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

LRD STH A

Unknown

Over: STH 64

AT 110TH ST, St. Croix, WI

Built 2006 ADT: 8,700

LRD HANLEY ROAD

Unknown

Over: STH 35

HANLEY ROAD, St. Croix, WI

Built 2005 ADT: 17,500

LRD COULEE RD

Unknown

Over: STH 35

3.2M N JCT STH 65, St. Croix, WI

Built 2012 ADT: 17,400

STH 64

Unknown

Over: ST. CROIX RIVER

3 MI S JCT HWY 96, St. Croix, WI

Built 2017 ADT: 11,928

STH 35

Unknown

Over: STH 64

AT STH 35, St. Croix, WI

Built 2015 ADT: 1

STH CTH E

Unknown

Over: STH 64

LOCATION UNKNOWN, PLEASE, St. Croix, WI

Built 2015 ADT: 32,120

LRD RADIO ROAD

Unknown

Over: STH 35

AT RADIO RD, St. Croix, WI

Built 2015 ADT: 16,950

CTH B

Unknown

Over: IH 94

AT CTH B, St. Croix, WI

Built 2013 ADT: 36,800

IH 94 WB

Unknown

Over: LRD 50TH AVE

2.5M E JCT STH 128, St. Croix, WI

Built 2019 ADT: 112

IH 94 EAST

Unknown

Over: LRD 50TH AVE

0.4 MI E JCT 320TH ST, St. Croix, WI

Built 2020 ADT: 112

IH 94 WB

Unknown

Over: LRD 310 ST

1.4M N JCT CTH N, St. Croix, WI

Built 2019 ADT: 230

IH 94 EB

Unknown

Over: LRD 310TH ST

300 FT S JCT 53RD AVE, St. Croix, WI

Built 2020 ADT: 230

STH 65

Unknown

Over: IH 94

1.2M N JCT CTH N, St. Croix, WI

Built 2013 ADT: 69,000

IH 94 WB

Unknown

Over: LRD 130TH STREET

0.2M N JCT CTH N, St. Croix, WI

Built 2019 ADT: 325

IH 94 EB

Unknown

Over: LRD 130TH STREET

0.2M N JCT CTH N, St. Croix, WI

Built 2019 ADT: 325

LRD HIGHLAND DRIVE

Unknown

Over: IH 94

2.7M E JCT STH 65 TO N, St. Croix, WI

Built 2017 ADT: 51,800

CTH J NB & SB

Unknown

Over: IH 94

2.5 MI W JCT CTH T, St. Croix, WI

Built 2016 ADT: 34,100

CTH T

Unknown

Over: IH 94

6.7 MI E JCT STH 65 TO N, St. Croix, WI

Built 2016 ADT: 44,400

LRD 200TH ST

Unknown

Over: IH 94

1.0 MI W JCT WITH STH 63, St. Croix, WI

Built 2016 ADT: 39,000

LRD 233RD STREET

Unknown

Over: IH 94

2.2M E JCT USH 63 TO N, St. Croix, WI

Built 2016 ADT: 32,100

CTH BB

Unknown

Over: IH 94 EB & WB

2.9M E JCT USH 63 TO N, St. Croix, WI

Built 2016 ADT: 34,100

STH 128

Unknown

Over: IH 94

4.1M E JCT CTH B TO N, St. Croix, WI

Built 2017 ADT: 39,200

IH 94 WB

Unknown

Over: CTH NN

1.9M N JCT CTH N, St. Croix, WI

Built 2022 ADT: 140

IH 94 EB

Unknown

Over: CTH NN

1.9M N JCT CTH N, St. Croix, WI

Built 2023 ADT: 140

CNW RR

Unknown

Over: STH 35-2ND ST

1.8M N JCT IH 94 TO W, St. Croix, WI

Built 1934 ADT: 99

SOO LINE

Unknown

Over: CTH S

2.0M E JCT CTH O TO S, St. Croix, WI

Built 1950 ADT: 130

WISC CENTL LTD

Unknown

Over: LRD 95TH ST.

