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 DOUGHERTY CREE

Fair

Over: BR DOUGHERTY CREEK

2.7M W JCT CTH C, Green, WI

Built 1910 Load: 22.7 t ADT: 105

LRD LAKE AVE

Fair

Over: W BR LITTLE SUGAR RIVER

0.2M E JCT CTH F, Green, WI

Built 1974 Load: 22.7 t ADT: 1,055

LRD WITT RD

Fair

Over: BR BURGY CREEK

1.3M N JCT CTH FF, Green, WI

Built 1956 Load: 22.7 t ADT: 79

CTH FF

Fair

Over: SEARLES CREEK

0.3M W JCT STH 59, Green, WI

Built 1961 Load: 22.7 t ADT: 263

LRD SOUTH LAWSON D

Fair

Over: PUCHYAN RIVER

0.2M S JCT CTH A, Green Lake, WI

Built 1929 Load: 22.7 t ADT: 2,769

LRD BANNER RD

Fair

Over: DODGE BRANCH

0.4M S JCT STH 191, Iowa, WI

Built 1976 Load: 22.7 t ADT: 156

LRD DARLINGTON RD

Fair

Over: BREWERY CREEK

0.1M S JCT STH 23, Iowa, WI

Built 1940 Load: 22.7 t ADT: 156

LRD SANDY BEACH RO

Fair

Over: LOST CREEK

0.5 MI N JCT POWELL RD, Iron, WI

Built 1930 Load: 22.7 t ADT: 120

CTH N

Fair

Over: WHITE CREEK

0.2M W JCT STH 54, Jackson, WI

Built 1997 Load: 22.7 t ADT: 360

CTH E JEFFERSON ST

Fair

Over: SCUPPERNONG RIVER

0.4M N JCT STH 135, Jefferson, WI

Built 1974 Load: 22.7 t ADT: 1,100

LRD 9TH ST EAST

Fair

Over: CRANBERRY CREEK

1.6M W JCT CTH G, Juneau, WI

Built 1978 Load: 22.7 t ADT: 47

LRD OLD GREEN BAY

Fair

Over: N BR PIKE RIVER

1.5M N JCT CTH E, Kenosha, WI

Built 1953 Load: 22.7 t ADT: 1,900

STH 50 WB-STH 83 N

Fair

Over: FOX RIVER

2.4M W JCT CTH B, Kenosha, WI

Built 1986 Load: 22.7 t ADT: 10,750

CTH CJ

Fair

Over: DUTCH GAP CANAL

0.6M E JCT USH 45, Kenosha, WI

Built 1960 Load: 22.7 t ADT: 640

LRD COLLIGIATE RD

Fair

Over: NO-NAME CREEK

0.5M W JCT AB, Kewaunee, WI

Built 1940 Load: 22.7 t ADT: 1

STH 35-GEORGE ST

Fair

Over: CMSTPP RR

1.4M N JCT STH 16 (A), La Crosse, WI

Built 1962 Load: 22.7 t ADT: 14,700

CTH M

Fair

Over: BR PECATONICA RIVER

1.0M E JCT STH 81, Lafayette, WI

Built 1969 Load: 22.7 t ADT: 434

CTH N

Fair

Over: YELLOWSTONE RIVER

4.2M N JCT CTH G, Lafayette, WI

Built 1968 Load: 22.7 t ADT: 264

LRD OAK PARK RD

Fair

Over: PECATONICA RIVER

3.7M S JCT USH 151, Lafayette, WI

Built 1940 Load: 22.7 t ADT: 58

LRD KINGS RD

Fair

Over: BR PECATONICA RIVER

1.6M N JCT CTH C, Lafayette, WI

Built 1940 Load: 22.7 t ADT: 94

LRD SILVERTHORN RD

Fair

Over: BR SHULLSBURG BRANCH

1.2M E JCT CTH I, Lafayette, WI

Built 1951 Load: 22.7 t ADT: 88

LRD LARSE RD

Fair

Over: PECATONICA RIVER

1.6M N JCT STH 11, Lafayette, WI

Built 1958 Load: 22.7 t ADT: 58

USH 8

Fair

Over: TOMAHAWK RIVER

0.4M E JCT CTH Y, Lincoln, WI

Built 1936 Load: 22.7 t ADT: 3,100

LRD FOSTER ST

Fair

Over: DEVIL CREEK

0.6M S JCT STH 64, Lincoln, WI

Built 1967 Load: 22.7 t ADT: 2,036

IH 43 SB

Fair

Over: CNW RR

1.7M S JCT STH 96, Manitowoc, WI

Built 1979 Load: 22.7 t ADT: 9,800

LRD TAUS RD

Fair

