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

CTH W

Poor

Over: HARVEY CREEK

1.4 N JCT STH 10, Pepin, WI

Built 1977 Load: 35.6 t ADT: 150

LRD 5TH STREET

Poor

Over: APPLE RIVER

0.7M E JCT CTH T, Polk, WI

Built 1977 Load: 35.6 t ADT: 43

CTH G

Poor

Over: ROOT RIVER CANAL

0.5M E JCT CTH U, Racine, WI

Built 1949 Load: 35.6 t ADT: 1,802

LRD CEDAR ST

Poor

Over: SUCKER CREEK

1.1M E JCT CTH D, Sawyer, WI

Built 1936 Load: 35.6 t ADT: 1,887

USH 63

Poor

Over: BR WILLOW RIVER

0.5M N JCT STH 64 TO E, St. Croix, WI

Built 1962 Load: 35.6 t ADT: 4,800

USH 12

Poor

Over: CNW RR

3.2M E JCT CTH U (J), St. Croix, WI

Built 1980 Load: 35.6 t ADT: 2,400

LRD GRAVEL LANE

Poor

Over: BLACK RIVER

0.9M W JCT STH 13, Taylor, WI

Built 1981 Load: 35.6 t ADT: 139

CTH BB

Poor

Over: BORST VALLEY CREEK

0.1M N JCT STH 121, Trempealeau, WI

Built 1968 Load: 35.6 t ADT: 50

STH 162-N RIDGE RD

Poor

Over: BR COON CREEK

0.4M N JCT USH 14 TO E, Vernon, WI

Built 1927 Load: 35.6 t ADT: 650

CTH I

Poor

Over: MUKWONAGO RIVER

0.1M S JCT CTH LO, Waukesha, WI

Built 1981 Load: 35.6 t ADT: 1,200

STH 169

Poor

Over: BAD RIVER

0.4M N JCT STH 13, Ashland, WI

Built 1987 Load: 37.3 t ADT: 500

LRD EVERGREEN RD

Poor

Over: KOLIN CREEK

2.6M W JCT CTH A, Bayfield, WI

Built 1950 Load: 37.3 t ADT: 65

CTH S

Poor

Over: DUNCAN CREEK

0.5 M E CTH Q, Chippewa, WI

Built 1978 Load: 37.3 t ADT: 5,515

STH 98-ELM DR

Poor

Over: BEAR CREEK

0.5M E JCT CTH K TO S, Clark, WI

Built 1920 Load: 37.3 t ADT: 3,300

CTH E

Poor

Over: N. FK. POPPLE RIVER

0.3M N JCT CTH A, Clark, WI

Built 1995 Load: 37.3 t ADT: 979

LRD JOHN NOLEN DR

Poor

Over: LAKE MONONA

0.7M N JCT CTH MC, Dane, WI

Built 1975 Load: 37.3 t ADT: 43,200

LRD JOHN NOLEN DR

Poor

Over: LAKE MONONA

0.7M N JCT CTH MC, Dane, WI

Built 1966 Load: 37.3 t ADT: 36,900

LRD JOHN NOLEN DR

Poor

Over: LAKE MONONA

0.1 M S JCT USH 151, Dane, WI

Built 1968 Load: 37.3 t ADT: 36,900

CTH HH

Poor

Over: SPRING CREEK

0.22M E OF CTH H-NORTH, Dunn, WI

Built 1937 Load: 37.3 t ADT: 50

LRD NEFF RD

Poor

Over: FENNIMORE CREEK

0.1M W JCT CTH Q, Grant, WI

Built 1973 Load: 37.3 t ADT: 102

CTH A

Poor

Over: PIKE RIVER

0.1M E JCT STH 31, Kenosha, WI

Built 1978 Load: 37.3 t ADT: 2,600

CTH BB

Poor

Over: N BR E TWIN RIVER

0.8M W JCT CTH B, Kewaunee, WI

Built 1978 Load: 37.3 t ADT: 1,200

LRD LINCOLN DR

Poor

Over: LITTLE RIB RIVER

1.3M W JCT CTH O, Marathon, WI

Built 1991 Load: 37.3 t ADT: 63

STH 181 NB-N 76TH

Poor

Over: CNW RR

1.2M N JCT CTH PP, Milwaukee, WI

Built 1969 Load: 37.3 t ADT: 11,750

STH 38-CHASE AVE

Poor

Over: CNW RR

3.7M N JCT CTH ZZ, Milwaukee, WI

Built 1939 Load: 37.3 t ADT: 11,000

STH 181-S 84TH ST

Poor

