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 MANITOWOC ST

Fair

Over: BR MUD CREEK

0.3M W JCT STH 32, Manitowoc, WI

Built 1968 Load: 16.2 t ADT: 94

CTH C

Fair

Over: W BR LT EAU PLEINE RIVER

0.8M W JCT CTH F, Marathon, WI

Built 1930 Load: 16.2 t ADT: 1,465

CTH B

Fair

Over: BUNDY CREEK

4.0M E JCT CTH W, Marinette, WI

Built 1958 Load: 16.2 t ADT: 970

LRD ST PAUL RD

Fair

Over: THE OUTLET

1.2M S JCT CTH W, Marinette, WI

Built 1930 Load: 16.2 t ADT: 110

LRD W HAMPTON AVE

Fair

Over: MILWAUKEE RIVER

0.2M E JCT STH 57, Milwaukee, WI

Built 1967 Load: 16.2 t ADT: 14,700

CTH N

Fair

Over: LITTLE LEMONWEIR CREEK

2.7M S JCT CTH A, Monroe, WI

Built 1938 Load: 16.2 t ADT: 250

LRD GROVER RD

Fair

Over: ALLEN CREEK

1.8M N JCT USH 12, Monroe, WI

Built 1976 Load: 16.2 t ADT: 94

LRD ICEBOX RD

Fair

Over: LITTLE LA CROSSE RIVER

1.3M W JCT STH 27, Monroe, WI

Built 1945 Load: 16.2 t ADT: 23

LRD E BIG LAKE LOO

Fair

Over: EAGLE RIVER

2.7M E JCT USH 45, Oneida, WI

Built 1969 Load: 16.2 t ADT: 221

CTH O

Fair

Over: BEAR CREEK

1.3M W JCT CTH A, Outagamie, WI

Built 1962 Load: 16.2 t ADT: 1,230

CTH F

Fair

Over: BEAR CREEK

0.4M E JCT CTH D, Outagamie, WI

Built 1964 Load: 16.2 t ADT: 325

CTH A

Fair

Over: MACKVILLE CREEK

0.8M N JCT CTH O, Outagamie, WI

Built 1938 Load: 16.2 t ADT: 5,757

LRD WEGE ROAD

Fair

Over: MACKVILLE CREEK

1.3M W JCT STH 47, Outagamie, WI

Built 1960 Load: 16.2 t ADT: 94

USH 63

Fair

Over: LITTLE TRIMBELLE RIVER

0.2M N JCT CTH K, Pierce, WI

Built 1952 Load: 16.2 t ADT: 4,100

CTH D

Fair

Over: BASSWOOD CREEK

1.2M E JCT CTH A, Richland, WI

Built 1951 Load: 16.2 t ADT: 196

CTH F

Fair

Over: KNAPP CREEK

0.4M S JCT CTH U, Richland, WI

Built 1958 Load: 16.2 t ADT: 185

CTH F

Fair

Over: BEEBE HOLLOW CREEK

0.3M N JCT CTH U, Richland, WI

Built 1959 Load: 16.2 t ADT: 120

LRD NELSON RD

Fair

Over: SUGAR RIVER

2.6M S JCT STH 81, Rock, WI

Built 1958 Load: 16.2 t ADT: 117

CTH Y

Fair

Over: PLUM CREEK

0.1M W JCT CTH G, Sauk, WI

Built 1973 Load: 16.2 t ADT: 175

LRD STOUT RD

Fair

Over: CROSSMAN CREEK

1.0M N JCT STH 33, Sauk, WI

Built 1929 Load: 16.2 t ADT: 136

LRD CTH PP

Fair

Over: MULLET RIVER

0.3M W JCT CTH PPP, Sheboygan, WI

Built 1936 Load: 16.2 t ADT: 1,040

LRD WILLOW RD

Fair

Over: MULLET RIVER

0.3M S JCT CTH PP, Sheboygan, WI

Built 1950 Load: 16.2 t ADT: 47

LRD W EVERGREEN DR

Fair

Over: BLACK RIVER

0.1M E JCT CTH EE, Sheboygan, WI

Built 1964 Load: 16.2 t ADT: 23

LRD BROADWAY ST

Fair

Over: ONION RIVER

0.5M S JCT STH 32, Sheboygan, WI

Built 1936 Load: 16.2 t ADT: 3,100

LRD PERKINS ST

Fair

Over: BLACK RIVER

0.1M S JCT STH 64, Taylor, WI

Built 1964 Load: 16.2 t ADT: 3,997

LRD 8TH AVE

Fair

Over: N FK EAU CLAIRE RIVER

