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

STH 71

Fair

Over: BR MORRIS CREEK

0.7M E JCT CTH T TO S, Monroe, WI

Built 1962 Load: 40.5 t ADT: 1,300

LRD WATER ST

Fair

Over: LA CROSSE RIVER

0.1M S JCT STH 16, Monroe, WI

Built 1977 Load: 40.5 t ADT: 5,500

LRD GROVER ROAD

Fair

Over: BEAR CREEK

1.5M E JCT CTH PP, Monroe, WI

Built 1981 Load: 40.5 t ADT: 182

LRD HOOVER RD

Fair

Over: BEAR CREEK

0.3M S JCT CTH C, Monroe, WI

Built 1981 Load: 40.5 t ADT: 182

LRD KILN AVE

Fair

Over: KICKAPOO RIVER

0.1M E JCT STH 131, Monroe, WI

Built 1991 Load: 40.5 t ADT: 78

STH 16-STH 71-WISC

Fair

Over: LA CROSSE RIVER

0.1M E JCT STH 21 TO E, Monroe, WI

Built 1996 Load: 40.5 t ADT: 7,000

LRD LANDMARK AVE

Fair

Over: BR MORRIS CREEK

0.1M S JCT STH 71, Monroe, WI

Built 1900 Load: 40.5 t ADT: 23

CTH S

Fair

Over: DUSTIN CREEK

1.6M E JCT STH 27, Monroe, WI

Built 1990 Load: 40.5 t ADT: 207

CTH AA

Fair

Over: BR SILVER CREEK

0.2M S JCT CTH A, Monroe, WI

Built 1981 Load: 40.5 t ADT: 283

LRD NOVENA RD (DEA

Fair

Over: BR KICKAPOO RIVER

0.1M N JCT EMBER AVE, Monroe, WI

Built 1983 Load: 40.5 t ADT: 20

USH 141 SB

Fair

Over: PENSAUKEE RIVER

0.3M S JCT CTH E TO W, Oconto, WI

Built 1992 Load: 40.5 t ADT: 8,750

USH 141 NB

Fair

Over: PENSAUKEE RIVER

0.4M N JCT CTH D TO W, Oconto, WI

Built 1992 Load: 40.5 t ADT: 8,750

CTH C

Fair

Over: LITTLE SUAMICO RIVER

1.0M S JCT CTH S, Oconto, WI

Built 1942 Load: 40.5 t ADT: 1,300

LRD EAGLE ST

Fair

Over: BOOM LAKE

0.1M N JCT STH 17, Oneida, WI

Built 1982 Load: 40.5 t ADT: 4,199

LRD PROSPECT AVE

Fair

Over: C&NW RR

0.6M W JCT CTH HH, Outagamie, WI

Built 1982 Load: 40.5 t ADT: 2,600

LRD DONGES BAY ROA

Fair

Over: LITTLE MENOMONEE RIVER

1.8M W JCT STH 181, Ozaukee, WI

Built 1990 Load: 40.5 t ADT: 2,700

LRD BRIDGE ST

Fair

Over: MILWAUKEE RIVER

0.1M E JCT STH 57, Ozaukee, WI

Built 1996 Load: 40.5 t ADT: 1,300

LRD HIGHLAND RD

Fair

Over: MILWAUKEE RIVER

0.8M W JCT CTH W, Ozaukee, WI

Built 1996 Load: 40.5 t ADT: 6,800

USH 10-STH 25

Fair

Over: CHIPPEWA RIVER OVERFLOW

0.8M E JCT STH 25 TO N, Pepin, WI

Built 1994 Load: 40.5 t ADT: 5,800

LRD 750TH ST

Fair

Over: GOOSE CREEK

0.1M S JCT STH 65, Pierce, WI

Built 1987 Load: 40.5 t ADT: 108

LRD 450TH AVE

Fair

Over: RUSH RIVER

1.2M N JCT USH 10, Pierce, WI

Built 1992 Load: 40.5 t ADT: 157

STH 35

Fair

Over: ISABELLE CREEK

2.7M N JCT CTH D, Pierce, WI

Built 1992 Load: 40.5 t ADT: 2,500

STH 35

Fair

Over: PINE CREEK

4.8M N JCT CTH J, Pierce, WI

Built 1992 Load: 40.5 t ADT: 1,300

STH 65

Fair

Over: TRIMBELLE RIVER

1.6M N JCT CTH J TO W, Pierce, WI

Built 1997 Load: 40.5 t ADT: 5,100

STH 46

Fair

Over: APPLE RIVER

4.1M N JCT CTH F TO E, Polk, WI

