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%.

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.

All Bridges in Wisconsin

LRD LARSON RD (DEA

Fair

Over: BOSTWICK CREEK

0.1M E JCT CTH I, La Crosse, WI

Built 1989 Load: 35.6 t ADT: 20

CTH JB

Fair

Over: DUTCH CREEK

1.3M S JCT STH 162, La Crosse, WI

Built 1977 Load: 35.6 t ADT: 76

LRD APPLE CHURCH G

Fair

Over: APPLE BRANCH

1.1M S JCT STH 81, Lafayette, WI

Built 1969 Load: 35.6 t ADT: 41

LRD 5TH ST

Fair

Over: SPRING BROOK

0.1M E JCT USH 45 TO N, Langlade, WI

Built 1973 Load: 35.6 t ADT: 8,486

CTH G

Fair

Over: SPRING BROOK

0.2M E JCT CTH X, Langlade, WI

Built 1987 Load: 35.6 t ADT: 813

CTH T

Fair

Over: HUNTING RIVER

0.2M W JCT CTH U, Langlade, WI

Built 1989 Load: 35.6 t ADT: 150

CTH K

Fair

Over: WOLF RIVER

0.7M W JCT CTH Z, Langlade, WI

Built 1990 Load: 35.6 t ADT: 1,448

CTH C

Fair

Over: W BR EAU CLAIRE RIVER

0.1M W JCT CTH H, Langlade, WI

Built 1938 Load: 35.6 t ADT: 720

USH 51 NB

Fair

Over: WISCONSIN RIVER 35

0.7M N JCT CTH Q, Lincoln, WI

Built 1974 Load: 35.6 t ADT: 8,700

USH 51 SB

Fair

Over: WISCONSIN RIVER 36

2.7M S JCT STH 64 TO E, Lincoln, WI

Built 1974 Load: 35.6 t ADT: 8,200

CTH K

Fair

Over: PRAIRIE RIVER

0.1M N JCT CTH G, Lincoln, WI

Built 1998 Load: 35.6 t ADT: 5,123

CTH H

Fair

Over: BIG PINE CREEK

0.1M N JCT CTH D, Lincoln, WI

Built 1990 Load: 35.6 t ADT: 319

STH 32 NB-STH 57 N

Fair

Over: SHEBOYGAN RIVER

0.9M N JCT STH 57 TO S, Manitowoc, WI

Built 1957 Load: 35.6 t ADT: 3,800

STH 42

Fair

Over: MANITOWOC RIVER

AT MANITOWOC RIVER, Manitowoc, WI

Built 1987 Load: 35.6 t ADT: 10,900

STH 147

Fair

Over: WEST TWIN RIVER

2.1M N JCT CTH Q, Manitowoc, WI

Built 1994 Load: 35.6 t ADT: 3,600

CTH VV

Fair

Over: EAST TWIN RIVER

0.7M E JCT STH 147, Manitowoc, WI

Built 1992 Load: 35.6 t ADT: 2,400

USH 10 WB-8TH STRE

Fair

Over: MANITOWOC RIVER

1.3M W LAKE MICHIGAN, Manitowoc, WI

Built 1995 Load: 35.6 t ADT: 10,300

CTH B

Fair

Over: W TWIN RIVER

0.1M S JCT CTH VV, Manitowoc, WI

Built 1993 Load: 35.6 t ADT: 6,500

CTH J

Fair

Over: BRANCH RIVER

3.6M S JCT CTH K, Manitowoc, WI

Built 2007 Load: 35.6 t ADT: 675

USH 151

Fair

Over: CEDAR CREEK

4.3M N JCT CTH T, Manitowoc, WI

Built 1936 Load: 35.6 t ADT: 3,800

STH 29 WB

Fair

Over: BIG RIB RIVER

0.7M W JCT STH 107, Marathon, WI

Built 1991 Load: 35.6 t ADT: 8,280

LRD SHADY LANE RD

Fair

Over: TRAPPE RIVER

0.1M N JCT CTH W, Marathon, WI

Built 1982 Load: 35.6 t ADT: 422

STH 29 WB

Fair

Over: PORKY CREEK

2.8M W JCT CTH F, Marathon, WI

Built 1982 Load: 35.6 t ADT: 5,600

CTH N

Fair

Over: SODA CREEK

0.6M W JCT CTH S, Marathon, WI

Built 1986 Load: 35.6 t ADT: 1,600

LRD ESKER RD

Fair

Over: PLOVER RIVER

1.2M W JCT CTH Y, Marathon, WI

Built 1992 Load: 35.6 t ADT: 50

LRD PORCUPINE RD

Fair

Over: TRAPPE RIVER

0.6M N JCT CTH G, Marathon, WI

Built 1993 Load: 35.6 t ADT: 55

