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

WEST N STREET

Fair

Over: SUUKJAK SEP CREEK

W. N St. over Squaw Creek, Monroe, WI

Built 1994 Load: 46.7 t ADT: 200

LRD NORTHSIDE DRIV

Fair

Over: OCONOMOWOC RIVER

0.4M E JCT CTH E, Jefferson, WI

Built 1961 Load: 46.8 t ADT: 39

USH 8

Fair

Over: RED CEDAR RIVER

0.1M E JCT CTH O, Barron, WI

Built 1973 Load: 47.0 t ADT: 7,700

LRD 18TH AVE

Fair

Over: POKEGAMA CREEK

0.5M E JCT CTH M, Barron, WI

Built 1969 Load: 47.0 t ADT: 23

STH 57 SB

Fair

Over: WEQUIOCK CREEK

1.0M S JCT CTH K TO E, Brown, WI

Built 1957 Load: 47.0 t ADT: 9,050

STH 40

Fair

Over: COMO CREEK

0.1M N JCT CTH A, Chippewa, WI

Built 1991 Load: 47.0 t ADT: 810

STH 178 NB

Fair

Over: CHIPPEWA RIVER

2.0 M N CTH J, Chippewa, WI

Built 2000 Load: 47.0 t ADT: 6,250

CTH D

Fair

Over: DU CHARME CREEK

0.1M E JCT STH 35, Crawford, WI

Built 1986 Load: 47.0 t ADT: 219

STH 35

Fair

Over: KETTLE CREEK

2.2M N JCT CTH E, Crawford, WI

Built 1992 Load: 47.0 t ADT: 2,300

USH 18 EB-USH 151

Fair

Over: SUGAR RIVER

0.1M E JCT CTH G TO S, Dane, WI

Built 1991 Load: 47.0 t ADT: 12,350

CTH T

Fair

Over: SHIVERING SANDS CREEK

5.8M N JCT STH 42, Door, WI

Built 1985 Load: 47.0 t ADT: 433

USH 12 WB-STH 25 N

Fair

Over: RED CEDAR RIVER

0.6M W JCT STH 25 (H), Dunn, WI

Built 1992 Load: 47.0 t ADT: 16,600

CTH Q (5TH ST)

