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

STH 27

Fair

Over: DUSTIN CREEK

0.1M N JCT CTH I, Monroe, WI

Built 1938 Load: 34.0 t ADT: 3,300

LRD LAMB AVE

Fair

Over: LITTLE LA CROSSE RIVER

0.3M E JCT STH 27, Monroe, WI

Built 1975 Load: 34.0 t ADT: 35

LRD INDEPENDENCE R

Fair

Over: SILVER CREEK

0.3M N JCT CTH A, Monroe, WI

Built 1936 Load: 34.0 t ADT: 10

LRD GROTTO AVE (DE

Fair

Over: ALLEN CREEK

1.3M E JCT CTH PP, Monroe, WI

Built 1983 Load: 34.0 t ADT: 10

CTH BC

Fair

Over: BIG CREEK

2.2M N JCT STH 16, Monroe, WI

Built 1978 Load: 34.0 t ADT: 501

CTH Z

Fair

Over: POE CREEK

0.4M E JCT STH 131, Monroe, WI

Built 1977 Load: 34.0 t ADT: 180

CTH S COLLINS AV

Fair

Over: OCONTO RIVER

0.1M S JCT CTH Y, Oconto, WI

Built 1992 Load: 34.0 t ADT: 1,900

LRD RIVERSIDE RD

Fair

Over: N BR OCONTO RIVER

0.1M W JCT CTH F, Oconto, WI

Built 1913 Load: 34.0 t ADT: 40

LRD SANDALWOOD RD

Fair

Over: PENSAUKEE RIVER

0.7M N JCT CTH D, Oconto, WI

Built 1974 Load: 34.0 t ADT: 85

LRD SULLIVAN SPRIN

Fair

Over: N BR OCONTO RIVER

2.8M S JCT CTH F, Oconto, WI

Built 1967 Load: 34.0 t ADT: 35

CTH W

Fair

Over: THUNDER LAKE

1.1M W JCT STH 17, Oneida, WI

Built 1977 Load: 34.0 t ADT: 320

LRD N BIG LAKE LOO

Fair

Over: EAGLE RIVER

2.1M E JCT USH 45, Oneida, WI

Built 1990 Load: 34.0 t ADT: 399

CTH KK

Fair

Over: BR KANKAPOT CREEK

0.6M E JCT STH 55, Outagamie, WI

Built 1948 Load: 34.0 t ADT: 3,997

CTH OO

Fair

Over: BONGERS CREEK

1.4M E JCT CTH E, Outagamie, WI

Built 1936 Load: 34.0 t ADT: 20,705

CTH Z DODGE ST

Fair

Over: KANKAPOT CREEK

0.2M E JCT STH 55, Outagamie, WI

Built 1978 Load: 34.0 t ADT: 6,300

STH 47-MEMORIAL DR

Fair

Over: FOX RIVER

1.3M N JCT CTH P TO W, Outagamie, WI

Built 1982 Load: 34.0 t ADT: 22,969

LRD HOLLAND ROAD

Fair

Over: APPLE CREEK

0.1M N JCT CTH JJ, Outagamie, WI

Built 1986 Load: 34.0 t ADT: 540

CTH JJ

Fair

Over: APPLE CREEK

1.9M E JCT CTH E, Outagamie, WI

Built 1987 Load: 34.0 t ADT: 3,400

LRD SPURR RD

Fair

Over: EMBARASS RIVER

0.3M N JCT STH 54, Outagamie, WI

Built 1987 Load: 34.0 t ADT: 171

LRD PROVIDENCE AVE

Fair

Over: APPLE CREEK CHANNEL

0.05 M N OF CTH EE, Outagamie, WI

Built 2011 Load: 34.0 t ADT: 1

LRD OLDE ONEIDA ST

Fair

Over: NAVIGATION CANAL

0.4M N JCT USH 10, Outagamie, WI

Built 1959 Load: 34.0 t ADT: 3,684

LRD COLUMBIA ROAD

Fair

Over: CEDAR CREEK

0.1M E OF WASHINGTON AVE, Ozaukee, WI

Built 1949 Load: 34.0 t ADT: 7,200

CTH NN

Fair

Over: CEDAR CREEK

1.1M E JCT CTH Y, Ozaukee, WI

Built 1992 Load: 34.0 t ADT: 5,800

STH 60

Fair

Over: MILWAUKEE RIVER

0.1M W JCT CTH V, Ozaukee, WI

Built 1990 Load: 34.0 t ADT: 22,700

CTH N

Fair

Over: LITTLE PLUM CREEK

2.3M W JCT CTH D, Pepin, WI

Built 1965 Load: 34.0 t ADT: 862