Over: HONEY CREEK

0.2M N JCT IH 94 TO E, Milwaukee, WI

Built 1934 Load: 37.3 t ADT: 13,800

LRD N 25TH STREET

Poor

Over: MENOMONEE RIVER

0.8M S JCT USH 18, Milwaukee, WI

Built 1980 Load: 37.3 t ADT: 8,800

LRD TOWN ST

Poor

Over: S FK JUMP RIVER

0.4M S JCT USH 8, Price, WI

Built 2005 Load: 37.3 t ADT: 120

CTH I

Poor

Over: S FK JUMP RIVER

2.0M W JCT CTH M, Price, WI

Built 1969 Load: 37.3 t ADT: 180

LRD WALRATH RD

Poor

Over: S BEAR CREEK

0.3M E JCT CTH B-86, Rusk, WI

Built 1964 Load: 37.3 t ADT: 108

LRD RIVER STREET

Poor

Over: TREMPEALEAU RIVER

0.1M E JCT STH 93, Trempealeau, WI

Built 1984 Load: 37.3 t ADT: 231

USH 10-USH 53-10TH

Poor

Over: BUFFALO RIVER

0.9M E JCT CTH K, Trempealeau, WI

Built 1937 Load: 37.3 t ADT: 4,400

CTH C

Poor

Over: GREEN CREEK

1.1M N JCT CTH H TO N, Vernon, WI

Built 1932 Load: 37.3 t ADT: 325

LRD PLEASANT VALLE

Poor

Over: BR CEDAR CREEK

0.3M W JCT CTH G, Washington, WI

Built 1930 Load: 37.3 t ADT: 205

CTH MM, DUTCHMAN R

Poor

Over: SORENSONS CREEK

0.6M S JCT USH 141, Brown, WI

Built 2004 Load: 38.9 t ADT: 3,000

CTH F

Poor

Over: CLAM RIVER

5.2M W JCT CTH FF, Burnett, WI

Built 1972 Load: 38.9 t ADT: 228

LRD BRIDGEWATER AV

Poor

Over: DUNCAN CREEK

0.3 M W STH 124, Chippewa, WI

Built 1934 Load: 38.9 t ADT: 2,855

CTH T

Poor

Over: ELK CREEK

0.2 M N CTH N, Chippewa, WI

Built 1994 Load: 38.9 t ADT: 420

CTH S

Poor

Over: LITTLE DRYWOOD CREEK

0.3 M E 245TH STREET, Chippewa, WI

Built 1947 Load: 38.9 t ADT: 840

CTH CM

Poor

Over: FOX RIVER

0.1M E JCT CTH T, Columbia, WI

Built 1958 Load: 38.9 t ADT: 500

CTH A

Poor

Over: DRY HOLLOW CREEK

0.1M S JCT CTH P, Grant, WI

Built 1963 Load: 38.9 t ADT: 830

LRD 6TH AVE

Poor

Over: LITTLE SUGAR RIVER

0.1M E JCT STH 69, Green, WI

Built 1976 Load: 38.9 t ADT: 590

LRD STETTIN DRIVE

Poor

Over: LITTLE RIB RIVER

2.3M W JCT STH 52, Marathon, WI

Built 1985 Load: 38.9 t ADT: 1,100

LRD COLUMBUS ST

Poor

Over: PLOVER RIVER

0.7M N JCT STH 29, Marathon, WI

Built 1958 Load: 38.9 t ADT: 391

CTH K

Poor

Over: PIKE RIVER

4.1M E JCT USH 141, Marinette, WI

Built 1978 Load: 38.9 t ADT: 512

CTH V

Poor

Over: OCONTO RIVER

0.2M E JCT CTH VV, Oconto, WI

Built 1979 Load: 38.9 t ADT: 580

LRD UNION ST

Poor

Over: FLUME CREEK

0.1M N JCT STH 66, Portage, WI

Built 1992 Load: 38.9 t ADT: 962

CTH K

Poor

Over: WIND LAKE DR CANAL

1.4M W JCT CTH S, Racine, WI

Built 1975 Load: 38.9 t ADT: 2,300

LRD N

Poor

Over: WILLOW CREEK

0.1M N JCT STH 58, Richland, WI

Built 1984 Load: 38.9 t ADT: 80

CTH C

Poor

Over: N BR HONEY CREEK

0.3M N JCT CTH PF, Sauk, WI

Built 1964 Load: 38.9 t ADT: 230

Showing 14,751-14,800 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.