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

USH10 WB

Good

Over: CN RR

0.7 MILES W OF CTH O, Portage, WI

Built 2011 Load: 43.7 t ADT: 7,300

CTH J

Good

Over: CANADIAN NATIONAL RR

0.35 M S JCT USH 10, Portage, WI

Built 2008 Load: 43.7 t ADT: 4,200

STH 11 SB

Good

Over: CN RR/FOX RIVER

0.15 MI E OF STH 83, Racine, WI

Built 2007 Load: 43.7 t ADT: 6,150

LRD BROOK RD

Good

Over: HOODS CREEK

1.0M E JCT CTH S, Racine, WI

Built 2007 Load: 43.7 t ADT: 114

LRD N ROCHESTER ST

Good

Over: WIND LAKE DRAINAGE CHNL

0.1M N JCT CTH D, Racine, WI

Built 2008 Load: 43.7 t ADT: 870

STH 80

Good

Over: HOOSIER CREEK

1.1M N JCT STH 193, Richland, WI

Built 1990 Load: 43.7 t ADT: 2,800

CTH AA

Good

Over: PINE RIVER

0.1M W JCT CTH SR, Richland, WI

Built 1994 Load: 43.7 t ADT: 261

STH 58

Good

Over: MCGLYNN CR

0.24 MI N. JCT CTH I, Richland, WI

Built 2005 Load: 43.7 t ADT: 1,100

LRD HIDDEN VALLEY

Good

Over: HORSE CREEK TRIBUTARY

0.3 MI SOUTH JCT CTH A, Richland, WI

Built 2007 Load: 43.7 t ADT: 1

LRD SOUTH MAIN STR

Good

Over: SPRING BROOK CREEK

0.6M S JCT STH 11, Rock, WI

Built 1990 Load: 43.7 t ADT: 3,900

STH 81-PORTLAND AV

Good

Over: ROCK RIVER

0.1M E JCT STH 213 TO N, Rock, WI

Built 1996 Load: 43.7 t ADT: 18,200

LRD CALEDONIA RD

Good

Over: BR YAHARA RIVER

3.0M W JCT STH 184, Rock, WI

Built 2008 Load: 43.7 t ADT: 104

LRD FIRELANE RD

Good

Over: DEVIL"S CREEK

0.5M N JCT CTH O, Rusk, WI

Built 2004 Load: 43.7 t ADT: 106

STH 23-STH 154

Good

Over: NARROWS CREEK

0.2M N OF STH 154 TO W, Sauk, WI

Built 2005 Load: 43.7 t ADT: 3,000

LRD LA VALLE ST

Good

Over: BABB CREEK

0.2M N JCT STH 23, Sauk, WI

Built 2007 Load: 43.7 t ADT: 312

LRD STOUT RD

Good

Over: CROSSMAN CREEK

0.7M N JCT STH 33, Sauk, WI

Built 2007 Load: 43.7 t ADT: 136

CTH V

Good

Over: BARABOO RIVER

1.2M E JCT STH 33, Sauk, WI

Built 2007 Load: 43.7 t ADT: 560

LRD MILL RD

Good

Over: BR HONEY CREEK

1.6M E JCT CTH B, Sauk, WI

Built 2008 Load: 43.7 t ADT: 178

LRD DURWARD GLEN R

Good

Over: ROWLEY CREEK

0.2M S JCT CTH W, Sauk, WI

Built 2007 Load: 43.7 t ADT: 170

STH 70

Good

Over: BRUNET RIVER

2.7M E JCT CTH B, Sawyer, WI

Built 1999 Load: 43.7 t ADT: 1,700

LRD PINE POINT RD

Good

Over: W FK CHIPPEWA RIVER

1.2M E JCT CTH S, Sawyer, WI

Built 2005 Load: 43.7 t ADT: 178

CTH A

Good

Over: RED RIVER

3.7M E JCT CTH U, Shawano, WI

Built 2021 Load: 43.7 t ADT: 800

CTH TAYLOR DR. (CT

Good

Over: SHEBOYGAN RIVER

0.1M N JCT CTH PP, Sheboygan, WI

Built 1985 Load: 43.7 t ADT: 7,250

CTH D

Good

Over: BR ONION RIVER

0.3M E JCT CTH KW, Sheboygan, WI

Built 2001 Load: 43.7 t ADT: 1,100

CTH SS

Good

Over: N BR MILWAUKEE RIVER

2.5M W JCT CTH I, Sheboygan, WI

Built 2005 Load: 43.7 t ADT: 530

STH 23 EB

Good

Over: ICE AGE TRAIL

0.13 MI EAST OF JULIE CT, Sheboygan, WI

