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

STH 133

Fair

Over: RATTLESNAKE CREEK

7.6M N JCT CTH VV, Grant, WI

Built 1951 Load: 34.0 t ADT: 870

CTH U

Fair

Over: BEETOWN BRANCH

0.1M N JCT STH 81, Grant, WI

Built 1981 Load: 34.0 t ADT: 740

USH 18-STH 35

Fair

Over: LANE CREEK

3.4M E JCT CTH C, Grant, WI

Built 1992 Load: 34.0 t ADT: 4,000

LRD RATTLESNAKE RD

Fair

Over: RATTLESNAKE CREEK

0.2M S JCT STH 81, Grant, WI

Built 1973 Load: 34.0 t ADT: 37

LRD PLATTE RD

Fair

Over: PLATTE RIVER

1.3M N JCT CTH B, Grant, WI

Built 1935 Load: 34.0 t ADT: 51

STH 69

Fair

Over: LEGLER SCHOOL BRANCH

0.2M N JCT CTH H, Green, WI

Built 1956 Load: 34.0 t ADT: 7,900

CTH N

Fair

Over: HEFTY CREEK

0.3M N JCT CTH C, Green, WI

Built 1961 Load: 34.0 t ADT: 1,300

LRD ULLOM RD

Fair

Over: HONEY CREEK

0.8M N JCT CTH P, Green, WI

Built 1985 Load: 34.0 t ADT: 105

STH 11

Fair

Over: SKINNER CREEK

4.4M E JCT STH 176 TO N, Green, WI

Built 1998 Load: 34.0 t ADT: 4,700

STH 191

Fair

Over: BR DODGE BRANCH

3.4M E JCT STH 23, Iowa, WI

Built 1956 Load: 34.0 t ADT: 670

STH 191

Fair

Over: LEY CREEK

0.1M E JCT CTH W, Iowa, WI

Built 1988 Load: 34.0 t ADT: 900

LRD SAND HILL RD

Fair

Over: MORREY CREEK

1.1M S JCT STH 80, Iowa, WI

Built 1940 Load: 34.0 t ADT: 52

IH 94 EB

Fair

Over: BLACK RIVER

0.7M E JCT USH 12 (F), Jackson, WI

Built 1967 Load: 34.0 t ADT: 13,300

IH 94 WB

Fair

Over: BLACK RIVER

0.9M W JCT STH 54 (F), Jackson, WI

Built 1967 Load: 34.0 t ADT: 13,300

LRD HUSKELHUS RD

Fair

Over: PIGEON CREEK

0.3M N JCT STH 121, Jackson, WI

Built 1980 Load: 34.0 t ADT: 129

STH 54

Fair

Over: ROARING CREEK

4.0M E JCT CTH N, Jackson, WI

Built 1986 Load: 34.0 t ADT: 1,700

CTH VV

Fair

Over: BLACK RIVER

1.0M S JCT STH 54, Jackson, WI

Built 1985 Load: 34.0 t ADT: 510

LRD N BRANCH RD

Fair

Over: N BR TREMPEALEAU RIVER

2.3M N JCT STH 95, Jackson, WI

Built 1989 Load: 34.0 t ADT: 199

CTH S

Fair

Over: SHAMROCK CREEK

0.4M S JCT CTH O, Jackson, WI

Built 1989 Load: 34.0 t ADT: 112

CTH F

Fair

Over: W FK HALLS CREEK

3.3M N JCT STH 95, Jackson, WI

Built 1997 Load: 34.0 t ADT: 360

CTH N

Fair

Over: N FK BEAVER CREEK

0.1M N JCT CTH C, Jackson, WI

Built 1999 Load: 34.0 t ADT: 520

STH 121

Fair

Over: N BR TREMPEALEAU RIVER

4.8M E JCT IH 94 TO E, Jackson, WI

Built 1936 Load: 34.0 t ADT: 530

LRD POST RD

Fair

Over: FRENCH CREEK

0.1M W JCT CTH X, Jackson, WI

Built 1983 Load: 34.0 t ADT: 23

LRD E CUTOFF RD

Fair

Over: ROARING CREEK

0.1M S JCT STH 54, Jackson, WI

Built 1940 Load: 34.0 t ADT: 24

CTH F

Fair

Over: BARK RIVER

2.5M N JCT STH 106 TO E, Jefferson, WI

Built 1950 Load: 34.0 t ADT: 600

CTH F

Fair

Over: BARK RIVER