1.3M N CLARK CO LINE, Taylor, WI

Built 1930 Load: 16.2 t ADT: 87

LRD CHURCH HILL RD

Fair

Over: NORTH CREEK

2.7M N JCT STH 95, Trempealeau, WI

Built 1975 Load: 16.2 t ADT: 58

LRD WHALEN RD

Fair

Over: S FK BEAVER CREEK

0.1M E JCT CTH D, Trempealeau, WI

Built 1972 Load: 16.2 t ADT: 205

LRD KULASH RD

Fair

Over: GREENWOOD VALLEY CREEK

0.1M S JCT STH 80, Vernon, WI

Built 1935 Load: 16.2 t ADT: 47

LRD SOUTH JUG CREE

Fair

Over: JUG CREEK

0.5M E JCT STH 131, Vernon, WI

Built 1950 Load: 16.2 t ADT: 47

LRD HORNBY HOLLOW

Fair

Over: BR HORNBY CREEK

1.8M E JCT CTH N, Vernon, WI

Built 1960 Load: 16.2 t ADT: 47

LRD TEMPERANCE TRA

Fair

Over: LITTLE TURTLE CREEK

0.3M S JCT CTH X, Walworth, WI

Built 1973 Load: 16.2 t ADT: 117

LRD LAKESIDE RD.

Fair

Over: TOTOGATIC RIVER

0.8M N JCT USH 53, Washburn, WI

Built 1926 Load: 16.2 t ADT: 23

LRD PLEASANT VALLE

Fair

Over: BR CEDAR CREEK

0.3M E JCT CTH M, Washington, WI

Built 1930 Load: 16.2 t ADT: 58

LRD 29TH DR

Fair

Over: AUSTIN CREEK

1.2M N JCT CTH A, Waushara, WI

Built 1921 Load: 16.2 t ADT: 225

LRD POLISH RD

Fair

Over: ROCKY CREEK

0.7M N JCT CTH C, Wood, WI

Built 1945 Load: 16.2 t ADT: 100

IRR BIA RTE 51

Fair

Over: SO. BRANCH OCONTO RIVER

0.3 KM NORTH OF BIA RTE 7, Menominee, WI

Built 1977 Load: 17.0 t ADT: 70

CTH A

Fair

Over: RED CEDAR RIVER

0.5M W JCT CTH I TO S, Barron, WI

Built 1980 Load: 17.8 t ADT: 1,635

CTH C

Fair

Over: SPRING CREEK

2.5M E JCT CTH NN, Barron, WI

Built 1948 Load: 17.8 t ADT: 1,199

LRD 10 1/2 AVE

Fair

Over: TURTLE CREEK

2.1M W JCT CTH P, Barron, WI

Built 1963 Load: 17.8 t ADT: 94

LRD 7TH AVE

Fair

Over: HAY RIVER

0.9M W JCT CTH F, Barron, WI

Built 1977 Load: 17.8 t ADT: 47

CTH U

Fair

Over: E BR UPPER PINE CREEK

0.6M N JCT CTH A, Barron, WI

Built 1966 Load: 17.8 t ADT: 741

STH 29 & NE & SE R

Fair

Over: BR LANCASTER BROOK

0.2M E JCT CTH FF, Brown, WI

Built 1955 Load: 17.8 t ADT: 33,800

LRD RYAN RD

Fair

Over: EAST RIVER

1.2M W JCT STH 32, Brown, WI

Built 1959 Load: 17.8 t ADT: 200

LRD WEBER RD

Fair

Over: EAST RIVER

1.3M S JCT STH 57, Brown, WI

Built 1964 Load: 17.8 t ADT: 94

LRD MARIBEL RD

Fair

Over: NESHOTA RIVER

0.8M N JCT CTH KB, Brown, WI

Built 1971 Load: 17.8 t ADT: 94

CTH J

Fair

Over: BUFFALO RIVER

0.1M W JCT STH 37, Buffalo, WI

Built 1956 Load: 17.8 t ADT: 217

CTH E

Fair

Over: LITTLE WAUMANDEE CREEK

1.0M E JCT STH 88, Buffalo, WI

Built 1968 Load: 17.8 t ADT: 813

CTH BB

Fair

Over: BUFFALO RIVER

0.3M S JCT USH 10, Buffalo, WI

Built 1969 Load: 17.8 t ADT: 542

LRD EBERSOLD RD (D

Fair

Over: PINE CREEK

0.6M N JCT STH 37, Buffalo, WI

Built 1975 Load: 17.8 t ADT: 10

Showing 3,051-3,100 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.