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%.

Condition Distribution

Wisconsin51.3%41.1%GoodFairPoor
Bridge inventory deck-condition mix - Wisconsin (FHWA NBI)

Counties (72)

Adams 43 Ashland 92 Barron 321 Bayfield 103 Brown 478 Buffalo 239 Burnett 68 Calumet 63 Chippewa 366 Clark 297 Columbia 191 Crawford 212 Dane 624 Dodge 219 Door 32 Douglas 143 Dunn 252 Eau Claire 242 Florence 20 Fond du Lac 256 Forest 54 Grant 385 Green 249 Green Lake 50 Iowa 212 Iron 52 Jackson 220 Jefferson 186 Juneau 174 Kenosha 121 Kewaunee 93 La Crosse 250 Lafayette 217 Langlade 78 Lincoln 158 Manitowoc 272 Marathon 534 Marinette 136 Marquette 85 Menominee 25 Milwaukee 1005 Monroe 385 Oconto 149 Oneida 64 Outagamie 300 Ozaukee 107 Pepin 57 Pierce 248 Polk 77 Portage 192 Price 104 Racine 143 Richland 298 Rock 325 Rusk 152 Sauk 277 Sawyer 98 Shawano 162 Sheboygan 249 St. Croix 308 Taylor 176 Trempealeau 260 Vernon 333 Vilas 29 Walworth 209 Washburn 54 Washington 166 Waukesha 380 Waupaca 172 Waushara 54 Winnebago 264 Wood 242

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.

LRD MARKET RD

Poor

Over: BEAR CREEK

1.2M N JCT STH 76, Outagamie, WI

Built 1958 Load: 1.6 t ADT: 1,175

LRD WOODFORD DR

Poor

Over: RAILS TO TRAILS TRAIL

0.3M E JCT USH 45, Washington, WI

Built 1910 Load: 1.6 t ADT: 47

LRD ACCESS RD

Poor

Over: MENASHA CHANNEL

ACCESS TO PARKING LOT BY, Winnebago, WI

Built 1960 Load: 1.6 t ADT: 20

CTH A

Poor

Over: UNION PACIFIC RR

1.0M W JCT STH 73, Columbia, WI

Built 1910 Load: 3.2 t ADT: 197

LRD OLD 64 (DEAD E

Poor

Over: EVERGREEN CREEK

0.1M N JCT STH 64, Langlade, WI

Built 1916 Load: 3.2 t ADT: 6

LRD CORNELL LANE (

Poor

Over: BR COON CREEK

0.1M E JCT USH 14, Vernon, WI

Built 1985 Load: 3.2 t ADT: 10

All Bridges in Wisconsin

IH 39 NB / IH 90 W

Unknown

Over: LRD DROTNING ROAD

0.6M E JCT CTH BN, Dane, WI

Built 2018 ADT: 100

CTH BN

Unknown

Over: IH 39

6.6 MI N US 51 RAMP, Dane, WI

Built 2016 ADT: 57,800

LRD CHURCH STREET

Unknown

Over: IH 39

7 M N JCT USH 51, Dane, WI

Built 2016 ADT: 57,800

CTH N

Unknown

Over: IH 39 / IH 90

9.1 MI N OF JCT WITH USH, Dane, WI

Built 2017 ADT: 57,150

LRD WILLIAMS DRIVE

Unknown

Over: IH 39 / IH 90

4.5 M E JCT USH 12 TO E, Dane, WI

Built 2016 ADT: 59,200

IH 39 SB / IH 90 E

Unknown

Over: CTH MN

0.7M E JCT CTH AB, Dane, WI

Built 2019 ADT: 2,300

IH 39 NB / IH 90 W

Unknown

Over: CTH MN

0.7M E JCT CTH AB, Dane, WI

Built 2018 ADT: 2,600

CTH AB

Unknown

Over: IH 90 / IH 39

2.3M E JCT USH 12 TO E, Dane, WI

Built 2017 ADT: 59,200

IH 39/90 SB

Unknown

Over: LRD SIGGLEKOW RD

SIGGLEKOW RD, Dane, WI

Built 2014 ADT: 1,600

IH 39 NB / IH 90 W

Unknown

Over: LRD SIGGELKOW RD

0.4M W JCT CTH AB, Dane, WI

Built 2020 ADT: 1,400

IH I-39 NB/90 WB

Unknown

Over: USH 12/18 EB

T. OF BLOOMING GROVE, Dane, WI

Built 2021 ADT: 46,300

IH I-39 NB / I-90

Unknown

Over: USH 12/18 WB

T. OF BLOOMING GROVE, Dane, WI

Built 2021 ADT: 19,300

IH I-39 NB / I-90

Unknown

Over: USH RAMP TO USH 12/18 WB

T. OF BLOOMING GROVE, Dane, WI

Built 2021 ADT: 10,000

IH I-39 NB / I-90

Unknown

Over: LRD FEMRITE DRIVE

T. OF BLOOMING GROVE, Dane, WI

Built 2021 ADT: 3,300

USH 14 WB

Unknown

Over: LRD BYRNE RD

0.8M W JCT CTH MM, Dane, WI

Built 2021 ADT: 200

USH 12/18 EB & WB

Unknown

Over: STH 73

AT USH 12/18, Dane, WI

Built 2015 ADT: 3,500

USH 18 WB / USH 15

Unknown

Over: CTH PD / MCKEE ROAD

0.9 MI W JCT S SEMINOLE H, Dane, WI

Built 2019 ADT: 27,200

USH 18 EB / USH 15

Unknown

Over: CTH PD / MCKEE ROAD

0.9 MI W JCT S SEMINOLE H, Dane, WI

Built 2019 ADT: 28,250

LRD WILLIAMSBURG W

Unknown

Over: USH 18/151 (VERONA ROAD)

