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 22ND ST WEST

Good

Over: S BR YELLOW RIVER

1.1M S JCT STH 21, Juneau, WI

Built 1983 Load: 43.7 t ADT: 47

LRD 28TH ST WEST

Good

Over: LITTLE YELLOW RIVER

4.5M S JCT STH 21, Juneau, WI

Built 1976 Load: 43.7 t ADT: 47

STH 158 EB

Good

Over: KILBOURN DITCH

0.1M E JCT IH 94, Kenosha, WI

Built 2013 Load: 43.7 t ADT: 9,900

LRD WILLOW DR

Good

Over: SILVER CREEK

0.8M N JCT STH 54, Kewaunee, WI

Built 2022 Load: 43.7 t ADT: 100

USH 14 EB

Good

Over: MISSISSIPPI RIVER

0.8 MILES EAST OF MINNESO, La Crosse, WI

Built 2004 Load: 43.7 t ADT: 7,550

USH 151 NB

Good

Over: BONNER BR

2.6M N JCT W MOUND RD, Lafayette, WI

Built 2004 Load: 43.7 t ADT: 4,900

USH 151 SB

Good

Over: BONNER BR

0.6M S JCT CTH G, Lafayette, WI

Built 2004 Load: 43.7 t ADT: 4,900

USH 151 SB

Good

Over: COTTAGE INN BRANCH

4.1M S JCT CTH A, Lafayette, WI

Built 2003 Load: 43.7 t ADT: 5,250

STH 107

Good

Over: LITTLE PINE CREEK

4.0M N JCT CTH J, Lincoln, WI

Built 2022 Load: 43.7 t ADT: 90

CTH CCC

Good

Over: BIG HAY MEADOW CREEK

1.0M E JCT STH 17, Lincoln, WI

Built 2007 Load: 43.7 t ADT: 107

CTH CR

Good

Over: SILVER CREEK

3.8M N JCT CTH C, Manitowoc, WI

Built 1994 Load: 43.7 t ADT: 3,700

LRD NACHTWEY RD

Good

Over: NESHOTA RIVER

1.1M W JCT CTH R, Manitowoc, WI

Built 1996 Load: 43.7 t ADT: 54

LRD QUARRY RD

Good

Over: MANITOWOC R

1.0M N USH 151, Manitowoc, WI

Built 2004 Load: 43.7 t ADT: 105

LRD POINT CREEK RD

Good

Over: POINT CREEK

1.0M W JCT CTH LS, Manitowoc, WI

Built 2006 Load: 43.7 t ADT: 263

STH 42

Good

Over: TRIB TO MEEME CR

1.17 MI N OF CTH XX LT, Manitowoc, WI

Built 2011 Load: 43.7 t ADT: 2,600

STH 42

Good

Over: TRIB TO POINT CR

1.70 MI N OF CTH F, Manitowoc, WI

Built 2011 Load: 43.7 t ADT: 3,200

STH 97

Good

Over: BIG EAU PLEINE RIVER

1.4M N JCT STH 153, Marathon, WI

Built 1995 Load: 43.7 t ADT: 4,000

STH 153

Good

Over: LITTLE EAU CLAIRE RIVER

7.6M E JCT CTH X, Marathon, WI

Built 1999 Load: 43.7 t ADT: 1,900

LRD BRUCKERVILLE R

Good

Over: BR E BR BIG EAU PLEINE R

0.8M N JCT CTH A, Marathon, WI

Built 2001 Load: 43.7 t ADT: 110

LRD CARDINAL LANE

Good

Over: SODA CREEK

0.4M S JCT CTH N, Marathon, WI

Built 2003 Load: 43.7 t ADT: 90

LRD CTH R

Good

Over: BIG RIB RIVER

AT RIB WATER CREEK, Marathon, WI

Built 2005 Load: 43.7 t ADT: 4,300

LRD DAY AVE

Good

Over: SQUAW CREEK

1.2M E JCT CTH T, Marathon, WI

Built 2006 Load: 43.7 t ADT: 105

CTH E

Good

Over: LITTLE EAU PLEINE RIVER

1.6M S JCT CTH C, Marathon, WI

Built 2005 Load: 43.7 t ADT: 2,420

CTH S

Good

Over: GRASS CREEK

0.7M S JCT CTH F, Marathon, WI

Built 2008 Load: 43.7 t ADT: 470

LRD HIGHPOINT RD

Good

Over: LITTLE SANDY CREEK

1.7M N JCT CTH N, Marathon, WI

