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

LRD RIDGE ST (CTH

Unknown

Over: USH 151

2.0M N JCT CTH A, Iowa, WI

Built 2002 ADT: 99

USH NB USH 151

Unknown

Over: STH 39

1.8M E JCT CTH E, Iowa, WI

Built 2001 ADT: 99

USH SB USH 151

Unknown

Over: STH 39

1.7M E JCT CTH E, Iowa, WI

Built 2001 ADT: 1,800

USH 151 NB

Unknown

Over: LRD HIGH STREET

TOWN OF MINERAL POINT, Iowa, WI

Built 2001 ADT: 99

USH 151 SB

Unknown

Over: LRD HIGH STREET

CITY OF MINERAL POINT, Iowa, WI

Built 2001 ADT: 99

USH 151 NB

Unknown

Over: STH 23

4.6M W JCT USH 151, Iowa, WI

Built 2001 ADT: 4,100

USH 151 SB

Unknown

Over: STH 23

4.5M W JCT USH 151, Iowa, WI

Built 2001 ADT: 4,100

LRD WEIDENFELLER R

Unknown

Over: USH 151

0.8M N JCT STH 23, Iowa, WI

Built 2001 ADT: 99

BIKE PATH

Unknown

Over: USH 151

3.8M N JCT STH 23, Iowa, WI

Built 2002 ADT: 99

CTH A

Unknown

Over: USH 151

7.1M N JCT STH 126, Iowa, WI

Built 2003 ADT: 11,700

USH 18 EB / USH 15

Unknown

Over: LRD RIDGEVUE RD

PLEASE UPDATE LOCATION., Iowa, WI

Built 2018 ADT: 1,600

USH 18 WB / USH 15

Unknown

Over: LRD RIDGEVUE ROAD

PLEASE UPDATE LOCATION, Iowa, WI

Built 2018 ADT: 1,583

CTH HHH

Unknown

Over: USH 18 / USH 151

PLEASE UPDATE LOCATION, Iowa, WI

Built 2018 ADT: 15,300

LRD MILITARY RIDGE

Unknown

Over: LRD BLUE MOUNDS RD

0.8M E JCT CTH K, Iowa, WI

Built 1938 ADT: 20

SNOWMOBILE TRAIL

Unknown

Over: STH 77-SILVER ST

0.1M E JCT USH 51, Iron, WI

Built 1914 ADT: 6,951

WIS CENTRAL

Unknown

Over: STH 169

15.0M N JCT STH 13, Iron, WI

Built 1918 ADT: 331

CNW RR

Unknown

Over: LRD MAPLE ST

0.1M N JCT STH 77, Iron, WI

Built 1911 ADT: 500

WIS CENTRAL

Unknown

Over: LRD MAPLE ST

0.1M N JCT STH 77, Iron, WI

Built 1911 ADT: 500

CTH FF

Unknown

Over: IH 94

4.5M E JCT STH 121 TO E, Jackson, WI

Built 1966 ADT: 25,400

IH 94 EB

Unknown

Over: STH 95

0.5M E JCT CTH A, Jackson, WI

Built 1966 ADT: 5,000

IH 94 WB

Unknown

Over: STH 95

0.5M E JCT CTH A, Jackson, WI

Built 1966 ADT: 5,000

LRD S POLE GROVE R

Unknown

Over: IH 94

2.7M E JCT STH 95 TO E, Jackson, WI

Built 1966 ADT: 24,900

IH 94 EB

Unknown

Over: LRD CHARCOAL RD

0.1M N JCT CTH A, Jackson, WI

Built 1966 ADT: 150

IH 94 WB

Unknown

Over: LRD CHARCOAL RD

0.1M N JCT CTH A, Jackson, WI

Built 1966 ADT: 150

IH 94 EB

Unknown

Over: CTH F

0.1M N JCT CTH A, Jackson, WI

Built 1966 ADT: 1,500

IH 94 WB

Unknown

