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

CTH F

Poor

Over: E BR BIG EAU PLEINE RIVE

0.6M N JCT CTH A, Marathon, WI

Built 1962 Load: 19.4 t ADT: 665

CTH S

Poor

Over: LITTLE EAU PLEINE RIVER

1.3M S JCT CTH C, Marathon, WI

Built 1964 Load: 19.4 t ADT: 590

LRD WOODLAND DR

Poor

Over: BR LITTLE RIB RIVER

1.7M E JCT CTH O, Marathon, WI

Built 1929 Load: 19.4 t ADT: 110

LRD ASPEN RD

Poor

Over: SCOTCH CREEK

0.8M N JCT CTH H, Marathon, WI

Built 1968 Load: 19.4 t ADT: 271

LRD POPE AVE

Poor

Over: BR W BR BIG EAU PLEINE R

1.6M N JCT CTH A, Marathon, WI

Built 1930 Load: 19.4 t ADT: 90

LRD NAUGART DR

Poor

Over: W FK LT RIB RIVER

0.1M W JCT STH 107, Marathon, WI

Built 1990 Load: 19.4 t ADT: 41

CTH W

Poor

Over: LITTLE PESHTIGO RIVER

1.3M N JCT STH 64, Marinette, WI

Built 1920 Load: 19.4 t ADT: 1,700

CTH C

Poor

Over: WAUSAUKEE RIVER

0.7M E JCT CTH A, Marinette, WI

Built 1920 Load: 19.4 t ADT: 560

LRD IRR (W BRANCH

Poor

Over: W BR WOLF RIVER

3.1M N JCT CTH C, Menominee, WI

Built 1930 Load: 19.4 t ADT: 47

LRD W HOWARD AVE

Poor

Over: MINER CREEK

0.3M W JCT STH "241", Milwaukee, WI

Built 1984 Load: 19.4 t ADT: 8,100

LRD N 51ST ST

Poor

Over: BEAVER CREEK

0.4M N JCT STH 100, Milwaukee, WI

Built 1968 Load: 19.4 t ADT: 2,900

LRD S 72ND ST

Poor

Over: HONEY CREEK

0.1M S JCT CTH NN, Milwaukee, WI

Built 1954 Load: 19.4 t ADT: 747

LRD FAIRMONT AVE (

Poor

Over: BIG CREEK

2.5M N JCT CTH B, Monroe, WI

Built 1960 Load: 19.4 t ADT: 20

CTH L

Poor

Over: BEARSKIN CREEK

6.8M N JCT USH 8 TO W, Oneida, WI

Built 1932 Load: 19.4 t ADT: 3,640

CTH K

Poor

Over: O'DAY LAKE

3.0M E JCT USH 51, Oneida, WI

Built 1987 Load: 19.4 t ADT: 1,500

CTH VV

Poor

Over: S BR SUAMICO RIVER

0.7M E JCT CTH U, Outagamie, WI

Built 1925 Load: 19.4 t ADT: 1,100

CTH O

Poor

Over: BR S FK KINNICKINNIC R

0.2M S JCT STH 65, Pierce, WI

Built 1986 Load: 19.4 t ADT: 957

CTH I

Poor

Over: CLAM RIVER

1.8M W JCT CTH O, Polk, WI

Built 1948 Load: 19.4 t ADT: 857

STH 243

Poor

Over: ST CROIX RIVER 06

AT MINNESOTA STATE LINE, Polk, WI

Built 1953 Load: 19.4 t ADT: 5,686

LRD 350TH AVE

Poor

Over: WOOD RIVER

1.5M W JCT STH 35, Polk, WI

Built 1970 Load: 19.4 t ADT: 173

CTH WW

Poor

Over: FOUR MILE CREEK

0.75M W. CTH FF, Portage, WI

Built 2007 Load: 19.4 t ADT: 565

CTH II

Poor

Over: BEAR CREEK

1.1M N JCT CTH PP, Portage, WI

Built 1975 Load: 19.4 t ADT: 107

LRD OLD USH 8

Poor

Over: HAY CREEK

2.8M W JCT STH 13, Price, WI

Built 1921 Load: 19.4 t ADT: 111

CTH D

Poor

Over: N FK SPIRIT RIVER

1.0M N JCT STH 86, Price, WI

Built 1965 Load: 19.4 t ADT: 196

LRD W OVERSON RD

Poor

Over: GOOSE LAKE BRANCH CANAL

0.4M S JCT CTH K, Racine, WI

Built 1964 Load: 19.4 t ADT: 94

