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

CTH N

Poor

Over: DEER CREEK

1.2M N JCT STH 106, Jefferson, WI

Built 1960 Load: 19.4 t ADT: 2,537

CTH M CUTLER ST

Poor

Over: LITTLE LEMONWEIR RIVER

0.4M N JCT USH 12, Juneau, WI

Built 1957 Load: 19.4 t ADT: 327

LRD LOWELL ROAD

Poor

Over: NO-NAME CREEK

0.2M N JCT CTH K, Kewaunee, WI

Built 2008 Load: 19.4 t ADT: 50

LRD MOHICAN RD (DE

Poor

Over: BR SAND LAKE COULEE CRK

0.1M E JCT CTH SN, La Crosse, WI

Built 1979 Load: 19.4 t ADT: 200

CTH DD

Poor

Over: SPAFFORD CREEK

1.8M W JCT STH 176, Lafayette, WI

Built 1959 Load: 19.4 t ADT: 94

CTH H

Poor

Over: BIG HAY MEADOW CREEK

2.1M W JCT CTH T, Langlade, WI

Built 1963 Load: 19.4 t ADT: 246

STH 17

Poor

Over: BARNES CREEK

3.4M N JCT STH 64, Lincoln, WI

Built 1973 Load: 19.4 t ADT: 2,600

LRD TAUS ROAD

Poor

Over: MUD CREEK

0.3M E JCT CTH W, Manitowoc, WI

Built 1962 Load: 19.4 t ADT: 675

CTH A

Poor

Over: BIG RIB RIVER

0.4M W JCT CTH S TO N, Marathon, WI

Built 1956 Load: 19.4 t ADT: 1,031

CTH H

Poor

Over: ROCKY RUN

1.4M N JCT STH 153, Marathon, WI

Built 1960 Load: 19.4 t ADT: 667

CTH L

Poor

Over: GRASS CREEK

1.7M E JCT CTH S, Marathon, WI

Built 1961 Load: 19.4 t ADT: 477

CTH F

Poor

Over: E BR BIG EAU PLEINE RIVE

0.6M N JCT CTH A, Marathon, WI

Built 1962 Load: 19.4 t ADT: 665

CTH S

Poor

Over: LITTLE EAU PLEINE RIVER

1.3M S JCT CTH C, Marathon, WI

Built 1964 Load: 19.4 t ADT: 590

LRD POPE AVE

Poor

Over: BR W BR BIG EAU PLEINE R

1.6M N JCT CTH A, Marathon, WI

Built 1930 Load: 19.4 t ADT: 90

LRD NAUGART DR

Poor

Over: W FK LT RIB RIVER

0.1M W JCT STH 107, Marathon, WI

Built 1990 Load: 19.4 t ADT: 41

CTH W

Poor

Over: LITTLE PESHTIGO RIVER

1.3M N JCT STH 64, Marinette, WI

Built 1920 Load: 19.4 t ADT: 1,700

CTH C

Poor

Over: WAUSAUKEE RIVER

0.7M E JCT CTH A, Marinette, WI

Built 1920 Load: 19.4 t ADT: 560

LRD IRR (W BRANCH

Poor

Over: W BR WOLF RIVER

3.1M N JCT CTH C, Menominee, WI

Built 1930 Load: 19.4 t ADT: 47

LRD W HOWARD AVE

Poor

Over: MINER CREEK

0.3M W JCT STH "241", Milwaukee, WI

Built 1984 Load: 19.4 t ADT: 8,100

LRD S 72ND ST

Poor

Over: HONEY CREEK

0.1M S JCT CTH NN, Milwaukee, WI

Built 1954 Load: 19.4 t ADT: 747

LRD FAIRMONT AVE (

Poor

Over: BIG CREEK

2.5M N JCT CTH B, Monroe, WI

Built 1960 Load: 19.4 t ADT: 20

CTH L

Poor

Over: BEARSKIN CREEK

6.8M N JCT USH 8 TO W, Oneida, WI

Built 1932 Load: 19.4 t ADT: 3,640

CTH K

Poor

Over: O'DAY LAKE

3.0M E JCT USH 51, Oneida, WI

Built 1987 Load: 19.4 t ADT: 1,500

CTH VV

Poor

Over: S BR SUAMICO RIVER

0.7M E JCT CTH U, Outagamie, WI

Built 1925 Load: 19.4 t ADT: 1,100

CTH O

Poor

Over: BR S FK KINNICKINNIC R

0.2M S JCT STH 65, Pierce, WI

Built 1986 Load: 19.4 t ADT: 957

