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 SPRING VALLEY

Fair

Over: LOUISBURG CREEK

2.0M E JCT USH 61, Grant, WI

Built 1973 Load: 42.1 t ADT: 53

CTH H

Fair

Over: NORTH BR HEFTY CREEK

1.0M E JCT CTH J, Green, WI

Built 1991 Load: 42.1 t ADT: 580

CTH J

Fair

Over: BUSHNELL CREEK

1.8M N JCT STH 81, Green, WI

Built 2000 Load: 42.1 t ADT: 801

CTH B

Fair

Over: BELLE FOUNTAIN CREEK

1.0M W JCT CTH FFF, Green Lake, WI

Built 2006 Load: 42.1 t ADT: 390

LRD PRAIRIE GROVE

Fair

Over: JONES VALLEY CREEK

0.1M E JCT CTH K, Iowa, WI

Built 1988 Load: 42.1 t ADT: 31

CTH FF

Fair

Over: PIGEON CREEK

0.2M N JCT STH 121, Jackson, WI

Built 1988 Load: 42.1 t ADT: 215

STH 95

Fair

Over: CURRAN CREEK

0.3M E JCT CTH G, Jackson, WI

Built 1996 Load: 42.1 t ADT: 3,600

CTH P

Fair

Over: DUCK CREEK

0.6M S JCT USH 18, Jefferson, WI

Built 1998 Load: 42.1 t ADT: 274

LRD 7TH ST W

Fair

Over: NEAL LATERAL

1.9M E JCT STH 173, Juneau, WI

Built 1989 Load: 42.1 t ADT: 35

USH12-STH16

Fair

Over: WEBSTER CREEK

CITY OF NEW LISBON, Juneau, WI

Built 1920 Load: 42.1 t ADT: 4,500

USH 12-STH 16

Fair

Over: BREWER CREEK

5.2M E JCT STH 80 TO S, Juneau, WI

Built 1932 Load: 42.1 t ADT: 4,500

LRD 50TH ST

Fair

Over: PIKE CREEK LAGOON

0.2M E JCT STH 32, Kenosha, WI

Built 1986 Load: 42.1 t ADT: 1,600

IH 41 SB/94 EB

Fair

Over: DES PLAINES RIVER

1.2M S JCT STH 50 TO E, Kenosha, WI

Built 2009 Load: 42.1 t ADT: 49,450

STH 162

Fair

Over: DUTCH CREEK

0.8M N JCT STH 33 TO E, La Crosse, WI

Built 1990 Load: 42.1 t ADT: 1,600

STH 162

Fair

Over: LA CROSSE RIVER

1.5M N JCT IH 90 TO E, La Crosse, WI

Built 1938 Load: 42.1 t ADT: 1,900

CTH I

Fair

Over: BR BOSTWICK CREEK

0.1M E JCT CTH M, La Crosse, WI

Built 1973 Load: 42.1 t ADT: 448

CTH T

Fair

Over: FLEMING CREEK

0.2M E JCT CTH DD, La Crosse, WI

Built 1976 Load: 42.1 t ADT: 400

CTH YY

Fair

Over: BR BOSTWICK CREEK

1.3M S JCT CTH M, La Crosse, WI

Built 1971 Load: 42.1 t ADT: 913

LRD SMITH VALLEY R

Fair

Over: BR SMITH VALLEY CREEK

1.3M S JCT CTH B, La Crosse, WI

Built 1981 Load: 42.1 t ADT: 250

CTH O

Fair

Over: ARMSTRONG CREEK

2.4M S JCT STH 86, Lincoln, WI

Built 1937 Load: 42.1 t ADT: 424

STH 310 MADISON

Fair

Over: W TWIN RIVER

4.6M E JCT CTH B, Manitowoc, WI

Built 2008 Load: 42.1 t ADT: 8,800

LRD PLEASANT ROAD

Fair

Over: BULL JUNIOR CREEK

0.7M S JCT CTH X, Marathon, WI

Built 1995 Load: 42.1 t ADT: 60

CTH N (17TH AVE.)