0.6 M N JCT CTH PD/MCKEE, Dane, WI

Built 2019 ADT: 54,900

PEDESTRIAN BRIDGE

Unknown

Over: LRD WALNUT ST NB & SB

AT BIKE PATH, Dane, WI

Built 2014 ADT: 1

CTH M/ SOUTH PLEAS

Unknown

Over: CTH PD WB / MCKEE RD UND

150 FT NORTH OF JCT WITH, Dane, WI

Built 2019 ADT: 10,400

ICE AGE TRAIL

Unknown

Over: CTH PD

2.3 MI W JCT WITH USH 151, Dane, WI

Built 2017 ADT: 13,500

BADGER STATE TRAIL

Unknown

Over: CTH PD

AT BADGER STATE TRAIL, Dane, WI

Built 2020 ADT: 29,900

MILITARY RIDGE STA

Unknown

Over: CTH CHT F / CAVE OF THE

0.2M N JCT USH 18, Dane, WI

Built 2015 ADT: 99

UNIVERSITY BAY DRI

Unknown

Over: LRD UNIVERSITY BAY DRIVE

05070000000 004, Dane, WI

CTH AB

Unknown

Over: USH 12/USH 18

2.0 MI E JCT IH 39/90, Dane, WI

Built 2023 ADT: 14,180

PEDESTRIAN WALKWAY

Unknown

Over: USH 151-W WASHINGTON AVE

2.3M N JCT USH 12 TO E, Dane, WI

Built 1969 ADT: 18,250

CTH MS / UNIVERSIT

Unknown

Over: LRD OLD MIDDLETON RD

3.2M E JCT USH 12, Dane, WI

Built 1934 ADT: 4,100

CNW RR

Unknown

Over: LRD VIADUCT RD

0.5M E JCT STH 113, Dane, WI

Built 1896 ADT: 45

MILITARY RIDGE STA

Unknown

Over: LRD FITCHRONA RD

2.9M N JCT CTH M, Dane, WI

Built 1984 ADT: 815

CNW RR

Unknown

Over: LRD LOCUST GROVE RD

0.8M W JCT CTH MM, Dane, WI

Built 1916 ADT: 50

CNW RR

Unknown

Over: CTH CC JEFFERSON ST

0.1M W JCT USH 14, Dane, WI

Built 1900 ADT: 740

CNW RR

Unknown

Over: LRD S MAIN ST

0.5M S JCT USH 14, Dane, WI

Built 1880 ADT: 250

CMSTPP RR

Unknown

Over: LRD GARDEN ST

0.4M S JCT USH 51, Dane, WI

Built 1920 ADT: 400

CNW RR

Unknown

Over: LRD TROY DR

0.7M W JCT STH 113, Dane, WI

Built 1880 ADT: 2,300

CNW RR

Unknown

Over: LRD BRAM ST

0.2M E JCT USH 151, Dane, WI

Built 1920 ADT: 1,000

CNW RR

Unknown

Over: LRD SHERIDAN DR

1.3M W JCT STH 113, Dane, WI

Built 1967 ADT: 1,000

PEDESTRIAN WALKWAY

Unknown

Over: LRD S PARK ST

0.2M N JCT USH 151, Dane, WI

Built 1969 ADT: 22,550

CMSTPP RR

Unknown

Over: LRD WALNUT ST

1.7M W JCT USH 151, Dane, WI

Built 1930 ADT: 5,000

PEDESTRIAN WALKWAY

Unknown

Over: LRD CAMPUS DR

1.2M W JCT USH 151, Dane, WI

Built 1977 ADT: 41,400

MILITARY RIDGE TRA

Unknown

Over: LRD RED WOLF CIRCLE

04450000000 004, Dane, WI

USH STH 73-USH B15

Unknown

Over: USH 151

2.5M N JCT STH 16 (N), Dodge, WI

Built 1976 ADT: 21,500

USH 151 SB

Unknown

Over: STH 49

0.8M N JCT CTH I, Dodge, WI

Built 1961 ADT: 7,200

USH 151 NB

Unknown

Over: STH 49

0.7M N JCT CTH I, Dodge, WI

Built 1961 ADT: 7,200

CTH M CENTER STR

Unknown

Over: STH 16

2.8M E JCT CTH Q, Dodge, WI

Built 1960 ADT: 6,300

LRD CENTER RD

Unknown

Over: USH 151

1.9M N JCT CTH DE, Dodge, WI

Built 1962 ADT: 21,600

LRD INDUSTRIAL DR

Unknown

Over: USH 151

1.6M N JCT STH 33 TO E, Dodge, WI

Built 1963 ADT: 21,600

CTH G

Unknown

Over: STH 16-STH 60

0.7M E JCT CTH J TO S, Dodge, WI

Built 1967 ADT: 3,900

STH 60

Unknown

Over: LRD LEVEL VALLEY RD

0.4M S JCT STH 109, Dodge, WI

Built 1967 ADT: 520

STH 60

Unknown

Over: CTH R

4.0M N JCT CTH ME, Dodge, WI

Built 1967 ADT: 1,600

Showing 601-650 of 14,851 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
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.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

Read our methodology — how this data is sourced, computed, and verified.

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.