1.9M S JCT STH 64, St. Croix, WI

Built 1950 ADT: 80

SOO LINE

Unknown

Over: CTH X

2.8M N JCT STH 128, St. Croix, WI

Built 1920 ADT: 170

SOO LINE

Unknown

Over: LRD TOWN RD

1.2M E JCT STH 128, St. Croix, WI

Built 1962 ADT: 50

CNW RR

Unknown

Over: LRD LABARGE RD

0.4M N JCT USH 12, St. Croix, WI

Built 1898 ADT: 80

SOO LINE

Unknown

Over: LRD I MAIN ST

0.6M S JCT STH 35, St. Croix, WI

Built 1900 ADT: 570

CNW RR

Unknown

Over: LRD D LOCKWOOD ST

0.2M S JCT USH 12, St. Croix, WI

Built 1912 ADT: 1,860

USH 53-MAIN ST

Unknown

Over: CTH K

0.7M N JCT STH 35, Trempealeau, WI

Built 1997 ADT: 99

USH 10 EB

Unknown

Over: IH 94

AT USH 10, Trempealeau, WI

Built 2003 ADT: 26,400

IH 94 EB

Unknown

Over: CTH NN / BUFFALO RIVER S

0.9M N JCT USH 10, Trempealeau, WI

Built 2020 ADT: 250

IH 94 WB

Unknown

Over: CTH NN / BUFFALO RIVER S

0.9M N JCT USH 10, Trempealeau, WI

Built 2019 ADT: 250

LRD INDIAN MOUND R

Unknown

Over: USH 12

INDIAN MOUND ROAD, Walworth, WI

Built 2004 ADT: 6,200

CTH B

Unknown

Over: USH 12

7.4M E JCT STH 50 TO E, Walworth, WI

Built 1965 ADT: 11,500

CTH U

Unknown

Over: USH 12

5.8M E JCT STH 50 TO E, Walworth, WI

Built 1965 ADT: 11,500

USH 12 EB

Unknown

Over: LRD PELL LAKE DR

0.6M W JCT CTH U, Walworth, WI

Built 1965 ADT: 4,600

USH 12 WB

Unknown

Over: LRD PELL LAKE DR

0.6M W JCT CTH U, Walworth, WI

Built 1965 ADT: 4,300

LRD CLOVER RD

Unknown

Over: USH 12

3.2M E JCT STH 50 TO E, Walworth, WI

Built 1965 ADT: 15,100

LRD BLOOMFIELD RD

Unknown

Over: USH 12

1.9M E JCT STH 50 TO E, Walworth, WI

Built 1965 ADT: 15,100

LRD TOWN LINE RD

Unknown

Over: USH 12

1.1M E JCT STH 50 TO E, Walworth, WI

Built 1965 ADT: 12,000

LRD SHERIDAN SPRIN

Unknown

Over: USH 12

0.2M E JCT STH 120, Walworth, WI

Built 1967 ADT: 21,600

USH 12 WB

Unknown

Over: STH 120

2.4M S JCT STH 36 TO N, Walworth, WI

Built 1967 ADT: 6,700

USH 12 EB

Unknown

Over: STH 120

2.4M S JCT STH 36 TO N, Walworth, WI

Built 1967 ADT: 6,700

USH 12 EB

Unknown

Over: CTH NN

0.4M N JCT CTH H, Walworth, WI

Built 1967 ADT: 3,100

USH 12 WB

Unknown

Over: CTH NN

0.4M N JCT CTH H, Walworth, WI

Built 1967 ADT: 3,100

LRD SPRINGFIELD RD

Unknown

Over: USH 12

3.2M E JCT IH 43 TO N, Walworth, WI

Built 1968 ADT: 18,800

Showing 2,451-2,500 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.