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 SENECA ROAD

Good

Over: MOCASSIN CREEK

0.2M W JCT PORT ROAD, Wood, WI

Built 2003 Load: 25.9 t ADT: 3,000

IRR BIA RTE 19

Good

Over: BEAR TRAP CREEK

7 KM EAST OF ASHLAND, Ashland, WI

Built 1981 Load: 26.1 t ADT: 300

LRD OAK VALLEY RD

Good

Over: BR WAUMANDEE CREEK

1.5M E JCT STH 88, Buffalo, WI

Built 2009 Load: 26.6 t ADT: 10

FR196

Good

Over: BRUNSWEILLER RIVER

1.0 M. W. JCT CTH GG, Ashland, WI

Built 1975 Load: 26.9 t ADT: 20

LRD REIMER RD

Good

Over: MARENGO RIVER

0.9M S JCT STH 112, Ashland, WI

Built 1982 Load: 27.5 t ADT: 134

STH 13-STH 77

Good

Over: SOO LINE

6.2M N JCT STH 77 TO W, Ashland, WI

Built 1985 Load: 27.5 t ADT: 1,400

LRD 25TH AVENUE

Good

Over: RED CEDAR RIVER

1.1M W JCT STH 48, Barron, WI

Built 1986 Load: 27.5 t ADT: 115

LRD 10 1/2 AVE

Good

Over: QUANDERERS CREEK

3.3M E JCT CTH F, Barron, WI

Built 1988 Load: 27.5 t ADT: 108

LRD 28TH STREET

Good

Over: BEAVER CREEK

0.3M S OF 5TH AVENUE, Barron, WI

Built 1988 Load: 27.5 t ADT: 85

LRD 4 CORNERS RD

Good

Over: MARENGO RIVER

0.3M S JCT CTH E, Bayfield, WI

Built 1981 Load: 27.5 t ADT: 53

STH 32-STH 57

Good

Over: N BR EAST RIVER

3.4M N JCT STH 96, Brown, WI

Built 1988 Load: 27.5 t ADT: 5,000

USH 12-STH 27

Good

Over: UNION PACIFIC RR

1.2M E JCT CTH B TO E, Clark, WI

Built 1963 Load: 27.5 t ADT: 1,300

LRD COLBY FACTORY

Good

Over: BLACK RIVER

0.9M E JCT CTH O, Clark, WI

Built 1984 Load: 27.5 t ADT: 116

LRD ROCK CREEK RD

Good

Over: ROCK CREEK

0.8M E JCT CTH K, Clark, WI

Built 1985 Load: 27.5 t ADT: 116

LRD ROMADTKA AVE

Good

Over: S BR O'NEILL CREEK

0.6M N JCT CTH K, Clark, WI

Built 1986 Load: 27.5 t ADT: 53

LRD CARDINAL AVE

Good

Over: JACK CREEK

1.6M S JCT USH 10, Clark, WI

Built 1986 Load: 27.5 t ADT: 109

LRD EDDY RD

Good

Over: N FK EAU CLAIRE RIVER

2.4M W JCT CTH M, Clark, WI

Built 1967 Load: 27.5 t ADT: 58

STH 27

Good

Over: BR HUNTER CHANNEL

0.5M N JCT STH 35, Crawford, WI

Built 1954 Load: 27.5 t ADT: 2,000

USH 12/18-W BELTLI

Good

Over: CMSTPP RR

0.1M E JCT CTH MC, Dane, WI

Built 1975 Load: 27.5 t ADT: 131,000

STH 16-STH 60

Good

Over: BEAVER DAM RIVER

1.1M E JCT CTH J TO S, Dodge, WI

Built 1967 Load: 27.5 t ADT: 3,800

LRD WALTON ROAD

Good

Over: COLD SPRING CREEK

0.6M W JCT CTH K, Dodge, WI

Built 1989 Load: 27.5 t ADT: 56

CTH G

Good

Over: CNW RR

1.5M S JCT USH 151, Dodge, WI

Built 1993 Load: 27.5 t ADT: 2,700

LRD HAMMOND AVE

Good

Over: SOO LINE

0.3M W JCT CTH A, Douglas, WI

Built 1983 Load: 27.5 t ADT: 32

LRD 250TH ST

Good

Over: WILSON CREEK

0.1M S JCT USH 12, Dunn, WI

Built 1983 Load: 27.5 t ADT: 131

STH 23

Good

Over: W BR FOND DU LAC RIVER

1.7M E JCT CTH Y, Fond du Lac, WI

Built 1971 Load: 27.5 t ADT: 6,600

STH 67-E MAIN ST

Good

