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%.

Condition Distribution

Wisconsin51.3%41.1%GoodFairPoor
Bridge inventory deck-condition mix - Wisconsin (FHWA NBI)

Counties (72)

Adams 43 Ashland 92 Barron 321 Bayfield 103 Brown 478 Buffalo 239 Burnett 68 Calumet 63 Chippewa 366 Clark 297 Columbia 191 Crawford 212 Dane 624 Dodge 219 Door 32 Douglas 143 Dunn 252 Eau Claire 242 Florence 20 Fond du Lac 256 Forest 54 Grant 385 Green 249 Green Lake 50 Iowa 212 Iron 52 Jackson 220 Jefferson 186 Juneau 174 Kenosha 121 Kewaunee 93 La Crosse 250 Lafayette 217 Langlade 78 Lincoln 158 Manitowoc 272 Marathon 534 Marinette 136 Marquette 85 Menominee 25 Milwaukee 1005 Monroe 385 Oconto 149 Oneida 64 Outagamie 300 Ozaukee 107 Pepin 57 Pierce 248 Polk 77 Portage 192 Price 104 Racine 143 Richland 298 Rock 325 Rusk 152 Sauk 277 Sawyer 98 Shawano 162 Sheboygan 249 St. Croix 308 Taylor 176 Trempealeau 260 Vernon 333 Vilas 29 Walworth 209 Washburn 54 Washington 166 Waukesha 380 Waupaca 172 Waushara 54 Winnebago 264 Wood 242

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.

