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 SMITH DR

Fair

Over: LEVITT CREEK

0.3M S JCT CTH D, Taylor, WI

Built 1990 Load: 35.6 t ADT: 73

LRD CARPENTER ROAD

Fair

Over: TREMPEALEAU RIVER

0.1M N JCT USH 53, Trempealeau, WI

Built 1983 Load: 35.6 t ADT: 406

CTH T

Fair

Over: FRENCH CREEK

0.3M W JCT USH 53, Trempealeau, WI

Built 1985 Load: 35.6 t ADT: 531

USH 53-ETTRICK ST

Fair

Over: BR N FK BEAVER CREEK

0.1M N JCT CTH D, Trempealeau, WI

Built 1989 Load: 35.6 t ADT: 4,200

USH 53-HARMONY ST

Fair

Over: S FK BUFFALO RIVER

0.1M N JCT CTH O, Trempealeau, WI

Built 1936 Load: 35.6 t ADT: 4,900

CTH D

Fair

Over: BR S FK BEAVER CREEK

0.3M W JCT CTH DD, Trempealeau, WI

Built 1992 Load: 35.6 t ADT: 1,085

CTH S

Fair

Over: FLY CREEK

3.3M S JCT USH 53, Trempealeau, WI

Built 2002 Load: 35.6 t ADT: 702

CTH U

Fair

Over: BIG CREEK

0.1M E TOWN LINE RD, Trempealeau, WI

Built 2004 Load: 35.6 t ADT: 254

CTH B

Fair

Over: S FK BUFFALO RIVER

1.1M S JCT USH 10, Trempealeau, WI

Built 1981 Load: 35.6 t ADT: 1,030

CTH H

Fair

Over: KING CREEK

0.3M W JCT CTH O, Trempealeau, WI

Built 1972 Load: 35.6 t ADT: 217

STH 131-COMMERCIAL

Fair

Over: KICKAPOO RIVER

2.6M N JCT CTH U, Vernon, WI

Built 1982 Load: 35.6 t ADT: 990

STH 33

Fair

Over: CHEYENNE VALLEY CREEK

2.4M E JCT CTH F, Vernon, WI

Built 1983 Load: 35.6 t ADT: 500

CTH O

Fair

Over: N FK BAD AXE RIVER

2.8M N JCT STH 56, Vernon, WI

Built 1983 Load: 35.6 t ADT: 217

STH 162-MAIN ST

Fair

Over: BR COON CREEK

0.8M N JCT CTH K TO N, Vernon, WI

Built 1984 Load: 35.6 t ADT: 700

LRD GIBSON VALLEY

Fair

Over: KICKAPOO RIVER

0.1M S JCT STH 33, Vernon, WI

Built 1984 Load: 35.6 t ADT: 25

STH 162

Fair

Over: HUNDER COULEE CREEK

2.2M N JCT CTH O, Vernon, WI

Built 1987 Load: 35.6 t ADT: 440

CTH P

Fair

Over: COON CREEK

1.7M E JCT USH 14, Vernon, WI

Built 1987 Load: 35.6 t ADT: 434

CTH Y

Fair

Over: SEASBRANCH CREEK

3.0M E JCT USH 14, Vernon, WI

Built 1999 Load: 35.6 t ADT: 330

LRD DOWNING RD (DE

Fair

Over: HILLS CREEK

0.1M S JCT CTH F, Vernon, WI

Built 1992 Load: 35.6 t ADT: 20

CTH EE

Fair

Over: LITTLE BARABOO RIVER

1.2M S JCT CTH Q, Vernon, WI

Built 1992 Load: 35.6 t ADT: 162

CTH M

Fair

Over: READS CREEK

0.1M S JCT USH 14, Vernon, WI

Built 1994 Load: 35.6 t ADT: 314

CTH P

Fair

Over: BR COON CREEK

0.1M S JCT CTH PI, Vernon, WI

Built 1997 Load: 35.6 t ADT: 510

LRD NORWEGIAN VALL

Fair

Over: LOWER BRUSH CREEK

1.0M S JCT STH 33, Vernon, WI

Built 1998 Load: 35.6 t ADT: 201

STH 131

Fair

Over: INTERMITTENT STREAM

2.2 MI NORTH OF CTH P TO, Vernon, WI

Built 2002 Load: 35.6 t ADT: 740

LRD S BADAXE RD

Fair

Over: BR S FK BAD AXE RIVER

3.4M E JCT STH 35, Vernon, WI

Built 1980 Load: 35.6 t ADT: 47

USH 51

Fair