STH 29

Fair

Over: BR RUSH RIVER

0.7M E JCT USH 63 TO S, Pierce, WI

Built 1937 Load: 34.0 t ADT: 2,300

CTH B

Fair

Over: TRADE RIVER

2.0M S JCT CTH Z, Polk, WI

Built 1985 Load: 34.0 t ADT: 607

CTH F BROADWAY ST

Fair

Over: APPLE RIVER

0.3M E JCT STH 46, Polk, WI

Built 1989 Load: 34.0 t ADT: 6,076

LRD W CHURCH RD

Fair

Over: APPLE RIVER

0.1M N JCT STH 65, Polk, WI

Built 1975 Load: 34.0 t ADT: 700

LRD CTH KK (OLD US

Fair

Over: WCL RR

0.4M E JCT CTY Q, Portage, WI

Built 1968 Load: 34.0 t ADT: 3,588

STH 66

Fair

Over: PLOVER RIVER

0.2M E JCT CTH Y, Portage, WI

Built 1985 Load: 34.0 t ADT: 3,400

CTH KK

Fair

Over: TOMORROW RIVER

0.2M E JCT CTH A TO N, Portage, WI

Built 2006 Load: 34.0 t ADT: 3,488

CTH DB

Fair

Over: LITTLE EAU CLAIRE RIVER

0.7M N JCT USH 51, Portage, WI

Built 1942 Load: 34.0 t ADT: 473

LRD TAFT AVE

Fair

Over: BUENA VISTA CREEK

3.6M N JCT CTH W, Portage, WI

Built 1981 Load: 34.0 t ADT: 212

STH 70

Fair

Over: S FK FLAMBEAU RIVER

0.2M E JCT STH 13, Price, WI

Built 1951 Load: 34.0 t ADT: 1,800

LRD 6TH ST

Fair

Over: ROOT RIVER

0.3M W JCT STH 20, Racine, WI

Built 1983 Load: 34.0 t ADT: 6,800

LRD THREE MILE RD

Fair

Over: W BR ROOT RIVER CANAL

1.4M E JCT CTH U, Racine, WI

Built 1998 Load: 34.0 t ADT: 108

CTH I

Fair

Over: HAWKINS CREEK

0.7M E JCT STH 80, Richland, WI

Built 1980 Load: 34.0 t ADT: 501

CTH I

Fair

Over: HAWKINS CREEK

1.0M E JCT STH 80, Richland, WI

Built 1980 Load: 34.0 t ADT: 501

LRD SMYTH HOLLOW R

Fair

Over: WILLOW CREEK

0.1M E JCT STH 58, Richland, WI

Built 1986 Load: 34.0 t ADT: 230

STH 80

Fair

Over: HANZEL CREEK

1.8M N JCT CTH C, Richland, WI

Built 1988 Load: 34.0 t ADT: 1,400

LRD SECTION HOLLOW

Fair

Over: HAWKINS CREEK

0.5M E JCT STH 80, Richland, WI

Built 1987 Load: 34.0 t ADT: 20

LRD LUTTIG LN (DEA

Fair

Over: E BR MILL CREEK

0.1M E JCT CTH Z, Richland, WI

Built 1988 Load: 34.0 t ADT: 15

LRD BEATTY DRIVE

Fair

Over: PINE RIVER

0.1M S JCT CTH C, Richland, WI

Built 1990 Load: 34.0 t ADT: 45

LRD DIX LANE (DEAD

Fair

Over: WESTFORD BROOK

0.3M S JCT CTH II, Richland, WI

Built 1990 Load: 34.0 t ADT: 30

LRD MAPLE VALLEY R

Fair

Over: KNAPP CREEK

0.2M E JCT CTH F, Richland, WI

Built 1977 Load: 34.0 t ADT: 47

LRD N MILTON RD

Fair

Over: OTTER CREEK

3.1M N JCT STH 59 TO W, Rock, WI

Built 1955 Load: 34.0 t ADT: 9,152

STH 11

Fair

Over: MARKHAM CREEK

1.9M E JCT CTH H, Rock, WI

Built 1970 Load: 34.0 t ADT: 4,100

LRD E CHURCH ST

Fair

Over: ALLEN CREEK

0.1M E JCT STH 59, Rock, WI

Built 1983 Load: 34.0 t ADT: 243

LRD BELOIT-NEWARK

Fair

Over: SUGAR RIVER

1.2M E JCT CTH T, Rock, WI

Built 1996 Load: 34.0 t ADT: 192

Showing 6,051-6,100 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.