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 OXBOW BEND DR

Good

Over: ROCK RIVER LAGOON

2.4M W JCT STH 26, Jefferson, WI

Built 1985 Load: 29.2 t ADT: 150

STH 80

Good

Over: LITTLE YELLOW RIVER

2.2M N JCT CTH A, Juneau, WI

Built 1980 Load: 29.2 t ADT: 1,700

LRD MONROE ST (DEA

Good

Over: LEMONWEIR RIVER

0.2M W JCT HY 58, Juneau, WI

Built 1969 Load: 29.2 t ADT: 950

LRD 23RD ST

Good

Over: LITTLE YELLOW RIVER

4.3M W JCT STH 80, Juneau, WI

Built 1971 Load: 29.2 t ADT: 86

USH 45

Good

Over: BRIGHTON CREEK

0.8 MI N JCT STH 50, Kenosha, WI

Built 1992 Load: 29.2 t ADT: 5,000

LRD HERITAGE ROAD

Good

Over: LUXEMBURG CREEK

0.1M W JCT STH 54, Kewaunee, WI

Built 1986 Load: 29.2 t ADT: 97

STH 29

Good

Over: E TWIN RIVER

2.7M E JCT CTH AB, Kewaunee, WI

Built 2002 Load: 29.2 t ADT: 3,700

CTH S

Good

Over: SILVER CREEK

0.5M E JCT CTH D, Kewaunee, WI

Built 2003 Load: 29.2 t ADT: 919

STH 35-LANG DR

Good

Over: LA CROSSE RIVER

0.8M N JCT STH 16, La Crosse, WI

Built 1982 Load: 29.2 t ADT: 19,900

LRD DARLING RD (DE

Good

Over: DUTCH CREEK

0.2M S JCT STH 162, La Crosse, WI

Built 1986 Load: 29.2 t ADT: 40

LRD SOUTHDALE DR (

Good

Over: E BR PAMMEL CREEK

0.1M S JCT STH 33, La Crosse, WI

Built 1993 Load: 29.2 t ADT: 1

LRD SPRING ST

Good

Over: BONNER BRANCH

0.1M S JCT CTH G, Lafayette, WI

Built 1981 Load: 29.2 t ADT: 129

STH 78

Good

Over: E BR PECATONICA RIVER

4.2M N JCT CTH A, Lafayette, WI

Built 2003 Load: 29.2 t ADT: 1,500

USH 51 NB

Good

Over: CANADIAN NATIONAL RR

2.0M N JCT CTH Q, Lincoln, WI

Built 1974 Load: 29.2 t ADT: 8,450

IH 43 SB

Good

Over: CNW RR

1.2M S JCT STH 147, Manitowoc, WI

Built 1978 Load: 29.2 t ADT: 9,600

IH 43 NB

Good

Over: CNW RR

7.7M N JCT USH 10 TO W, Manitowoc, WI

Built 1977 Load: 29.2 t ADT: 9,600

LRD DANMAR RD

Good

Over: BRANCH RIVER

1.8M N JCT CTH H, Manitowoc, WI

Built 1985 Load: 29.2 t ADT: 126

STH 29 EB

Good

Over: WISCONSIN RIVER 28

1.5M E JCT USH 51 TO S, Marathon, WI

Built 1972 Load: 29.2 t ADT: 28,400

IH USH 51-IH 39 NB

Good

Over: JOHNSON CREEK

1.6M N JCT CTH DB TO E, Marathon, WI

Built 1972 Load: 29.2 t ADT: 21,200

IH USH 51-IH 39 SB

Good

Over: PEPLIN CREEK

1.4M S JCT STH 34 TO S, Marathon, WI

Built 1972 Load: 29.2 t ADT: 22,800

IH USH 51-IH 39 NB

Good

Over: PEPLIN CREEK

0.4M N JCT CTH C, Marathon, WI

Built 1972 Load: 29.2 t ADT: 22,800

LRD LINCOLN RD

Good

Over: W FK LITTLE RIB RIVER

0.1M E JCT STH 107, Marathon, WI

Built 1985 Load: 29.2 t ADT: 70

LRD VALLEY LANE

Good

Over: LITTLE RIB RIVER

0.1M S JCT CTH F, Marathon, WI

Built 1985 Load: 29.2 t ADT: 140

LRD FENCE RD

Good

Over: W BR BIG EAU PLEINE R

2.2M E JCT STH 13, Marathon, WI

Built 1985 Load: 29.2 t ADT: 89

LRD CARDINAL LANE

Good

Over: SCOTCH CREEK

2.1M N JCT CTH N, Marathon, WI

Built 1989 Load: 29.2 t ADT: 100

