD CARVERS ROCK R

Good

Over: TURTLE CREEK

4.0M S JCT USH 14, Rock, WI

Built 2017 Load: 36.3 t ADT: 231

CTH G

Good

Over: WATERWAY

7 M N JCT STH 81, Rock, WI

Built 2015 Load: 36.3 t ADT: 9,000

IH 39 SB/90 EB

Good

Over: CMSTPP RR / SPRING BROOK

0.6M E JCT IH 43 TO S, Rock, WI

Built 2021 Load: 36.3 t ADT: 29,550

IH 39 SB / IH 90 E

Good

Over: SPRING BROOK / SPRING BR

2.3M E JCT USH 14 TO E, Rock, WI

Built 2019 Load: 36.3 t ADT: 38,500

IH 39 NB / IH 90 W

Good

Over: SPRING BROOK / SPRING BR

PLEASE UPDATE LOCATION, Rock, WI

Built 2018 Load: 36.3 t ADT: 38,500

STH 40

Good

Over: DEVILS CREEK

1.3M N JCT CTH O, Rusk, WI

Built 2021 Load: 36.3 t ADT: 1,000

LRD SKINNER CREEK

Good

Over: SKINNER CREEK

2.6M W JCT CTH M, Rusk, WI

Built 2021 Load: 36.3 t ADT: 250

CTH G

Good

Over: BARABOO RIVER

AT BARABOO RIVER, Sauk, WI

Built 2009 Load: 36.3 t ADT: 480

LRD TOWER ROAD

Good

Over: CLARK CREEK

.1 MI E. OF JCT W/ STH 13, Sauk, WI

Built 2013 Load: 36.3 t ADT: 202

STH 136

Good

Over: SKILLETT CREEK

0.1M E JCT USH 12, Sauk, WI

Built 2021 Load: 36.3 t ADT: 1,600

STH 40

Good

Over: COUDERAY RIVER

7.5M N JCT STH 48, Sawyer, WI

Built 2017 Load: 36.3 t ADT: 420

CTH HHH

Good

Over: SHAWANO CREEK

0.6 MI. N. JCT. STH 29, Shawano, WI

Built 2022 Load: 36.3 t ADT: 6,300

LRD JAMES ST

Good

Over: PICKEREL CREEK

0.02 MI E JCT SOUTH WARRI, Shawano, WI

Built 2021 Load: 36.3 t ADT: 50

LRD RISSEEUW ROAD

Good

Over: HAND CREEK

0.1M E JCT CTH GW, Sheboygan, WI

Built 2022 Load: 36.3 t ADT: 55

LRD WILLOW RD

Good

Over: OTTER CREEK

0.2M S JCT CTH J, Sheboygan, WI

Built 2022 Load: 36.3 t ADT: 130

IH 94 EB

Good

Over: RUSH RIVER

2.3M E JCT CTH T TO N, St. Croix, WI

Built 2023 Load: 36.3 t ADT: 19,000

LRD SYLLA RD (DEAD

Good

Over: BORST VALLEY CREEK

0.2M E JCT CTH V, Trempealeau, WI

Built 2010 Load: 36.3 t ADT: 100

IH 94 EB

Good

Over: BUFFALO RIVER

6.4M E JCT CTH HH TO N, Trempealeau, WI

Built 2020 Load: 36.3 t ADT: 13,950

IH 94 WB

Good

Over: BUFFALO RIVER

0.9M W JCT USH 10 TO E, Trempealeau, WI

Built 2019 Load: 36.3 t ADT: 13,950

LRD LEQUE LANE (DE

Good

Over: N FK BEAVER CREEK

0.2M N JCT CTH C, Trempealeau, WI

Built 2017 Load: 36.3 t ADT: 20

LRD NORDIE LANE (D

Good

Over: N FK BEAVER CREEK

0.1M N JCT CTH C, Trempealeau, WI

Built 2017 Load: 36.3 t ADT: 20

LRD KOWAHL ROAD (D

Good

Over: NORTH BRANCH ELK CREEK

0.1M W JCT CTH D, Trempealeau, WI

Built 2022 Load: 36.3 t ADT: 11

STH 93

Good

Over: TROUT CREEK

0.1M N JCT CTH V TO E, Trempealeau, WI

Built 2023 Load: 36.3 t ADT: 4,200

LRD GARDNER ROAD

Good

Over: BR HORNBY HOLLOW CREEK

1.9M N JCT STH 27, Vernon, WI

Built 2009 Load: 36.3 t ADT: 103

LRD 24 VALLEY RD

Good

Over: WEISTER CREEK

3.0M W JCT STH 131, Vernon, WI

Built 2015 Load: 36.3 t ADT: 65

STH 35

Good

Over: COON CREEK

5.2M N JCT STH 56, Vernon, WI

Built 2020 Load: 36.3 t ADT: 5,400

CTH P

Good

Over: CLARK CREEK

0.7M E JCT CTH D, Vernon, WI

Built 2023 Load: 36.3 t ADT: 153

LRD SPRING VALLEY

Good

Over: SAND CREEK

1.65M S JCT STH 36, Walworth, WI

Built 2012 Load: 36.3 t ADT: 979

USH 14

Good

Over: TURTLE CREEK

1.8 MI E JCT STH 89, Walworth, WI

Built 2019 Load: 36.3 t ADT: 7,400

LRD TRADING POST T

Good

Over: N BRANCH OF MILWAUKEE RI

3.2 MILES E OF JUNCTION W, Washington, WI

Built 2022 Load: 36.3 t ADT: 295

IH 41 SB

Good

Over: TRIBUTARY TO E BRANCH RO

2.9 MI S JCT CTH D, Washington, WI

Built 2020 Load: 36.3 t ADT: 15,750

LRD WACKER DR

Good

Over: RUBICON RIVER

0.2M N JCT STH 60, Washington, WI

Built 2020 Load: 36.3 t ADT: 5,000

STH 83 SB

Good

Over: SPRING BROOK

1.2 MI S JCT STH 59, Waukesha, WI

Built 2011 Load: 36.3 t ADT: 3,200

USH 18 WB

Good

Over: WETLANDS

0.25 MI N JCT STH 59, Waukesha, WI

Built 2019 Load: 36.3 t ADT: 6,100

USH 18 EB

Good

Over: WETLANDS

2.95 MI S JCT USH 318, Waukesha, WI

Built 2019 Load: 36.3 t ADT: 7,200

LRD EMMONS CREEK R

Good

Over: EMMONS CREEK

0.1M E W RD, Waupaca, WI

Built 2017 Load: 36.3 t ADT: 110

CTH E

Good

Over: PINE RIVER

0.1M N JCT CTH H TO W, Waushara, WI

Built 2013 Load: 36.3 t ADT: 640

LRD ADAMS ST

Good

Over: NEENAH SLOUGH

0.1M E OF S. LAKE ST., Winnebago, WI

Built 2010 Load: 36.3 t ADT: 9,600

Showing 11,001-11,050 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.