Built 2021 Load: 43.7 t ADT: 4,200

LRD MAIN STREET

Good

Over: KINNICKINNIC RIVER

1.4M N JCT STH 29 TO W, St. Croix, WI

Built 1992 Load: 43.7 t ADT: 17,098

CTH S

Good

Over: HUTTON CREEK

0.2M W JCT CTH O, St. Croix, WI

Built 2002 Load: 43.7 t ADT: 275

CTH G

Good

Over: HUTTON CREEK

0.9M W JCT CTH D, St. Croix, WI

Built 1977 Load: 43.7 t ADT: 844

LRD DIVISION RD

Good

Over: MAURER CREEK

TOWN OF HAMMEL, Taylor, WI

Built 2000 Load: 43.7 t ADT: 81

LRD HORN RD

Good

Over: ELDER CREEK

2.8M N JCT CTH S, Taylor, WI

Built 1993 Load: 43.7 t ADT: 167

CTH D

Good

Over: BRUCE VALLEY CREEK

2.6M N JCT CTH E, Trempealeau, WI

Built 1999 Load: 43.7 t ADT: 390

CTH NN

Good

Over: BR BUFFALO RIVER

0.6M N JCT USH 10, Trempealeau, WI

Built 2003 Load: 43.7 t ADT: 636

CTH F

Good

Over: TAMARACK CREEK

0.1M N JCT STH 35, Trempealeau, WI

Built 2017 Load: 43.7 t ADT: 220

LRD NEWBURN AVE

Good

Over: BEAR CREEK

0.1M S JCT STH 82, Vernon, WI

Built 1987 Load: 43.7 t ADT: 45

STH 131

Good

Over: KICKAPOO RIVER

0.2M N JCT CTH F, Vernon, WI

Built 2002 Load: 43.7 t ADT: 740

LRD UPPER NEWTON R

Good

Over: SPRINGVILLE BR BAD AXE R

2.1M E JCT CTH O, Vernon, WI

Built 1999 Load: 43.7 t ADT: 54

CTH K

Good

Over: NAMEKAGON RIVER

3.7M N JCT CTH E, Washburn, WI

Built 2002 Load: 43.7 t ADT: 1,512

CTH A

Good

Over: WALLACE CREEK

0.1 M EAST INDIAN LORE RO, Washington, WI

Built 2006 Load: 43.7 t ADT: 2,100

CTH P

Good

Over: BR CEDAR CREEK

1.2 M SOUTH CTH PV, Washington, WI

Built 2006 Load: 43.7 t ADT: 4,100

LRD LILAC LANE

Good

Over: MENOMONEE RIVER

2.4M W JCT STH 145, Washington, WI

Built 2008 Load: 43.7 t ADT: 1,476

LRD TOWNLINE RD

Good

Over: TRIB. TO MILWAUKEE R.

TOWN OF KEWASKUM, Washington, WI

Built 2008 Load: 43.7 t ADT: 109

CTH VV (MAIN ST)

Good

Over: BARK RIVER

0.5M N JCT CTH EF, Waukesha, WI

Built 1963 Load: 43.7 t ADT: 4,000

LRD ROOSEVELT DR

Good

Over: MENOMONEE RIVER

0.2M E JCT STH 175, Waukesha, WI

Built 1996 Load: 43.7 t ADT: 2,700

CTH Y (BARKER RD)

Good

Over: POPLAR CREEK

0.5M N JCT USH 18, Waukesha, WI

Built 2004 Load: 43.7 t ADT: 11,700

LRD MILL RD

Good

Over: BARK RIVER

0.1 MI N JCT CTH DR, Waukesha, WI

Built 2005 Load: 43.7 t ADT: 1,200

LRD CALHOUN RD (N.

Good

Over: DEER CREEK

0.5M S JCT USH 18, Waukesha, WI

Built 2008 Load: 43.7 t ADT: 6,700

LRD CALHOUN RD (S.

Good

Over: DEER CREEK

0.5M S JCT USH 18, Waukesha, WI

Built 2008 Load: 43.7 t ADT: 6,700

LRD LEGACY TRAIL

Good

Over: WILLOW CREEK

500' E OF TOWN LINE RD, Waukesha, WI

Built 2015 Load: 43.7 t ADT: 251

LRD MARTEN RD

Good

Over: BR WOLF RIVER

1.4M S JCT USH 10, Waupaca, WI

Built 1986 Load: 43.7 t ADT: 140

Showing 13,351-13,400 of 14,851 bridges

Related

All states → | National rankings → | Understanding conditions → | SD bridges explained →
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.