LRD MARKET RD

Poor

Over: BEAR CREEK

1.2M N JCT STH 76, Outagamie, WI

Built 1958 Load: 1.6 t ADT: 1,175

LRD WOODFORD DR

Poor

Over: RAILS TO TRAILS TRAIL

0.3M E JCT USH 45, Washington, WI

Built 1910 Load: 1.6 t ADT: 47

LRD ACCESS RD

Poor

Over: MENASHA CHANNEL

ACCESS TO PARKING LOT BY, Winnebago, WI

Built 1960 Load: 1.6 t ADT: 20

CTH A

Poor

Over: UNION PACIFIC RR

1.0M W JCT STH 73, Columbia, WI

Built 1910 Load: 3.2 t ADT: 197

LRD OLD 64 (DEAD E

Poor

Over: EVERGREEN CREEK

0.1M N JCT STH 64, Langlade, WI

Built 1916 Load: 3.2 t ADT: 6

LRD CORNELL LANE (

Poor

Over: BR COON CREEK

0.1M E JCT USH 14, Vernon, WI

Built 1985 Load: 3.2 t ADT: 10

All Bridges in Wisconsin

IH 794 EB - LAKE I

Unknown

Over: LRD N VAN BUREN ST / E S

0.4M S JCT STH 32, Milwaukee, WI

Built 1974 ADT: 3,300

IH 794 EB - LAKE I

Unknown

Over: LRD CHICAGO STREET

AT IH 794, Milwaukee, WI

Built 1974 ADT: 1,800

IH 794 EB (LAKE IN

Unknown

Over: LRD N HARBOR DR

AT IH 794, Milwaukee, WI

Built 1974 ADT: 200

IH RAMP, LINCOLN M

Unknown

Over: LRD CHICAGO ST

AT IH794, Milwaukee, WI

Built 1974 ADT: 1,800

IH RAMP, LINCOLN M

Unknown

Over: IH 794 RAMPS TO LINCOLN

LAKE INTERCHANGE, Milwaukee, WI

Built 1975 ADT: 13,300

IH RAMP, IH-794 WB

Unknown

Over: LRD N HARBOR DR

0.15M S JCT E CLYBOURN ST, Milwaukee, WI

Built 1975 ADT: 200

IH RAMP, IH 794WB

Unknown

Over: IH RAMP, JACKSON ST-IH 7

AT JCT WITH IH 794, Milwaukee, WI

Built 1975 ADT: 1,600

IH RAMP BROADWAY S

Unknown

Over: STH 32-MILWAUKEE ST

0.3M N JCT USH 18 TO E, Milwaukee, WI

Built 1974 ADT: 12,700

IH 794-LAKE FREEWA

Unknown

Over: LRD S LINCOLN MEMORIAL D

1.4M N JCT STH 32, Milwaukee, WI

Built 1977 ADT: 1,600

IH 794-LAKE FREEWA

Unknown

Over: LRD S LINCOLN MEMORIAL D

1.3M N JCT STH 32, Milwaukee, WI

Built 1977 ADT: 1,600

IH 794 WB-E-W-FREE

Unknown

Over: IH RAMP IH 794 WB - STH

0.3M N JCT USH 18 TO E, Milwaukee, WI

Built 1975 ADT: 12,700

IH 794 WB-E-W FREE

Unknown

Over: IH RAMP IH 794WB-MILW ST

CITY OF MILWAUKEE, Milwaukee, WI

Built 1975 ADT: 7,800

IH 794-LAKE FREEWA

Unknown

Over: LRD S LINCOLN MEMORIAL D

1.2M N JCT STH 32, Milwaukee, WI

Built 1977 ADT: 1,600

IH 794

Unknown

Over: LRD S LINCOLN MEMORIAL D

1.1M N JCT STH 32, Milwaukee, WI

Built 1977 ADT: 2,100

IH 794

Unknown

Over: LRD S LINCOLN MEMORIAL D

1.0M N JCT STH 32, Milwaukee, WI

Built 1977 ADT: 2,100

IH 794-LAKE FREEWA

Unknown

Over: LRD S LINCOLN MEMORIAL D

0.9M N JCT STH 32, Milwaukee, WI

Built 1977 ADT: 2,100

IH 794

Unknown

Over: LRD S LINCOLN MEMORIAL D

0.8M N JCT STH 32, Milwaukee, WI

Built 1977 ADT: 2,100

IH 794

Unknown

Over: LRD S LINCOLN MEMORIAL D

0.7M N JCT STH 32, Milwaukee, WI

Built 1977 ADT: 2,100

IH 794

Unknown

Over: LRD S LINCOLN MEMORIAL D

0.6M N JCT STH 32, Milwaukee, WI

Built 1977 ADT: 2,100

IH 794

Unknown

Over: LRD E LINCOLN AVE

0.8M E JCT STH 32, Milwaukee, WI

Built 1977 ADT: 2,800

IH RAMP, IH 794 EB

Unknown

Over: LRD S LINCOLN MEMORIAL D

0.7M N JCT STH 32, Milwaukee, WI

Built 1977 ADT: 2,100

IH RAMP, IH 794 EB

Unknown

Over: LRD E LINCOLN AVE

0.8M E JCT STH 32, Milwaukee, WI

Built 1977 ADT: 2,800

IH RAMP, CARFERRY

Unknown

Over: LRD E LINCOLN AVE

0.8M E JCT STH 32, Milwaukee, WI