Fair

Over: BIG RIB RIVER

0.6M N JCT CTH NN, Marathon, WI

Built 2004 Load: 42.1 t ADT: 14,200

CTH S

Fair

Over: SODA CREEK

1.1M N JCT CTH N, Marathon, WI

Built 1956 Load: 42.1 t ADT: 570

LRD BRIAR WOOD RD

Fair

Over: BURNS CREEK

0.8M E JCT CTH S, Marathon, WI

Built 1930 Load: 42.1 t ADT: 50

LRD NAUGERT DR

Fair

Over: LITTLE RIB RIVER

1.8M W JCT CTH O, Marathon, WI

Built 1953 Load: 42.1 t ADT: 36

LRD 10TH LANE

Fair

Over: WESTFIELD CREEK

0.4M N JCT CTH B, Marquette, WI

Built 1982 Load: 42.1 t ADT: 100

LRD MILL ROAD

Fair

Over: MENOMONEE RIVER

0.1M E JCT STH 100, Milwaukee, WI

Built 2006 Load: 42.1 t ADT: 3,500

IH RAMP, BROADWAY

Fair

Over: LAND

1.1 MI E JCT IH 43, Milwaukee, WI

Built 1974 Load: 42.1 t ADT: 4,910

LRD W BLUE MOUND R

Fair

Over: MENOMONEE RIVER

0.1M W JCT USH 18, Milwaukee, WI

Built 1985 Load: 42.1 t ADT: 1,700

LRD W COLD SPRING

Fair

Over: ROOT RIVER

0.2M E JCT STH "100", Milwaukee, WI

Built 1994 Load: 42.1 t ADT: 3,700

LRD S 15TH AVE.

Fair

Over: OAK CREEK

1.3M S JCT COLLEGE CTH ZZ, Milwaukee, WI

Built 1957 Load: 42.1 t ADT: 5,100

STH 27

Fair

Over: SOPER CREEK

1.8M N JCT STH 71 TO W, Monroe, WI

Built 1949 Load: 42.1 t ADT: 3,300

LRD N GLENDALE AVE

Fair

Over: LEMONWEIR RIVER

0.7M E JCT USH 12, Monroe, WI

Built 1994 Load: 42.1 t ADT: 2,710

LRD COURT ST

Fair

Over: LA CROSSE RIVER

0.2M S JCT STH 16, Monroe, WI

Built 1994 Load: 42.1 t ADT: 4,558

CTH F

Fair

Over: LITTLE LA CROSSE RIVER

0.1M E JCT STH 27, Monroe, WI

Built 2002 Load: 42.1 t ADT: 139

CTH N

Fair

Over: LEMONWEIR CR

1.3M S STH 21, Monroe, WI

Built 2004 Load: 42.1 t ADT: 305

LRD FORMICA RD

Fair

Over: MUD CREEK

0.8M N JCT CTH E, Monroe, WI

Built 1968 Load: 42.1 t ADT: 293

CTH N

Fair

Over: LITTLE LEMONWIER RIVER

1.9M N JCT CTH W, Monroe, WI

Built 1982 Load: 42.1 t ADT: 250

CTH Z

Fair

Over: BR BILLINGS CREEK

2.0M S JCT CTH P, Monroe, WI

Built 1955 Load: 42.1 t ADT: 54

CTH XX

Fair

Over: BR LIT LA CROSSE RIVER

3.1M E JCT STH 27, Monroe, WI

Built 1987 Load: 42.1 t ADT: 163

CTH XX

Fair

Over: LITTLE LA CROSSE RIVER

5.6M E JCT STH 27, Monroe, WI

Built 1987 Load: 42.1 t ADT: 163

CTH EE

Fair

Over: PENSAUKEE RIVER

0.3M S JCT CTH E, Oconto, WI

Built 1987 Load: 42.1 t ADT: 778

CTH C

Fair

Over: PENSAUKEE RIVER

1.8M S JCT CTH E, Oconto, WI

Built 1995 Load: 42.1 t ADT: 720

LRD PARK LANE

Fair

Over: BR BLACK CREEK

0.25M S OF CTH G, Outagamie, WI

Built 2006 Load: 42.1 t ADT: 1

CTH O

Fair

Over: SPRING CREEK

1.2M S JCT USH 10, Pierce, WI

Built 1918 Load: 42.1 t ADT: 216

LRD CENTRAL AVE

Fair

Over: APPLE RIVER

0.1M E JCT STH 46, Polk, WI

Built 1983 Load: 42.1 t ADT: 2,386

LRD CAMERON DRIVE

Fair

Over: APPLE RIVER

0.8M E JCT STH 46, Polk, WI

Built 1990 Load: 42.1 t ADT: 260

CTH C

Fair

Over: APPLE RIVER

0.1M W JCT CTH P, Polk, WI

Built 1993 Load: 42.1 t ADT: 900

CTH M

Fair

Over: MILL CREEK

1.7M W JCT CTY HH, Portage, WI

Built 2007 Load: 42.1 t ADT: 636

Showing 7,401-7,450 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.