LRD LITTLE TRAPPE

Fair

Over: LITTLE TRAPPE RIVER

0.8M W JCT CTH WW, Marathon, WI

Built 1993 Load: 35.6 t ADT: 55

USH STH 52-USH B51

Fair

Over: WISCONSIN RIVER 32

0.7M N JCT STH 52 TO E, Marathon, WI

Built 1997 Load: 35.6 t ADT: 27,244

USH B51-GRAND AVE

Fair

Over: EAU CLAIRE RIVER

0.6M N JCT STH 29 TO E, Marathon, WI

Built 1997 Load: 35.6 t ADT: 18,200

CTH H , 3RD ST

Fair

Over: SCOTCH CREEK

1.1M N JCT CTH N, Marathon, WI

Built 2000 Load: 35.6 t ADT: 3,450

STH 49

Fair

Over: LITTLE WOLF RIVER

0.1M N JCT CTH C, Marathon, WI

Built 1938 Load: 35.6 t ADT: 1,900

LRD CHASKI RD

Fair

Over: PLOVER RIVER

0.4M E JCT CTH Y, Marathon, WI

Built 1981 Load: 35.6 t ADT: 90

LRD N GAVIN AVE

Fair

Over: LITTLE EAU PLEINE RIVER

0.9M S JCT CTH C, Marathon, WI

Built 1962 Load: 35.6 t ADT: 68

LRD KRAUS ST

Fair

Over: BR LITTLE EAU PLEINE R

2.3M E JCT CTH M, Marathon, WI

Built 1965 Load: 35.6 t ADT: 50

CTH V

Fair

Over: PIKE RIVER

0.8M S JCT USH 141, Marinette, WI

Built 1989 Load: 35.6 t ADT: 351

USH 8

Fair

Over: K C CREEK

10.1M E JCT CTH H, Marinette, WI

Built 1997 Load: 35.6 t ADT: 1,100

CTH W - MAIN AVENU

Fair

Over: PESHTIGO RIVER

0.5M W JCT CTH A, Marinette, WI

Built 2001 Load: 35.6 t ADT: 5,025

CTH D

Fair

Over: BUFFALO LAKE

0.2M S JCT CTH C, Marquette, WI

Built 1975 Load: 35.6 t ADT: 1,000

CTH E

Fair

Over: MONTELLO RIVER

0.2M E JCT CTH B TO S, Marquette, WI

Built 1966 Load: 35.6 t ADT: 560

IH 94 EB-STADIUM I

Fair

Over: CMSTPP RR

2.7M E JCT STH 181 TO N, Milwaukee, WI

Built 1959 Load: 35.6 t ADT: 62,900

STH 32 SB-N FARWEL

Fair

Over: ABANDONED RR

2.5M S JCT STH 190, Milwaukee, WI

Built 1960 Load: 35.6 t ADT: 8,171

IH 41/USH 45 SB-ZO

Fair

Over: MENOMONEE RIVER

1.5 MI N JCT STH 190, Milwaukee, WI

Built 2000 Load: 35.6 t ADT: 69,500

IH 41/USH 45 NB-ZO

Fair

Over: MENOMONEE RIVER

1.5M N JCT STH190(G), Milwaukee, WI

Built 2001 Load: 35.6 t ADT: 69,500

STH 175 NB-APPLETO

Fair

Over: LITTLE MENOMONEE RIVER

0.4M N JCT CTH E, Milwaukee, WI

Built 1967 Load: 35.6 t ADT: 11,700

STH 175 SB-APPLETO

Fair

Over: LITTLE MENOMONEE RIVER

2.0M S JCT CTH PP, Milwaukee, WI

Built 1967 Load: 35.6 t ADT: 10,200

STH 181 SB-N 76TH

Fair

Over: CNW RR

1.0M S JCT STH 100 TO N, Milwaukee, WI

Built 1969 Load: 35.6 t ADT: 11,750

IH 794 EB-LAKE INT

Fair

Over: LAND

1.3 MI E JCT IH 94, Milwaukee, WI

Built 1974 Load: 35.6 t ADT: 39,850

LRD N 6TH ST

Fair

Over: MENOMONEE RIVER

0.2M N JCT CANAL ST, Milwaukee, WI

Built 2002 Load: 35.6 t ADT: 5,300

STH 241-27TH ST

Fair

Over: CNW RR

2.2M N JCT IH 894 TO E, Milwaukee, WI

Built 1936 Load: 35.6 t ADT: 24,900

LRD SWAN BLVD

Fair

Over: MENOMONEE RIVER

1.2M S JCT STH 190, Milwaukee, WI

Built 1978 Load: 35.6 t ADT: 7,600

Showing 6,301-6,350 of 14,851 bridges

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.

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.