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

CTH RK

Fair

Over: DUCK CREEK

AT DUCK CREEK, Brown, WI

Built 2011 Load: 36.0 t ADT: 11,730

LRD 60TH AVE

Fair

Over: RUSH RIVER - DRY STREAMB

0.9 MI W USH 63, St. Croix, WI

Built 1980 Load: 36.0 t ADT: 300

LRD DIVISION RD

Fair

Over: JEFFERSON DITCH

0.7 MI S OF MEQUON RD, Washington, WI

Built 1998 Load: 36.0 t ADT: 4,600

CTH SS

Fair

Over: CHETEK RIVER

0.2M S JCT CTH I, Barron, WI

Built 1928 Load: 36.3 t ADT: 2,450

CTH S

Fair

Over: PENSAUKEE RIVER

0.1M N JCT CTH SS, Oconto, WI

Built 1961 Load: 36.3 t ADT: 780

CTH G

Fair

Over: TRAPPE RIVER

0.7M E JCT CTH J, Marathon, WI

Built 1964 Load: 36.6 t ADT: 143

CTH Y NB & SB

Fair

Over: EAU CLAIRE RIVER

1.6 MILES N OF JCT CTH Z, Marathon, WI

Built 2015 Load: 36.6 t ADT: 236

CTH X

Fair

Over: BULL JUNIOR CREEK

1.2M S JCT CTH XX, Marathon, WI

Built 1976 Load: 36.6 t ADT: 1,737

LRD 20TH AVENUE

Fair

Over: BIG ROCHE-A-CRI CREEK

2.2M S JCT STH 21, Adams, WI

Built 1989 Load: 37.3 t ADT: 92

USH IRR (USH 2)