0.1M N JCT CTH P, Jefferson, WI

Built 1950 Load: 34.0 t ADT: 1,500

STH 19

Fair

Over: MAUNESHA RIVER

1.0M E JCT STH 89 TO S, Jefferson, WI

Built 1980 Load: 34.0 t ADT: 3,500

LRD FREMONT RD

Fair

Over: WHITEWATER RIVER

0.4M S JCT CTH U, Jefferson, WI

Built 1997 Load: 34.0 t ADT: 2,080

CTH A

Fair

Over: LITTLE LEMONWEIR RIVER

0.9M W JCT CTH H, Juneau, WI

Built 1987 Load: 34.0 t ADT: 618

STH 80-E BRIDGE ST

Fair

Over: LEMONWEIR RIVER

0.2M N JCT USH 12 TO W, Juneau, WI

Built 1995 Load: 34.0 t ADT: 3,300

USH 12-STH 16

Fair

Over: LITTLE LEMONWEIR RIVER

2.5M E JCT CTH C, Juneau, WI

Built 1931 Load: 34.0 t ADT: 2,500

CTH JB

Fair

Over: FOX RIVER

0.8M W JCT CTH W, Kenosha, WI

Built 1969 Load: 34.0 t ADT: 2,300

LRD PETRIFYING SPR

Fair

Over: PIKE RIVER

0.1M N JCT CTH JR, Kenosha, WI

Built 1986 Load: 34.0 t ADT: 346

CTH C

Fair

Over: FOX RIVER

0.2M W JCT CTH B, Kenosha, WI

Built 1936 Load: 34.0 t ADT: 6,800

CTH F

Fair

Over: FOX RIVER

0.2M W JCT CTH B, Kenosha, WI

Built 1929 Load: 34.0 t ADT: 3,900

CTH ML

Fair

Over: DES PLAINES RIVER

0.7M W JCT CTH H, Kenosha, WI

Built 1950 Load: 34.0 t ADT: 650

LRD PHEASANT RD

Fair

Over: RIO CREEK

1.1M E JCT CTH P, Kewaunee, WI

Built 1983 Load: 34.0 t ADT: 215

LRD NORTH COUNTY L

Fair

Over: SCHOOL CREEK

0.1M S JCT STH 54, Kewaunee, WI

Built 1989 Load: 34.0 t ADT: 113

LRD KROK RD

Fair

Over: E TWIN RIVER

1.3M W JCT CTH B, Kewaunee, WI

Built 1989 Load: 34.0 t ADT: 255

CTH J

Fair

Over: EAST TWIN RIVER

0.8M W JCT CTH B TO S, Kewaunee, WI

Built 1993 Load: 34.0 t ADT: 599

CTH P

Fair

Over: SILVER CREEK

1.3M N JCT CTH S, Kewaunee, WI

Built 1996 Load: 34.0 t ADT: 443

LRD RIVER RD

Fair

Over: KEWAUNEE RIVER

0.9M E JCT CTH AB, Kewaunee, WI

Built 2003 Load: 34.0 t ADT: 91

LRD SANDY BAY RD

Fair

Over: E TWIN RIVER

0.6M E JCT CTH B, Kewaunee, WI

Built 1975 Load: 34.0 t ADT: 52

IH 90 EB

Fair

Over: FISH CREEK

4.2M E JCT STH 162 TO N, La Crosse, WI

Built 1968 Load: 34.0 t ADT: 12,150

STH 16

Fair

Over: BNSF RR

1.3M E JCT STH 35, La Crosse, WI

Built 1981 Load: 34.0 t ADT: 31,700

STH 35

Fair

Over: MORMON CREEK

0.6M N JCT CTH K, La Crosse, WI

Built 1991 Load: 34.0 t ADT: 8,900

CTH C

Fair

Over: NESHONIC CREEK

2.6M N JCT CTH C, La Crosse, WI

Built 1992 Load: 34.0 t ADT: 580

LRD OLD TOWN HALL

Fair

Over: MORMON CREEK

0.7M E JCT STH 35, La Crosse, WI

Built 1991 Load: 34.0 t ADT: 2,345

CTH J

Fair

Over: FISH CREEK

0.7M S JCT CTH Y, La Crosse, WI

Built 1981 Load: 34.0 t ADT: 367

CTH T

Fair

Over: SAUR CREEK

0.2M W JCT CTH V, La Crosse, WI

Built 1978 Load: 34.0 t ADT: 1,500

Showing 5,951-6,000 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.