CTH I

Poor

Over: CLAM RIVER

1.8M W JCT CTH O, Polk, WI

Built 1948 Load: 19.4 t ADT: 857

STH 243

Poor

Over: ST CROIX RIVER 06

AT MINNESOTA STATE LINE, Polk, WI

Built 1953 Load: 19.4 t ADT: 5,686

LRD 350TH AVE

Poor

Over: WOOD RIVER

1.5M W JCT STH 35, Polk, WI

Built 1970 Load: 19.4 t ADT: 173

LRD OLD USH 8

Poor

Over: HAY CREEK

2.8M W JCT STH 13, Price, WI

Built 1921 Load: 19.4 t ADT: 111

LRD MT TOM RD

Poor

Over: HOOSIER CREEK

0.7M W JCT CTH J, Racine, WI

Built 1965 Load: 19.4 t ADT: 411

LRD FOREST HILLS R

Poor

Over: BR ROOT RIVER

0.3M E JCT STH 38, Racine, WI

Built 1940 Load: 19.4 t ADT: 50

CTH C

Poor

Over: E BR ROOT RIVER CANAL

3.5M E JCT USH 45, Racine, WI

Built 1939 Load: 19.4 t ADT: 5,500

STH 130-STH 133

Poor

Over: LONG LAKE

0.6M N JCT STH 133 TO S, Richland, WI

Built 1932 Load: 19.4 t ADT: 1,900

CTH A

Poor

Over: BR HORSE CREEK

1.8M E JCT CTH Z, Richland, WI

Built 1950 Load: 19.4 t ADT: 520

LRD CALEDONIA RD

Poor

Over: YAHARA RIVER

1.2M W JCT STH 184, Rock, WI

Built 1966 Load: 19.4 t ADT: 215

LRD N FOOTVILLE RD

Poor

Over: BR STEVENS CREEK

1.5M S JCT CTH A, Rock, WI

Built 1980 Load: 19.4 t ADT: 23

USH 8

Poor

Over: LITTLE SOFT MAPLE CREEK

1.7M E JCT CTH F TO S, Rusk, WI

Built 1938 Load: 19.4 t ADT: 3,400

STH 73

Poor

Over: CRAZY HORSE CREEK

4.0M N JCT STH 194, Rusk, WI

Built 1989 Load: 19.4 t ADT: 460

CTH X

Poor

Over: BARABOO RIVER

0.2M E JCT STH 33, Sauk, WI

Built 1956 Load: 19.4 t ADT: 790

CTH N

Poor

Over: SUGAR GROVE CREEK

0.5M W JCT STH 23, Sauk, WI

Built 1955 Load: 19.4 t ADT: 320

LRD SHORT LANE

Poor

Over: PACKARD CREEK

0.1M E JCT USH 45, Shawano, WI

Built 1943 Load: 19.4 t ADT: 100

CTH TT

Poor

Over: SHEBOYGAN RIVER

0.1M N JCT STH 23, Sheboygan, WI

Built 1958 Load: 19.4 t ADT: 352

LRD HAMM DR

Poor

Over: TRAPPERS CREEK

2.1M S JCT CTH A, Taylor, WI

Built 1960 Load: 19.4 t ADT: 92

CTH D

Poor

Over: ELK CREEK

0.2M N JCT CTH E, Trempealeau, WI

Built 1958 Load: 19.4 t ADT: 542

CTH G

Poor

Over: BR PINE CREEK

1.6M N JCT CTH J, Trempealeau, WI

Built 1915 Load: 19.4 t ADT: 531

LRD C SOBOTTA LANE

Poor

Over: NEWCOMB VALLEY CREEK

0.1M E JCT STH 95, Trempealeau, WI

Built 1950 Load: 19.4 t ADT: 20

STH 162

Poor

Over: COON CREEK

0.6M N JCT STH 35, Vernon, WI

Built 1969 Load: 19.4 t ADT: 1,100

LRD LIETKE LANE (D

Poor

Over: COON CREEK

0.1M S JCT STH 162, Vernon, WI

Built 1973 Load: 19.4 t ADT: 20

LRD RICHMOND RD

Poor

Over: SWAN CREEK

0.1M N JCT STH 11, Walworth, WI

Built 1982 Load: 19.4 t ADT: 2,100

LRD MIDLAND DR

Poor

Over: KOHLSVILLE RIVER

0.6M N JCT CTH D, Washington, WI

Built 1926 Load: 19.4 t ADT: 395

Showing 14,151-14,200 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.