Over: SPIDER LAKE

5.0M N JCT CTH H, Vilas, WI

Built 1998 Load: 35.6 t ADT: 3,800

STH 50

Fair

Over: JACKSON CREEK

1.9 MI E JCT IH-43, Walworth, WI

Built 1987 Load: 35.6 t ADT: 13,600

CTH B

Fair

Over: NIPPERSINK CREEK

0.1M W JCT CTH H TO E, Walworth, WI

Built 1989 Load: 35.6 t ADT: 2,700

CTH ES

Fair

Over: SUGAR CREEK

1.3M E JCT USH 12, Walworth, WI

Built 1982 Load: 35.6 t ADT: 1,800

CTH X

Fair

Over: WISCONSIN & SOUTHERN RR

1.1 MILES W. JCT CTH C, Walworth, WI

Built 2012 Load: 35.6 t ADT: 1,400

LRD HARGRAVES RD

Fair

Over: SUGAR CREEK

1.5M S JCT CTH D, Walworth, WI

Built 1982 Load: 35.6 t ADT: 205

LRD SHADOW LANE

Fair

Over: BR CEDAR CREEK

1.3 MI W JCT CTH Y, Washington, WI

Built 1953 Load: 35.6 t ADT: 105

LRD HICKORY LANE

Fair

Over: CEDAR CREEK

0.8M W JCT CTH G, Washington, WI

Built 1986 Load: 35.6 t ADT: 1,000

LRD RIVERSHORE DRI

Fair

Over: MILWAUKEE RIVER

0.25M N OF STH33 & STH44, Washington, WI

Built 2006 Load: 35.6 t ADT: 1,700

CTH J (PEWAUKEE RO

Fair

Over: PEWAUKEE RIVER

0.3M N JCT CTH JJ, Waukesha, WI

Built 1980 Load: 35.6 t ADT: 17,100

LRD E PARK ST

Fair

Over: BARK RIVER

0.2M W JCT MAPLE AVE, Waukesha, WI

Built 1969 Load: 35.6 t ADT: 258

CTH K

Fair

Over: S BR LITTLE WOLF RIVER

1.4M W JCT CTH KK, Waupaca, WI

Built 1978 Load: 35.6 t ADT: 161

STH 22-STH 110

Fair

Over: LITTLE WOLF RIVER

1.1M N JCT CTH BB, Waupaca, WI

Built 1993 Load: 35.6 t ADT: 2,700

CTH-II

Fair

Over: RAT RIVER

1.3M N JCT CTH MM, Winnebago, WI

Built 1975 Load: 35.6 t ADT: 625

CTH I | OREGON ST.

Fair

Over: GLATZ CREEK

0.2M S JCT USH 45, Winnebago, WI

Built 1977 Load: 35.6 t ADT: 7,200

STH 21

Fair

Over: SPRING BROOK

3.0M E JCT STH 116 TO W, Winnebago, WI

Built 1988 Load: 35.6 t ADT: 15,100

LRD RIVER ST (DEAD

Fair

Over: FOX RIVER

0.4M W JCT STH 114, Winnebago, WI

Built 1974 Load: 35.6 t ADT: 38

STH 73

Fair

Over: ZAGER CREEK

0.3M N JCT CTH HH, Wood, WI

Built 1952 Load: 35.6 t ADT: 3,000

STH 73

Fair

Over: MOCCASIN CREEK

1.9M N JCT CTH F, Wood, WI

Built 1952 Load: 35.6 t ADT: 5,600

STH 186

Fair

Over: HEMLOCK CREEK

0.4M N JCT CTH K, Wood, WI

Built 1967 Load: 35.6 t ADT: 2,800

STH 73

Fair

Over: MOCCASIN CREEK

1.2M N JCT STH 173 (B), Wood, WI

Built 1933 Load: 35.6 t ADT: 4,200

STH 13/STH 54-DALY

Fair

Over: WISCONSIN RIVER 20

1.0M N JCT STH 54 (B), Wood, WI

Built 1979 Load: 35.6 t ADT: 22,700

STH 80-STH 173

Fair

Over: YELLOW RIVER

0.4M N JCT STH 173 TO S, Wood, WI

Built 1996 Load: 35.6 t ADT: 2,800

CTH E

Fair

Over: MILL CREEK

1.3M S JCT USH 10, Wood, WI

Built 1969 Load: 35.6 t ADT: 479

IRR BIA RTE 52

Fair

Over: KAKAGON RIVER

2 KM NW OF ODANAH, Ashland, WI

Built 1980 Load: 35.8 t ADT: 30

Showing 6,451-6,500 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.