Over: CTH F

0.1M N JCT CTH A, Jackson, WI

Built 1966 ADT: 1,500

IH 94 EB

Unknown

Over: LRD MCNULTY RD

0.1M N JCT CTH A, Jackson, WI

Built 1966 ADT: 50

IH 94 WB

Unknown

Over: LRD MCNULTY RD

0.1M N JCT CTH A, Jackson, WI

Built 1966 ADT: 50

USH 12 WB-STH 27 N

Unknown

Over: IH 94

9.8M E JCT STH 95 (F), Jackson, WI

Built 1966 ADT: 26,600

USH 12 EB-STH 27 S

Unknown

Over: IH 94

9.8M E JCT STH 95 (F), Jackson, WI

Built 1966 ADT: 26,600

IH 94 EB

Unknown

Over: CTH B

0.5M E JCT CTH G, Jackson, WI

Built 1966 ADT: 190

IH 94 WB

Unknown

Over: CTH B

0.5M E JCT CTH G, Jackson, WI

Built 1966 ADT: 190

IH 94 EB

Unknown

Over: LRD WINNEBAGO AVE

0.8M N JCT STH 54, Jackson, WI

Built 1968 ADT: 1,500

IH 94 WB

Unknown

Over: LRD WINNEBAGO AVE

0.8M N JCT STH 54, Jackson, WI

Built 1968 ADT: 1,500

STH 54 EB

Unknown

Over: IH 94

1.5M E JCT USH 12 TO E, Jackson, WI

Built 1968 ADT: 26,600

STH 121

Unknown

Over: IH 94

10.3M E JCT USH 10 TO E, Jackson, WI

Built 1966 ADT: 25,400

LRD HAUGEN RD

Unknown

Over: IH 94

8.9M E JCT USH 10 TO E, Jackson, WI

Built 1966 ADT: 24,900

LRD GILBERTSON RD

Unknown

Over: IH 94

7.4M E JCT USH 10 TO E, Jackson, WI

Built 1966 ADT: 24,900

LRD CASTLE MOUND R

Unknown

Over: IH 94

1.8M E JCT STH 54 TO E, Jackson, WI

Built 1968 ADT: 25,240

IH 94 EB

Unknown

Over: LRD LAMBERT RD

0.8M N JCT USH 12, Jackson, WI

Built 1968 ADT: 50

IH 94 WB

Unknown

Over: LRD LAMBERT RD

0.8M N JCT USH 12, Jackson, WI

Built 1968 ADT: 50

IH 94 EB

Unknown

Over: CTH O

0.1M E JCT USH 12, Jackson, WI

Built 1968 ADT: 860

IH 94 WB

Unknown

Over: CTH O

0.1M E JCT USH 12, Jackson, WI

Built 1968 ADT: 860

STH 54 WB

Unknown

Over: IH 94

1.6M E JCT USH 12 TO E, Jackson, WI

Built 1997 ADT: 26,600

CNW RR

Unknown

Over: USH 10-USH 12-STH 27

0.1M E JCT USH 12 TO W, Jackson, WI

Built 1929 ADT: 2,840

CNW RR

Unknown

Over: LRD TOWN RD

1.2M N JCT CTH B, Jackson, WI

Built 1901 ADT: 40

IH 94 EB

Unknown

Over: LRD UNION ST

1.1M W JCT STH 26, Jefferson, WI

Built 1958 ADT: 1,200

IH 94 WB

Unknown

Over: LRD UNION ST

1.1M W JCT STH 26, Jefferson, WI

Built 1958 ADT: 1,200

STH 16 EB

Unknown

Over: STH 19 WB

0.2M W JCT STH 16, Jefferson, WI

Built 1960 ADT: 2,100

CMSTPP RR

Unknown

Over: LRD CHURCH ST

1.2M N JCT CTH Y TO E, Jefferson, WI

Built 1961 ADT: 17,240

Showing 901-950 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.