State profile · Near national median SD

Wisconsin bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Wisconsin — drawn straight from the FHWA National Bridge Inventory.

14,851
Public bridges
41.3%
Good condition
6.1%
Poor condition
6.1%
Structurally deficient

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 rated 0-4

Structurally Deficient

6.1%

911 bridges flagged for repair priority

-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 — Structurally deficient share 20.4%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Bridge inventory deck-condition mix — Wisconsin (FHWA NBI)

Wisconsin41.2766817049357%33.10214800350145%GoodFairPoorStructurally Deficient
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 on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Wisconsin on the same metric.

28

Mississippi

5.92% top marginal rate
Structure
Progressive
Burden @ $100K
$16,823

45

South Carolina

6.10% top marginal rate
Structure
Progressive
Burden @ $100K
$5,396
Selected

55

Wisconsin

6.13% top marginal rate
Structure
Progressive
Burden @ $100K
$14,851

37

North Carolina

6.16% top marginal rate
Structure
Progressive
Burden @ $100K
$18,901

15

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 composite NBI rating. Each is inspected at least every 24 months.

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

Structurally Deficient

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

Structurally Deficient

Over: EVERGREEN CREEK

0.1M N JCT STH 64, Langlade, WI

Built 1916 Load: 3.2 t ADT: 6

LRD CORNELL LANE (

Structurally Deficient

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 BRIDGE ST

Good

Over: N FK BEAVER CR

0.2 MI E JCT USH 53, Trempealeau, WI

Built 2005 Load: 35.6 t ADT: 2,415

CTH T

Good

Over: TURTON CREEK

3.1M S JCT STH 95, Trempealeau, WI

Built 2018 Load: 35.6 t ADT: 450

LRD HAGESTAD ROAD

Good

Over: N FORK BEAVER CREEK

0.1M W JCT USH 53, Trempealeau, WI

Built 2022 Load: 35.6 t ADT: 25

LRD HUSKER HOLLOW

Good

Over: DRY HOLLOW CREEK

0.06M S JCT STH 82 (AT DR, Vernon, WI

Built 2014 Load: 35.6 t ADT: 65

LRD SEELYBURG STRE

Good

Over: KICKAPOO RIVER

0.5M N JCT STH 131, Vernon, WI

Built 1976 Load: 35.6 t ADT: 176

CTH K

Good

Over: S CHIPMUNK COULEE CREEK

2.1M E JCT STH 35, Vernon, WI

Built 1983 Load: 35.6 t ADT: 2,365

LRD CORNELL RD

Good

Over: S BEAR CREEK

0.1M S JCT CTH D, Vernon, WI

Built 1985 Load: 35.6 t ADT: 1,070

LRD HINKST HOLLOW

Good

Over: TAINTER CREEK

2.6M S JCT STH 27, Vernon, WI

Built 1997 Load: 35.6 t ADT: 47

LRD GIANOLI RD

Good

Over: ITALIAN HOLLOW CREEK

1.0M E JCT STH 35, Vernon, WI

Built 1996 Load: 35.6 t ADT: 47

LRD OLD MILL RD

Good

Over: SPRING COULEE CREEK

0.1M S JCT USH 14, Vernon, WI

Built 1997 Load: 35.6 t ADT: 235

LRD PEACEFULL VALL

Good

Over: W FK KICKAPOO RIVER

3.2M S JCT CTH D, Vernon, WI

Built 1998 Load: 35.6 t ADT: 207

LRD PINE AVE

Good

Over: PINE RIVER

2.6M S JCT STH 82, Vernon, WI

Built 2000 Load: 35.6 t ADT: 43

LRD SPRING COULEE

Good

Over: BR SPRING COULEE CREEK

0.1M E JCT STH 35, Vernon, WI

Built 2011 Load: 35.6 t ADT: 56

LRD BERG ROAD (DEA

Good

Over: LOWER BRUSH CREEK

1.4M S JCT STH 33, Vernon, WI

Built 2011 Load: 35.6 t ADT: 20

LRD MAIN ST

Good

Over: GENOA CREEK

0.1M N JCT STH 56, Vernon, WI

Built 2019 Load: 35.6 t ADT: 1,500

CTH G

Good

Over: WISCONSIN RIVER

0.3 MI W. OF JCT 45, Vilas, WI

Built 2004 Load: 35.6 t ADT: 2,180

LRD POTTER RD

Good

Over: SUGAR CREEK

1.3M W JCT CTH DD, Walworth, WI

Built 1999 Load: 35.6 t ADT: 293

STH 11

Good

Over: TURTLE CREEK

1.7M E JCT STH 89, Walworth, WI

Built 1992 Load: 35.6 t ADT: 2,600

STH 120

Good

Over: ORE CREEK