LRD HALDER DR

Good

Over: FREEMAN CREEK

0.6M E JCT STH 153, Marathon, WI

Built 2000 Load: 29.2 t ADT: 241

CTH T

Good

Over: SCHEURER CREEK

1.7M S JCT STH 97, Marathon, WI

Built 2005 Load: 29.2 t ADT: 900

LRD CHAUNCY ST

Good

Over: NEENAH CREEK

0.1M S JCT STH 82, Marquette, WI

Built 1984 Load: 29.2 t ADT: 360

IH RAMP STH 59 EB-

Good

Over: LAND

0.18 MI E JCT 9TH & MINER, Milwaukee, WI

Built 1969 Load: 29.2 t ADT: 2,600

IH 41/USH 45/STH 1

Good

Over: CNW RR

2.3 MI N JCT STH 190, Milwaukee, WI

Built 1967 Load: 29.2 t ADT: 54,500

LRD ROOT RIVER PAR

Good

Over: HALES CREEK

0.3M N JCT CTH NN, Milwaukee, WI

Built 1988 Load: 29.2 t ADT: 737

LRD S 76TH ST

Good

Over: RYAN CREEK

0.7M S JCT STH 100, Milwaukee, WI

Built 2004 Load: 29.2 t ADT: 3,700

LRD W GLENDALE AVE

Good

Over: LINCOLN CREEK

1.0M N JCT STH 190, Milwaukee, WI

Built 1967 Load: 29.2 t ADT: 945

LRD JACKPOT AVE

Good

Over: LITTLE LA CROSSE RIVER

0.5M W JCT STH 27, Monroe, WI

Built 1983 Load: 29.2 t ADT: 302

STH 32

Good

Over: N BR OCONTO RIVER

4.0M N JCT CTH AA, Oconto, WI

Built 1983 Load: 29.2 t ADT: 2,800

LRD TRAIL ROAD

Good

Over: DALY CREEK

1.2M S JCT CTH A, Oconto, WI

Built 1986 Load: 29.2 t ADT: 211

USH 45

Good

Over: WISCONSIN CENTRAL

0.3M N JCT CTH C, Oneida, WI

Built 1969 Load: 29.2 t ADT: 2,000

CTH M

Good

Over: WOLF RIVER OVERFLOW

1.1M N JCT CTH MM, Outagamie, WI

Built 1968 Load: 29.2 t ADT: 2,500

CTH M

Good

Over: WOLF RIVER OVERFLOW

0.8M S JCT CTH S, Outagamie, WI

Built 1968 Load: 29.2 t ADT: 2,500

LRD STATE RD

Good

Over: BLACK CREEK

0.5M N JCT STH 54, Outagamie, WI

Built 1982 Load: 29.2 t ADT: 175

LRD BUBOLTZ ROAD

Good

Over: BEAR CREEK

0.3M N JCT CTH WW, Outagamie, WI

Built 1986 Load: 29.2 t ADT: 115

CTH O

Good

Over: MACKVILLE CREEK

0.7M W JCT STH 47, Outagamie, WI

Built 2002 Load: 29.2 t ADT: 1,230

LRD ISLAND ST

Good

Over: FOX RIVER

0.3M N JCT CTH Z, Outagamie, WI

Built 1974 Load: 29.2 t ADT: 8,500

CTH V

Good

Over: BEAR CREEK

0.2M N JCT CTH B, Pepin, WI

Built 1983 Load: 29.2 t ADT: 116

LRD COTTONWOOD RD.

Good

Over: B0GUS CREEK

0.8M E JCT STH 35, Pepin, WI

Built 1982 Load: 29.2 t ADT: 25

LRD ELK CREEK ROAD

Good

Over: PLUM CREEK

0.8M S JCT CTH SS, Pepin, WI

Built 1986 Load: 29.2 t ADT: 28

CTH W

Good

Over: BR TRIMBELLE RIVER

1.8M S JCT STH 29, Pierce, WI

Built 1974 Load: 29.2 t ADT: 189

LRD 790TH ST

Good

Over: GOOSE CREEK

0.1M N JCT CTH J, Pierce, WI

Built 1984 Load: 29.2 t ADT: 145

LRD 150TH ST

Good

Over: E BR PLUM CREEK

0.4M N JCT CTH S, Pierce, WI

Built 1986 Load: 29.2 t ADT: 137

LRD 560TH AVE.

Good

Over: TRIMBELLE RIVER

0.1M E JCT CTH O, Pierce, WI

Built 1986 Load: 29.2 t ADT: 40

Showing 8,401-8,450 of 14,851 bridges

Related

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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.