Fair

Over: BEAVER CREEK

0.1M E JCT CTH W, Dunn, WI

Built 1951 Load: 47.0 t ADT: 213

STH312 EB(OLD STH1

Fair

Over: CHIPPEWA RIVER

1.2M N JCT CTH F, Eau Claire, WI

Built 1992 Load: 47.0 t ADT: 12,450

CTH I

Fair

Over: PINE CREEK

0.1M S CTH V, Eau Claire, WI

Built 1966 Load: 47.0 t ADT: 871

CTH VV/ N PIONEER

Fair

Over: UNNAMED TRIBUTARY

0.1M S JCT CTH OOO, Fond du Lac, WI

Built 1974 Load: 47.0 t ADT: 4,200

STH 49

Fair

Over: BR FOX RIVER

2.7M N JCT CTH J, Green Lake, WI

Built 1957 Load: 47.0 t ADT: 3,400

USH 12

Fair

Over: ZAHRTE CREEK

0.8M E JCT CTH O TO E, Jackson, WI

Built 1931 Load: 47.0 t ADT: 840

LRD ROCK RIVER RD

Fair

Over: BARK RIVER

0.3M S JCT STH 106, Jefferson, WI

Built 1977 Load: 47.0 t ADT: 1,500

LRD CHRISTBERG RD

Fair

Over: JOHNSON CREEK

3.8M S JCT CTH B, Jefferson, WI

Built 1985 Load: 47.0 t ADT: 103

USH 18

Fair

Over: KOSHKONONG CREEK

0.5M E JCT STH 134, Jefferson, WI

Built 2000 Load: 47.0 t ADT: 4,700

STH 106

Fair

Over: BR LAKE KOSHKONONG

1.0M E JCT CTH A, Jefferson, WI

Built 2001 Load: 47.0 t ADT: 1,300

CTH HH

Fair

Over: HOLTZLANDER CR

TOWN OF KILDARE, Juneau, WI

Built 2002 Load: 47.0 t ADT: 1,554

LRD KNUDSON RD (DE

Fair

Over: HALFWAY CREEK

0.3M N JCT CTH D, La Crosse, WI

Built 1972 Load: 47.0 t ADT: 20

CTH W

Fair

Over: BR GALENA RIVER

0.3M W JCT CTH I TO S, Lafayette, WI

Built 1978 Load: 47.0 t ADT: 599

LRD ZIMMERMAN RD

Fair

Over: BR OTTER CREEK

2.0M N JCT STH 81, Lafayette, WI

Built 1936 Load: 47.0 t ADT: 23

CTH B

Fair

Over: LITTLE MANITOWOC RIVER

0.9M N JCT STH 42, Manitowoc, WI

Built 1975 Load: 47.0 t ADT: 5,000

CTH LS

Fair

Over: POINT CREEK

0.8M N JCT CTH X, Manitowoc, WI

Built 2006 Load: 47.0 t ADT: 790

CTH N

Fair

Over: BR HAMAN CREEK

0.5M W JCT STH 97, Marathon, WI

Built 1998 Load: 47.0 t ADT: 754

CTH P

Fair

Over: HAMANN CREEK

1.5M W JCT STH 97, Marathon, WI

Built 2003 Load: 47.0 t ADT: 326

IH RAMP, IH 794 EB

Fair

Over: LAND

3.3 MI E JCT IH 94, Milwaukee, WI

Built 1977 Load: 47.0 t ADT: 5,500

LRD DOGWOOD AVE

Fair

Over: BRANDY CREEK

0.2M S JCT CTH N, Monroe, WI

Built 1980 Load: 47.0 t ADT: 293

STH 16

Fair

Over: SILVER CREEK

0.2M E JCT CTH A (E), Monroe, WI

Built 1936 Load: 47.0 t ADT: 2,400

LRD CHERRY RD

Fair

Over: BR MILL CREEK

0.1M N JCT CTH G, Monroe, WI

Built 1925 Load: 47.0 t ADT: 94

STH 29-SPRING ST

Fair

Over: EAU GALLE RIVER

0.1M E JCT CTH B TO W, Pierce, WI

Built 1951 Load: 47.0 t ADT: 2,700

STH 11

Fair

Over: N BR PIKE RIVER

4.0M E JCT IH 94, Racine, WI

Built 1971 Load: 47.0 t ADT: 25,200

STH 36 WB/STH 83 S

Fair

Over: FOX RIVER

0.4 MI N CTH A, Racine, WI

Built 2007 Load: 47.0 t ADT: 2,800

STH 80

Fair

Over: HOOSIER CREEK

1.5M N JCT STH 193, Richland, WI

Built 1990 Load: 47.0 t ADT: 2,800

CTH C

Fair

Over: PINE RIVER

1.5M N JCT STH 80, Richland, WI

Built 1995 Load: 47.0 t ADT: 348

CTH C

Fair

Over: PINE RIVER

3.9M N JCT STH 80, Richland, WI

Built 1995 Load: 47.0 t ADT: 348

CTH B

Fair

Over: NORWEGIAN CREEK

1.8M E JCT STH 104, Rock, WI

Built 1974 Load: 47.0 t ADT: 525

CTH D

Fair

Over: RICE CREEK

2.1M E JCT STH 40-37, Rusk, WI

Built 1969 Load: 47.0 t ADT: 325

FR172

Fair

Over: FISHTRAP CREEK

4.8 M. W. JCT CTH GG, Sawyer, WI

Built 1985 Load: 47.0 t ADT: 20

CTH J

Fair

Over: S BR KINNICKINNIC RIVER

2.2M W JCT CTH T, St. Croix, WI

Built 1963 Load: 47.0 t ADT: 328

CTH B

Fair

Over: FRENCH CREEK

2.4M S JCT CTH N, St. Croix, WI

Built 1979 Load: 47.0 t ADT: 1,300

CTH X

Fair

Over: TRAVERSE VALLEY CREEK

1.8M W JCT CTH XX, Trempealeau, WI

Built 1998 Load: 47.0 t ADT: 446

USH 10-USH 53

Fair

Over: BUFFALO RIVER

0.2M E JCT CTH K, Trempealeau, WI

Built 1937 Load: 47.0 t ADT: 3,400

LRD MAPLEDALE RD

Fair

Over: BISHOP BRANCH

1.9M N JCT STH 56, Vernon, WI

Built 1950 Load: 47.0 t ADT: 205

LRD BOLTONVILLE RD

Fair

Over: BR N BR MILWAUKEE RIVER

0.2M S JCT CTH H, Washington, WI

Built 1950 Load: 47.0 t ADT: 58

CTH VV EB (SILVER

Fair

Over: MENOMONEE RIVER

1.5M E JCT CTH YY, Waukesha, WI

Built 1964 Load: 47.0 t ADT: 9,600

Showing 7,651-7,700 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.