Over: BRANCH RIVER

0.6M E JCT CTH "J", Manitowoc, WI

Built 1973 Load: 22.7 t ADT: 47

CTH Y

Fair

Over: W TWIN RIVER

0.3M W JCT CTH Q, Manitowoc, WI

Built 1967 Load: 22.7 t ADT: 650

LRD GOODWIN RD

Fair

Over: MUD CREEK

0.3M E JCT STH 32, Manitowoc, WI

Built 1968 Load: 22.7 t ADT: 47

LRD CENTERVILLE RD

Fair

Over: POINT CREEK

0.8M S JCT CTH F, Manitowoc, WI

Built 1941 Load: 22.7 t ADT: 47

LRD LEIST RD

Fair

Over: MANITOWOC RIVER

1.1M N JCT CTH JJ, Manitowoc, WI

Built 1965 Load: 22.7 t ADT: 205

STH 97

Fair

Over: LITTLE EAU PLEINE RIVER

0.1M N JCT CTH T, Marathon, WI

Built 1966 Load: 22.7 t ADT: 7,600

CTH C

Fair

Over: JOHNSON CREEK

1.1M W JCT CTH X, Marathon, WI

Built 1969 Load: 22.7 t ADT: 493

CTH X

Fair

Over: JOHNSON CREEK

1.7M N JCT CTH C, Marathon, WI

Built 1969 Load: 22.7 t ADT: 873

CTH O

Fair

Over: LITTLE RIB RIVER

1.9M N JCT CTH U, Marathon, WI

Built 1970 Load: 22.7 t ADT: 1,250

LRD TOWN LINE RD

Fair

Over: MARSH CREEK

1.2M S JCT STH 29, Marathon, WI

Built 1941 Load: 22.7 t ADT: 90

LRD BEVENT RD

Fair

Over: PLOVER RIVER

1.3M W JCT CTH Y, Marathon, WI

Built 1975 Load: 22.7 t ADT: 90

LRD CHESAK RD.

Fair

Over: HAMAN CREEK

1.7M W JCT STH 97, Marathon, WI

Built 1940 Load: 22.7 t ADT: 90

LRD STAR RD

Fair

Over: E BR BIG SANDY CREEK

2.1M S JCT STH 52, Marathon, WI

Built 1966 Load: 22.7 t ADT: 11

LRD NORTH RD (DEAD

Fair

Over: JOHNSON CREEK

5.0M E JCT CTH X, Marathon, WI

Built 1935 Load: 22.7 t ADT: 50

LRD PARK ST

Fair

Over: MONTELLO RIVER

0.1M N JCT STH 23, Marquette, WI

Built 1987 Load: 22.7 t ADT: 1,800

LRD IRR BRAVE ISLA

Fair

Over: LEGEND LAKE

0.6M N JCT CTH VV, Menominee, WI

Built 1970 Load: 22.7 t ADT: 20

CTH PP W GOOD HOP

Fair

Over: MILWAUKEE RIVER

0.7M W JCT IH 43, Milwaukee, WI

Built 1967 Load: 22.7 t ADT: 15,150

CTH PP W GOOD HOP

Fair

Over: MILWAUKEE RIVER

0.6M E JCT STH 57, Milwaukee, WI

Built 1967 Load: 22.7 t ADT: 15,150

CTH PP W GOOD HOP

Fair

Over: MILWAUKEE RIVER

0.6M W JCT IH 43, Milwaukee, WI

Built 1967 Load: 22.7 t ADT: 15,150

LRD WATERTOWN PLAN

Fair

Over: UNDERWOOD CREEK / CMSTPP

0.1 MI W JCT STH 100, Milwaukee, WI

Built 1972 Load: 22.7 t ADT: 5,550

LRD WHITNALL PARK

Fair

Over: ROOT RIVER

0.9M W JCT CTH U, Milwaukee, WI

Built 1935 Load: 22.7 t ADT: 47

LRD KRYPTON ROAD

Fair

Over: LITTLE LEMONWEIR RIVER

0.5M S JCT CTH A, Monroe, WI

Built 1967 Load: 22.7 t ADT: 29

CTH A

Fair

Over: BR INDIAN CREEK

0.6M E JCT CTH N TO N, Monroe, WI

Built 1926 Load: 22.7 t ADT: 430

LRD E CHAIN LAKE R

Fair

Over: MCCASLIN BROOK

0.8M S JCT STH 32, Oconto, WI

Built 1928 Load: 22.7 t ADT: 175

CTH M

Fair

Over: LITTLE RIVER

0.5M W JCT USH 141, Oconto, WI

Built 1923 Load: 22.7 t ADT: 1,100

Showing 3,601-3,650 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.