2.0 MI N JCT USH 12, Walworth, WI

Built 1995 Load: 35.6 t ADT: 7,900

LRD WESTSIDE ROAD

Good

Over: BR. NIPPERSINK BROOK

2.0 MILES N. JCT CTH B, Walworth, WI

Built 2004 Load: 35.6 t ADT: 474

STH 11

Good

Over: SWAN CREEK

4.8M E JCT STH 89, Walworth, WI

Built 1988 Load: 35.6 t ADT: 7,300

CTH P

Good

Over: TURTLE CREEK

1.8M N JCT CTH M, Walworth, WI

Built 2023 Load: 35.6 t ADT: 1,300

LRD NANCY LAKE RD

Good

Over: TOTAGATIC RIVER

2.5M W JCT CTH I, Washburn, WI

Built 2000 Load: 35.6 t ADT: 510

LRD MCGREGOR RD

Good

Over: FROG CREEK

1.5M N JCT STH 77, Washburn, WI

Built 2002 Load: 35.6 t ADT: 42

STH 167

Good

Over: OCONOMOWOC RIVER

1.4M E JCT CTH CC, Washington, WI

Built 1978 Load: 35.6 t ADT: 3,700

CTH NN

Good

Over: BR CEDAR CREEK

0.7M E JCT CTH M, Washington, WI

Built 1993 Load: 35.6 t ADT: 4,800

CTH M (COUNTRY AIR

Good

Over: CEDAR CREEK

1.7 MILE N STH 60, Washington, WI

Built 2006 Load: 35.6 t ADT: 690

CTH H

Good

Over: MILWAUKEE RIVER

AT MILWAUKEE RIVER, Washington, WI

Built 2022 Load: 35.6 t ADT: 4,240

LRD CANEROS WAY

Good

Over: BR OF CEDAR CREEK

0.2M N OF CEDAR CREEK, Washington, WI

Built 2010 Load: 35.6 t ADT: 209

CTH K

Good

Over: BARK RIVER

0.3M E JCT CTH E, Waukesha, WI

Built 1996 Load: 35.6 t ADT: 6,100

USH 18 EB

Good

Over: PEBBLE CREEK

1.95 MI S JCT USH 318, Waukesha, WI

Built 2019 Load: 35.6 t ADT: 8,250

LRD MAIN ST

Good

Over: SUSSEX CREEK

75 FT W OF JCT SILVER SPR, Waukesha, WI

Built 2017 Load: 35.6 t ADT: 8,100

LRD AUGUSTA PARKWA

Good

Over: WILLOW CREEK

500 FEET EAST OF INTERSEC, Waukesha, WI

Built 2018 Load: 35.6 t ADT: 50

LRD CLOVER DRIVE

Good

Over: SUSSEX CREEK

0.4M W JCT CTH F, Waukesha, WI

Built 2019 Load: 35.6 t ADT: 1,600

LRD CORPORATE DR

Good

Over: DEER CREEK

0.4M S JCT USH 18, Waukesha, WI

Built 2020 Load: 35.6 t ADT: 1,000

LRD OAKWOOD AVE

Good

Over: FOWLER LAKE

0.2M N JCT STH 16, Waukesha, WI

Built 1928 Load: 35.6 t ADT: 3,000

LRD ROYALTON ST

Good

Over: WAUPACA RIVER

1.6M N JCT USH 10 TO E, Waupaca, WI

Built 1990 Load: 35.6 t ADT: 6,400

LRD NORTH MILITARY

Good

Over: S BR LITTLE WOLF RIVER

0.7M S JCT CTH KK, Waupaca, WI

Built 1993 Load: 35.6 t ADT: 65

STH 22-STH 110

Good

Over: BLAKE CREEK

2.0M N JCT CTH N TO W, Waupaca, WI

Built 1998 Load: 35.6 t ADT: 2,000

LRD DRAKE RD (DEAD

Good

Over: FLUME CREEK

0.3M S JCT CTH C, Waupaca, WI

Built 1997 Load: 35.6 t ADT: 20

STH 49

Good

Over: WISC. CENTRAL RR

1.9M N JCT STH 22 TO S, Waupaca, WI

Built 1999 Load: 35.6 t ADT: 3,600

LRD KNITT RD

Good

Over: N BR PIGEON RIVER

0.2M E JCT USH 45, Waupaca, WI

Built 2001 Load: 35.6 t ADT: 271

CTH X

Good

Over: RAM CREEK

1.0M W JCT CTH W, Waupaca, WI

Built 2000 Load: 35.6 t ADT: 2,816

LRD SHADOW RD

Good

Over: CRYSTAL RIVER

1.5 MILES S JCT USH 10, Waupaca, WI

Built 2018 Load: 35.6 t ADT: 320

LRD REEK RD

Good

Over: WAUPACA RIVER

0.1M N JCT USH 10, Waupaca, WI

Built 1969 Load: 35.6 t ADT: 733

LRD LIND CENTER RD

Good

Over: WALLA WALLA CREEK

0.9M E JCT CTH A, Waupaca, WI

Built 1917 Load: 35.6 t ADT: 80

CTH Q

Good

Over: S BR LITTLE WOLF RIVER

0.1M W JCT STH 49, Waupaca, WI

Built 1965 Load: 35.6 t ADT: 357

LRD 29TH LANE

Good

Over: WILLOW CREEK

1.1M N JCT STH 21, Waushara, WI

Built 1988 Load: 35.6 t ADT: 102

CTH-Z

Good

Over: BLACK WOLF CREEK

0.01M E JCT CTH-R, Winnebago, WI

Built 1979 Load: 35.6 t ADT: 280

USH 45

Good

Over: VAN DYNE CREEK

0.7M N JCT CTH Z, Winnebago, WI

Built 1988 Load: 35.6 t ADT: 3,200

Showing 10,751-10,800 of 14,851 bridges

Related

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Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.

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.