Fair

Over: BEARTRAP CREEK

6.3M E JCT STH 13 TO S, Ashland, WI

Built 1976 Load: 37.3 t ADT: 4,800

LRD MARENGO RIVER

Fair

Over: MARENGO RIVER

1.5M W JCT STH 13, Ashland, WI

Built 1988 Load: 37.3 t ADT: 91

STH 169

Fair

Over: TYLER FORKS RIVER

8.1M N JCT STH 13, Ashland, WI

Built 1993 Load: 37.3 t ADT: 270

STH 13

Fair

Over: BUTTERNUT CREEK

6.0M N JCT STH 182, Ashland, WI

Built 2000 Load: 37.3 t ADT: 3,400

CTH F

Fair

Over: BUTTERNUT CREEK

1.7 M E JCT STH 13, Ashland, WI

Built 2004 Load: 37.3 t ADT: 738

STH 25

Fair

Over: S BR PINE CREEK

1.2M N JCT CTH V, Barron, WI

Built 1970 Load: 37.3 t ADT: 2,500

USH 53 SB

Fair

Over: RED CEDAR RIVER

4.6M S JCT STH 48 TO E, Barron, WI

Built 1977 Load: 37.3 t ADT: 6,400

STH 48

Fair

Over: RED CEDAR RIVER

0.1M E JCT CTH M TO N, Barron, WI

Built 1987 Load: 37.3 t ADT: 4,300

CTH M

Fair

Over: POKEGAMA FLOWAGE

2.4M N JCT CTH D, Barron, WI

Built 1984 Load: 37.3 t ADT: 6,540

LRD 26 1/2 STREET

Fair

Over: TEN MILE CREEK

0.1M N OF 5 7/8AVENUE, Barron, WI

Built 1988 Load: 37.3 t ADT: 143

LRD 13TH AVE

Fair

Over: HAY RIVER

1.3M E JCT CTH P, Barron, WI

Built 1962 Load: 37.3 t ADT: 47

LRD 11TH ST

Fair

Over: VERMILLION RIVER

0.2M N JCT USH 8, Barron, WI

Built 1974 Load: 37.3 t ADT: 88

LRD 3RD ST

Fair

Over: MOON CREEK

0.2M N 9/1/2 AVENUE, Barron, WI

Built 1976 Load: 37.3 t ADT: 47

LRD 7TH AVE

Fair

Over: BR HAY RIVER

0.2M E JCT CTH P, Barron, WI

Built 1930 Load: 37.3 t ADT: 47

LRD 21ST ST

Fair

Over: BR RED CEDAR RIVER

0.7M S JCT CTH D, Barron, WI

Built 1965 Load: 37.3 t ADT: 47

CTH A

Fair

Over: SCHACTE CREEK

3.4M N JCT CTH B, Bayfield, WI

Built 1976 Load: 37.3 t ADT: 925

CTH A

Fair

Over: E FK IRON RIVER

3.6M N JCT CTH B, Bayfield, WI

Built 1976 Load: 37.3 t ADT: 874

STH 13

Fair

Over: WHITTLESEY CREEK

0.5M N JCT USH 2 TO W, Bayfield, WI

Built 1954 Load: 37.3 t ADT: 7,500

LRD TELEMARK RD

Fair

Over: NAMEKAGON RIVER

0.4M S JCT CTH M, Bayfield, WI

Built 1999 Load: 37.3 t ADT: 711

LRD DANZ AVE

Fair

Over: BAIRD CREEK

0.6M N JCT STH X32, Brown, WI

Built 1962 Load: 37.3 t ADT: 10,504

LRD MASON ST

Fair

Over: EAST RIVER

1.0M E JCT STH 57, Brown, WI

Built 1973 Load: 37.3 t ADT: 29,071

CTH PP

Fair

Over: EAST RIVER

1.0M N JCT CTH W, Brown, WI

Built 1987 Load: 37.3 t ADT: 6,300

CTH ZZ WASHINGTON

Fair

Over: PLUM CREEK

0.1M S JCT STH 96, Brown, WI

Built 1983 Load: 37.3 t ADT: 1,070

LRD MILL RD

Fair

Over: EAST RIVER

1.3M W JCT STH 57, Brown, WI

Built 1996 Load: 37.3 t ADT: 23

USH 141-MAIN ST

Fair

Over: FOX RIVER

0.4M N JCT STH 29 TO W, Brown, WI

Built 1998 Load: 37.3 t ADT: 13,631

LRD KVITEK RD

Fair

Over: BR DEVILS RIVER

1.2M S JCT STH 96, Brown, WI

Built 2000 Load: 37.3 t ADT: 88

STH 32

Fair

Over: FOX RIVER

0.1M N JCT STH 57 TO N, Brown, WI

Built 2007 Load: 37.3 t ADT: 29,500

LRD OWEN VALLEY RD

Fair

Over: OWEN VALLEY CREEK

0.6M E JCT CTH F, Buffalo, WI

Built 1985 Load: 37.3 t ADT: 46

LRD WATER ST

Fair

Over: BROWNLEE CREEK

0.1M E JCT STH 37, Buffalo, WI

Built 1987 Load: 37.3 t ADT: 664

USH 10

Fair

Over: HARVEY CREEK

3.6M E JCT CTH BB TO N, Buffalo, WI

Built 1936 Load: 37.3 t ADT: 1,900

LRD SAND ROAD

Fair

Over: ELK CREEK

0.3M N JCT STH 88, Buffalo, WI

Built 1979 Load: 37.3 t ADT: 94

CTH Y

Fair

Over: ROSSMAN CREEK

0.9M S JCT CTH HH, Buffalo, WI

Built 1976 Load: 37.3 t ADT: 160

LRD HEINZ RD (DEAD

Fair

Over: BR WAUMANDEE CREEK

0.1M N JCT CTH U, Buffalo, WI

Built 1978 Load: 37.3 t ADT: 30

LRD ST CROIX TR

Fair

Over: ST CROIX RIVER 11

5.5M E JCT STH 35, Burnett, WI

Built 1983 Load: 37.3 t ADT: 58

STH 35

Fair

Over: YELLOW RIVER

1.0M N JCT CTH U, Burnett, WI

Built 1986 Load: 37.3 t ADT: 5,500

LRD SODERBERG RD

Fair

Over: CLAM RIVER

0.6M S JCT CTH B, Burnett, WI

Built 1997 Load: 37.3 t ADT: 47

STH 35

Fair

Over: CLAM RIVER

CLAM RIVER, Burnett, WI

Built 2002 Load: 37.3 t ADT: 6,900

LRD ICE HOUSE BRID

Fair

Over: CLAM RIVER

3.3M N JCT CTH D, Burnett, WI

Built 1972 Load: 37.3 t ADT: 94

CTH B

Fair

Over: N BR MANITOWOC RIVER

2.3M W JCT STH 57, Calumet, WI

Built 1977 Load: 37.3 t ADT: 1,300

CTH PP

Fair

Over: N BR MANITOWOC RIVER

0.2M E JCT CTH Y, Calumet, WI

Built 1982 Load: 37.3 t ADT: 2,500

LRD STATE ST

Fair

Over: S BR MANITOWOC RIVER

0.1M S JCT USH 151, Calumet, WI

Built 1988 Load: 37.3 t ADT: 1,100

Showing 6,501-6,550 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.