Over: MILWAUKEE RIVER

0.9M N JCT CTH W TO N, Fond du Lac, WI

Built 1970 Load: 27.5 t ADT: 2,500

LRD FOREST AVE

Good

Over: W BR FOND DU LAC RIVER

1.3M EAST OF USH 41, 0.5, Fond du Lac, WI

Built 1990 Load: 27.5 t ADT: 3,200

LRD BORAH RD

Good

Over: ROGERS BRANCH

1.8M N JCT CTH K, Grant, WI

Built 1984 Load: 27.5 t ADT: 166

LRD SPRUCE ROAD

Good

Over: BLAKE FORK

0.1M S JCT STH 35, Grant, WI

Built 1986 Load: 27.5 t ADT: 103

LRD OLD HWY C RD

Good

Over: STUDENBERG HOLLOW CREEK

0.8M W JCT STH 133, Grant, WI

Built 1999 Load: 27.5 t ADT: 102

LRD BAUMGARTNER RD

Good

Over: FENNIMORE CREEK

0.1M N JCT CTH Q, Grant, WI

Built 1979 Load: 27.5 t ADT: 53

LRD CROSSCUT RD

Good

Over: LITTLE PLATTE RIVER

1.7M N JCT CTH D, Grant, WI

Built 1952 Load: 27.5 t ADT: 53

LRD GRAYS MILL RD

Good

Over: GRANT RIVER

0.4M S JCT CTH A, Grant, WI

Built 1977 Load: 27.5 t ADT: 78

LRD W COATES AVE

Good

Over: BR LITTLE SUGAR RIVER

0.1M E JCT STH 69, Green, WI

Built 1992 Load: 27.5 t ADT: 369

LRD MILL RD

Good

Over: SPRING CREEK

0.5M N JCT CTH K, Green, WI

Built 1979 Load: 27.5 t ADT: 58

CTH A

Good

Over: GRAND RIVER

0.2M S JCT CTH S TO W, Green Lake, WI

Built 1965 Load: 27.5 t ADT: 1,900

CTH Y

Good

Over: MILL CREEK

0.7M S JCT CTH ZZ, Iowa, WI

Built 1982 Load: 27.5 t ADT: 312

LRD BIG SPRINGS RD

Good

Over: BIG SPRINGS BRANCH

1.2M N JCT CTH Q, Iowa, WI

Built 1984 Load: 27.5 t ADT: 41

LRD ROSY LANE

Good

Over: MILL CREEK

0.2M S JCT CTH Y, Iowa, WI

Built 1986 Load: 27.5 t ADT: 83

LRD W PINEHILL ROA

Good

Over: ROBINSON CREEK

2.6M W JCT STH 27, Jackson, WI

Built 1986 Load: 27.5 t ADT: 46

LRD OCONOMOWOC AVE

Good

Over: ROCK RIVER

0.1M E JCT STH 26, Jefferson, WI

Built 1983 Load: 27.5 t ADT: 1,700

LRD SPRAGUE MATHER

Good

Over: BEAVER CREEK

0.7M E JCT CTH H, Juneau, WI

Built 1973 Load: 27.5 t ADT: 80

STH 54

Good

Over: RIO CREEK

2.3M E JCT CTH E, Kewaunee, WI

Built 1983 Load: 27.5 t ADT: 2,500

LRD GILBERTSON RD

Good

Over: CANON CREEK

2.3M N JCT CTH F, Lafayette, WI

Built 1983 Load: 27.5 t ADT: 34

LRD HILL DRIVE

Good

Over: WHITESIDE CREEK

2.5M W JCT STH 78, Lafayette, WI

Built 1984 Load: 27.5 t ADT: 116

LRD KNEE DEEP RD

Good

Over: MADDEN BRANCH

1.7M W JCT CTH I, Lafayette, WI

Built 1985 Load: 27.5 t ADT: 80

LRD MAU ROAD

Good

Over: TURTLE CREEK

0.9M S JCT STH 11, Lafayette, WI

Built 1985 Load: 27.5 t ADT: 86

LRD MITCHELL HOLLO

Good

Over: BONNER BRANCH

0.2M W JCT CTH G, Lafayette, WI

Built 1994 Load: 27.5 t ADT: 58

LRD FOX FARM ROAD

Good

Over: N FK SPIRIT RIVER

1.0M S JCT STH 86, Lincoln, WI

Built 1986 Load: 27.5 t ADT: 15

LRD ZANDER RD

Good

Over: JAMBO CREEK

0.9M E JCT CTH Q, Manitowoc, WI

Built 1970 Load: 27.5 t ADT: 205

Showing 8,251-8,300 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.