LRD MT TOM RD

Poor

Over: HOOSIER CREEK

0.7M W JCT CTH J, Racine, WI

Built 1965 Load: 19.4 t ADT: 411

LRD FOREST HILLS R

Poor

Over: BR ROOT RIVER

0.3M E JCT STH 38, Racine, WI

Built 1940 Load: 19.4 t ADT: 50

CTH C

Poor

Over: E BR ROOT RIVER CANAL

3.5M E JCT USH 45, Racine, WI

Built 1939 Load: 19.4 t ADT: 5,500

STH 130-STH 133

Poor

Over: LONG LAKE

0.6M N JCT STH 133 TO S, Richland, WI

Built 1932 Load: 19.4 t ADT: 1,900

CTH A

Poor

Over: BR HORSE CREEK

1.8M E JCT CTH Z, Richland, WI

Built 1950 Load: 19.4 t ADT: 520

LRD CALEDONIA RD

Poor

Over: YAHARA RIVER

1.2M W JCT STH 184, Rock, WI

Built 1966 Load: 19.4 t ADT: 215

LRD N FOOTVILLE RD

Poor

Over: BR STEVENS CREEK

1.5M S JCT CTH A, Rock, WI

Built 1980 Load: 19.4 t ADT: 23

USH 8

Poor

Over: LITTLE SOFT MAPLE CREEK

1.7M E JCT CTH F TO S, Rusk, WI

Built 1938 Load: 19.4 t ADT: 3,400

STH 73

Poor

Over: CRAZY HORSE CREEK

4.0M N JCT STH 194, Rusk, WI

Built 1989 Load: 19.4 t ADT: 460

CTH X

Poor

Over: BARABOO RIVER

0.2M E JCT STH 33, Sauk, WI

Built 1956 Load: 19.4 t ADT: 790

CTH N

Poor

Over: SUGAR GROVE CREEK

0.5M W JCT STH 23, Sauk, WI

Built 1955 Load: 19.4 t ADT: 320

LRD PICKEL RD

Poor

Over: BR NARROWS CREEK

0.1M E JCT CTH K, Sauk, WI

Built 1950 Load: 19.4 t ADT: 155

LRD BASS RD

Poor

Over: HAY CREEK

0.1M W JCT CTH K, Sauk, WI

Built 1930 Load: 19.4 t ADT: 118

LRD THORNAPPLE GRA

Poor

Over: THORNAPPLE RIVER

6.7M N JCT CTH J, Sawyer, WI

Built 1950 Load: 19.4 t ADT: 22

LRD SHORT LANE

Poor

Over: PACKARD CREEK

0.1M E JCT USH 45, Shawano, WI

Built 1943 Load: 19.4 t ADT: 100

CTH TT

Poor

Over: SHEBOYGAN RIVER

0.1M N JCT STH 23, Sheboygan, WI

Built 1958 Load: 19.4 t ADT: 352

CTH C

Poor

Over: BIG RIB RIVER

3.0M N JCT CTH M, Taylor, WI

Built 1956 Load: 19.4 t ADT: 1,127

LRD GRAHL DR

Poor

Over: E BR LITTLE BLACK RIVER

2.1M N JCT STH 64, Taylor, WI

Built 1972 Load: 19.4 t ADT: 65

LRD CENTER AVE

Poor

Over: BLACK RIVER

2.3M N JCT STH 64, Taylor, WI

Built 1955 Load: 19.4 t ADT: 94

LRD HAMM DR

Poor

Over: TRAPPERS CREEK

2.1M S JCT CTH A, Taylor, WI

Built 1960 Load: 19.4 t ADT: 92

LRD RUBY DR

Poor

Over: DEER CREEK

1.3M S JCT CTH A, Taylor, WI

Built 1970 Load: 19.4 t ADT: 58

LRD ROBIN DR

Poor

Over: DEER CREEK

1.9M S JCT CTH A, Taylor, WI

Built 1970 Load: 19.4 t ADT: 58

CTH F

Poor

Over: N FK EAU CLAIRE RIVER

5.8M E JCT STH 73, Taylor, WI

Built 1960 Load: 19.4 t ADT: 256

CTH D

Poor

Over: ELK CREEK

0.2M N JCT CTH E, Trempealeau, WI

Built 1958 Load: 19.4 t ADT: 542

CTH G

Poor

Over: BR PINE CREEK

1.6M N JCT CTH J, Trempealeau, WI

Built 1915 Load: 19.4 t ADT: 531

Showing 14,251-14,300 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.