Built 1995 Load: 40.5 t ADT: 4,200

CTH G

Fair

Over: WOLF CREEK

3.2M W JCT STH 87, Polk, WI

Built 1994 Load: 40.5 t ADT: 390

LRD 20TH AVE

Fair

Over: HORSE CREEK

0.3M W JCT CTH M, Polk, WI

Built 1973 Load: 40.5 t ADT: 54

LRD RANDOLPH ST

Fair

Over: FLUME CREEK

0.1M EAST JCT MAIN ST., Portage, WI

Built 2006 Load: 40.5 t ADT: 84

CTH HH

Fair

Over: WISCONSIN RIVER OVRFLW

0.8M E JCT CTH E TO S, Portage, WI

Built 2006 Load: 40.5 t ADT: 8,575

LRD BRIDGE STREET

Fair

Over: WHITE RIVER

0.1M N JCT STH 11 TO W, Racine, WI

Built 1983 Load: 40.5 t ADT: 7,700

STH 80-WISCONSIN S

Fair

Over: WISCONSIN RIVER 04

0.9M N JCT STH 133 TO S, Richland, WI

Built 1989 Load: 40.5 t ADT: 2,400

LRD PREGAL HILL RD

Fair

Over: WILLOW CREEK

0.1M S JCT STH 58, Richland, WI

Built 1988 Load: 40.5 t ADT: 22

LRD TWIN BLUFFS RD

Fair

Over: PINE RIVER

0.1M S JCT USH 14, Richland, WI

Built 1991 Load: 40.5 t ADT: 257

LRD SPARKS HILL RD

Fair

Over: MCGLYNN CREEK

0.1M E JCT STH 58, Richland, WI

Built 2003 Load: 40.5 t ADT: 85

LRD WIEDENFIELD LA

Fair

Over: WILLOW CREEK

0.1M W JCT STH 58, Richland, WI

Built 2003 Load: 40.5 t ADT: 17

USH 14

Fair

Over: BLACKHAWK CREEK

1.2M E JCT CTH A, Rock, WI

Built 1951 Load: 40.5 t ADT: 11,300

CTH D AFTON RD

Fair

Over: MARKHAM CREEK

2.6M W JCT USH 51, Rock, WI

Built 1957 Load: 40.5 t ADT: 2,235

LRD W RACINE ST

Fair

Over: ROCK RIVER

0.9M E JCT USH 51, Rock, WI

Built 1949 Load: 40.5 t ADT: 6,600

STH 81

Fair

Over: WILLOW CREEK

2.9M E JCT STH 11 TO E, Rock, WI

Built 1976 Load: 40.5 t ADT: 3,500

LRD BELOIT AVE

Fair

Over: SPRING BROOK

0.7M S JCT STH 11, Rock, WI

Built 1990 Load: 40.5 t ADT: 7,500

LRD TOWNSEND RD

Fair

Over: STEVENS CREEK

3.1M W JCT STH 184, Rock, WI

Built 1990 Load: 40.5 t ADT: 135

STH 104

Fair

Over: ALLEN CREEK

0.7M N JCT STH 59 E, Rock, WI

Built 1993 Load: 40.5 t ADT: 3,000

LRD SCHAFFNER RD

Fair

Over: BR BASS CREEK

0.8M W JCT CTH H, Rock, WI

Built 1996 Load: 40.5 t ADT: 40

CTH O

Fair

Over: DEVILS CREEK

3.4M W JCT STH 40--30, Rusk, WI

Built 1999 Load: 40.5 t ADT: 488

LRD NESSA RD

Fair

Over: S FK MAIN CREEK

1.7M E JCT STH 73-98, Rusk, WI

Built 1999 Load: 40.5 t ADT: 54

CTH W

Fair

Over: SEELEY CREEK

1.7M E JCT CTH D, Sauk, WI

Built 1992 Load: 40.5 t ADT: 293

CTH O

Fair

Over: HONEY CREEK

2.6M W JCT STH 60, Sauk, WI

Built 1996 Load: 40.5 t ADT: 584

STH 23

Fair

Over: HONEY CREEK

4.0M E JCT CTH N, Sauk, WI

Built 1937 Load: 40.5 t ADT: 1,600

LRD SWARTZ ST

Fair

Over: SWAN CREEK

0.1M S JCT STH 48, Sawyer, WI

Built 1994 Load: 40.5 t ADT: 119

CTH E

Fair

Over: PICKEREL CREEK

0.7M E JCT STH 117, Shawano, WI

Built 1994 Load: 40.5 t ADT: 860

Showing 7,251-7,300 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.