Built 1977 ADT: 2,800

STH 145 NB

Unknown

Over: RAMP, IH 41/USH 45 SB -

1.6M S JCT USH 41 TO S, Milwaukee, WI

Built 2001 ADT: 8,800

LRD W CROSSOVER PA

Unknown

Over: IH I 41/USH 45/STH 100,R

0.5M N JCT CTH PP, Milwaukee, WI

Built 2001 ADT: 104,000

STH 181-N 76TH ST

Unknown

Over: STH 100-BROWN DEER RD

1.9M N JCT CTH F, Milwaukee, WI

Built 1969 ADT: 26,600

CMSTPP RR

Unknown

Over: STH 100-RYAN RD

3.3M N JCT STH 32 (B), Milwaukee, WI

Built 1972 ADT: 16,600

CMSTPP RR

Unknown

Over: LRD W LAYTON AVE

0.8M W JCT STH 38, Milwaukee, WI

Built 1930 ADT: 23,000

IH RAMP, IH 41/USH

Unknown

Over: IH RAMP, STH 145 - IH 41

CITY OF WAUWATOSA, Milwaukee, WI

Built 2001 ADT: 9,300

LRD N 6TH ST

Unknown

Over: LRD ST PAUL AVE

AT 6TH ST, Milwaukee, WI

Built 2002 ADT: 4,900

LRD N 12TH STREET

Unknown

Over: STH 145

0.2M N JCT IH 43, Milwaukee, WI

Built 1983 ADT: 19,500

CMSTPP RR

Unknown

Over: LRD W SILVER SPRING DR

0.6M W JCT STH 57, Milwaukee, WI

Built 1940 ADT: 34,600

CNW RR

Unknown

Over: CTH PP W GOOD HOPE RD

0.5M W JCT CTH G, Milwaukee, WI

Built 1973 ADT: 29,500

STH 119 WB-AIRPORT

Unknown

Over: STH 38-HOWELL AVE

0.9M N JCT CTH ZZ, Milwaukee, WI

Built 1978 ADT: 21,000

STH 119 EB-AIRPORT

Unknown

Over: STH 38-HOWELL AVE

0.8M N JCT CTH ZZ, Milwaukee, WI

Built 1978 ADT: 21,000

CNW RR

Unknown

Over: LRD E BECHER ST

0.1M W JCT STH 32, Milwaukee, WI

Built 1978 ADT: 9,400

CMSTPP RR

Unknown

Over: LRD E BECHER ST

0.1M W JCT STH 32, Milwaukee, WI

Built 1980 ADT: 9,400

CMSTPP RR

Unknown

Over: LRD E BECHER ST

0.1M W JCT STH 32, Milwaukee, WI

Built 1980 ADT: 9,400

CNW RR

Unknown

Over: LRD W BURLEIGH ST

0.1M W JCT STH 100, Milwaukee, WI

Built 1974 ADT: 23,100

UNION PACIFIC RAIL

Unknown

Over: CTH ZZ E COLLEGE AVE

0.2M W JCT STH 32, Milwaukee, WI

Built 1981 ADT: 13,100

CNW RR

Unknown

Over: LRD N 60TH STREET

0.1M S JCT CTH S, Milwaukee, WI

Built 1980 ADT: 16,900

WISCONSIN & SOUTHE

Unknown

Over: CTH S W MILL RD

1.0M E JCT STH 181, Milwaukee, WI

Built 1980 ADT: 19,500

SCOUT LAKE PED. BR

Unknown

Over: STH 36-LOOMIS RD

4.3M N JCT STH 100, Milwaukee, WI

Built 1980 ADT: 16,600

STH 57-27TH ST

Unknown

Over: CMSTPP RR & CANAL ST.

AT STH 57, Milwaukee, WI

Built 1981 ADT: 99

STH 57-27TH ST

Unknown

Over: CMSTPP RR

AT STH 57, Milwaukee, WI

Built 1981 ADT: 99

LRD E MASON ST

Unknown

Over: LRD LINCOLN MEMORIAL DR

0.2M N JCT USH 18, Milwaukee, WI

Built 1982 ADT: 32,400

LRD SERVICE ROAD

Unknown

Over: STH 38-HOWELL AVE

0.7M N JCT CTH ZZ, Milwaukee, WI

Built 1980 ADT: 24,400

CTH Y/E LAYTON AVE

Unknown

Over: STH 794

AT LAYTON AVE EB, Milwaukee, WI

Built 1984 ADT: 20,000

CTH Y/LAYTON AVE (

Unknown

Over: STH CNW RR - STH 794

AT CTH Y/LAYTON AVE, Milwaukee, WI

Built 1984 ADT: 20,000

LRD WHITNALL AVE

Unknown

Over: STH 794

0.1M N JCT LAYTON AVE., Milwaukee, WI

Built 1984 ADT: 26,500

Showing 1,551-1,600 of 14,851 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
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.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

Read our methodology — how this data is sourced, computed, and verified.

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.