Built 2008 Load: 43.7 t ADT: 108

LRD MATHIS RD

Good

Over: S BR PIKE RIVER

2.3M W JCT CTH V, Marinette, WI

Built 1990 Load: 43.7 t ADT: 75

USH 41 NB

Good

Over: C & N RR

0.85 MI N OF CTH Y, Marinette, WI

Built 2009 Load: 43.7 t ADT: 5,450

USH 41 SB

Good

Over: C & N RR

0.85 MI N OF CTH Y, Marinette, WI

Built 2009 Load: 43.7 t ADT: 6,100

STH 23

Good

Over: NEENAH CREEK

2.4M E JCT CTH AA, Marquette, WI

Built 2000 Load: 43.7 t ADT: 1,200

LRD 4TH AVE

Good

Over: WESTFIELD CREEK

0.2M S JCT CTH A, Marquette, WI

Built 2001 Load: 43.7 t ADT: 160

LRD 14TH AVE

Good

Over: CHAFFEE CREEK

2.5M S JCT CTH JJ, Marquette, WI

Built 2000 Load: 43.7 t ADT: 80

CTH JJ

Good

Over: CHAFEE CREEK

1.6 M N JCT CTH Z, Marquette, WI

Built 2007 Load: 43.7 t ADT: 260

IH 794 WB-LAKE FRE

Good

Over: LAND

2.1 MI N JCT CARFERRY DR, Milwaukee, WI

Built 1974 Load: 43.7 t ADT: 17,900

IH 794

Good

Over: LAND

0.4 MI W JCT CARFERRY DR, Milwaukee, WI

Built 1977 Load: 43.7 t ADT: 30,300

IH 794 WB-LAKE FRE

Good

Over: DOCK RR

1.0M W JCT CARFERRY DR, Milwaukee, WI

Built 1974 Load: 43.7 t ADT: 25,200

CTH NN-W OKLAHOMA

Good

Over: HONEY CREEK

1.0 MI E JCT CTH T, Milwaukee, WI

Built 2009 Load: 43.7 t ADT: 21,300

IH 794 EB

Good

Over: LAND

2.8 MI E JCT STH 175, Milwaukee, WI

Built 2006 Load: 43.7 t ADT: 25,300

STH 21

Good

Over: BEAVER CREEK

1.9M E JCT CTH PP, Monroe, WI

Built 2000 Load: 43.7 t ADT: 4,700

CTH MM

Good

Over: SLEIGHTON CREEK

0.1M E JCT CTH M, Monroe, WI

Built 2007 Load: 43.7 t ADT: 192

CTH Q

Good

Over: BR HANSEN CREEK

0.2M N JCT STH 21, Monroe, WI

Built 1979 Load: 43.7 t ADT: 260

LRD LADE BEACH RD

Good

Over: TIBBET CREEK

0.8M W JCT CTH J, Oconto, WI

Built 1992 Load: 43.7 t ADT: 120

LRD IRON BRIDGE RD

Good

Over: N BR OCONTO RIVER

0.3M W JCT STH 32, Oconto, WI

Built 2000 Load: 43.7 t ADT: 20

LRD LAKESHORE DR

Good

Over: GUDEGAST CR

AT GUDEGAST CR, Oneida, WI

Built 2005 Load: 43.7 t ADT: 376

CTH S

Good

Over: DUCK CREEK

0.3M W JCT STH 55, Outagamie, WI

Built 1993 Load: 43.7 t ADT: 4,200

LRD NEWLAND RD

Good

Over: SHIOC RIVER

1.2M S JCT CTH G, Outagamie, WI

Built 2004 Load: 43.7 t ADT: 84

CTH T

Good

Over: CEDAR CREEK

2.5M W JCT STH 57, Ozaukee, WI

Built 2003 Load: 43.7 t ADT: 4,800

CTH A

Good

Over: SAUK CREEK

0.3M W JCT CTH KW, Ozaukee, WI

Built 2013 Load: 43.7 t ADT: 820

CTH N

Good

Over: PLUM CREEK

AT PLUM CREEK, Pepin, WI

Built 2004 Load: 43.7 t ADT: 447

CTH FF

Good

Over: GREENWOOD VALLEY CREEK

0.5M W JCT STH 29, Pierce, WI

Built 1999 Load: 43.7 t ADT: 504

USH 10 EB

Good

Over: CNRR

2.3 MILES E OF STH 13, Portage, WI

Built 2011 Load: 43.7 t ADT: 8,500

Showing 13,301-13,350 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.