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 LAKE SHORE RD

Fair

Over: TRIB LAKE MICHIGAN

2.2M E JCT STH 42, Manitowoc, WI

Built 1970 Load: 32.4 t ADT: 47

STH 29

Fair

Over: BROD CREEK

0.3M E JCT STH 97, Marathon, WI

Built 1957 Load: 32.4 t ADT: 13,700

CTH N

Fair

Over: BR BIG SANDY CREEK

2.3M W JCT CTH SS, Marathon, WI

Built 1962 Load: 32.4 t ADT: 3,699

STH 153-MAIN ST

Fair

Over: WISCONSIN RIVER 25

0.2M E JCT CTH B, Marathon, WI

Built 1963 Load: 32.4 t ADT: 13,100

USH B51-GRAND AVE

Fair

Over: WISCONSIN CENTRAL LTD

2.9M N JCT STH 29 TO E, Marathon, WI

Built 1964 Load: 32.4 t ADT: 31,844

STH 97-WEBER AVE

Fair

Over: BR BIG EAU PLEINE RIVER

3.8M N JCT CTH C TO E, Marathon, WI

Built 1967 Load: 32.4 t ADT: 7,000

STH 29 EB

Fair

Over: LITTLE RIB RIVER

3.6M E JCT CTH O, Marathon, WI

Built 1971 Load: 32.4 t ADT: 20,500

STH 29 WB

Fair

Over: LITTLE RIB RIVER

1.8M W JCT STH 52 TO E, Marathon, WI

Built 1971 Load: 32.4 t ADT: 20,500

LRD 14TH AVE

Fair

Over: BOS CREEK

0.6M N JCT USH B51, Marathon, WI

Built 1974 Load: 32.4 t ADT: 412

STH 13

Fair

Over: ROMEO CREEK

2.8M N JCT STH 98, Marathon, WI

Built 1989 Load: 32.4 t ADT: 6,200

CTH N

Fair

Over: ELM BROOK

0.1M E JCT STH 13, Marathon, WI

Built 1986 Load: 32.4 t ADT: 1,320

STH 97

Fair

Over: WILD CREEK

0.4M N JCT CTH C TO E, Marathon, WI

Built 1966 Load: 32.4 t ADT: 6,600

CTH A

Fair

Over: EINERT CREEK

0.1M E JCT CTH S TO S, Marathon, WI

Built 1986 Load: 32.4 t ADT: 1,203

STH 52

Fair

Over: PREBLE CREEK

5.8M E JCT CTH W, Marathon, WI

Built 1991 Load: 32.4 t ADT: 2,300

CTH C

Fair

Over: WILD CREEK

1.0M E JCT STH 97, Marathon, WI

Built 1968 Load: 32.4 t ADT: 2,620

STH 107

Fair

Over: BIG RIB RIVER

0.6M N JCT CTH B, Marathon, WI

Built 1989 Load: 32.4 t ADT: 5,500

CTH Q

Fair

Over: BIG SANDY CREEK

0.5M N JCT STH 52, Marathon, WI

Built 1991 Load: 32.4 t ADT: 601

STH 29

Fair

Over: MARSH CREEK

0.4M E JCT CTH F, Marathon, WI

Built 1999 Load: 32.4 t ADT: 11,900

STH 97

Fair

Over: POTATO CREEK

1.4M N JCT CTH M TO E, Marathon, WI

Built 1999 Load: 32.4 t ADT: 2,700

STH 29

Fair

Over: ELM BROOK

TOWN OF HULL, Marathon, WI

Built 1998 Load: 32.4 t ADT: 9,200

STH 153

Fair

Over: JOHNSON CREEK

2.5M E JCT CTH X, Marathon, WI

Built 1998 Load: 32.4 t ADT: 1,600

STH 49

Fair

Over: COMET CREEK

3.8M N JCT CTH C, Marathon, WI

Built 1941 Load: 32.4 t ADT: 1,900

CTH DB

Fair

Over: LAKE DU BAY

0.5M S JCT CTH C, Marathon, WI

Built 1942 Load: 32.4 t ADT: 1,803

LRD BUNGALOO RD

Fair

Over: BALDWIN CREEK

2.3M N JCT CTH F, Marathon, WI

Built 1974 Load: 32.4 t ADT: 42

LRD WOODLAND RD

Fair

Over: E BR BIG SANDY CREEK

1.8M S JCT STH 52, Marathon, WI

Built 1907 Load: 32.4 t ADT: 22

LRD CHESAK RD.

Fair

Over: BROD CREEK

0.1M W JCT STH 97, Marathon, WI

Built 1984 Load: 32.4 t ADT: 30

LRD BUTTERNUT RD

Fair

Over: BROD CREEK

1.3M N JCT CTH N, Marathon, WI

Built 1984 Load: 32.4 t ADT: 45

CTH P

Fair

Over: ROCK CREEK

1.1M E JCT STH 97, Marathon, WI

Built 1932 Load: 32.4 t ADT: 500

LRD KRISTOF RD

Fair

Over: PLOVER RIVER

0.3M W JCT CTH Y, Marathon, WI

Built 1978 Load: 32.4 t ADT: 50

LRD 44TH AVE

Fair

Over: OTTO CREEK

0.8M N JCT CTH U, Marathon, WI

Built 1991 Load: 32.4 t ADT: 268

USH 8-USH 141

Fair

Over: S BR PEMEBONWON RIVER

1.0M E JCT CTH OO, Marinette, WI

Built 1970 Load: 32.4 t ADT: 4,600

CTH Z

Fair

Over: MENOMINEE RIVER

AT MICHIGAN STATE LINE, Marinette, WI

Built 1972 Load: 32.4 t ADT: 603

USH 8-USH 141

Fair

Over: S BR PEMEBONWON RIVER

0.5M E JCT USH 141 TO S, Marinette, WI

Built 1975 Load: 32.4 t ADT: 5,200

CTH C

Fair

Over: EAGLE CREEK

4.1M W JCT CTH A, Marinette, WI

Built 1935 Load: 32.4 t ADT: 710

CTH K

Fair

Over: MENOMINEE RIVER

TOWN OF AMBERG, Marinette, WI

Built 2002 Load: 32.4 t ADT: 170

LRD CALDRON FALLS

Fair

Over: N FK THUNDER RIVER

2.3M N JCT CTH W, Marinette, WI

Built 1995 Load: 32.4 t ADT: 175

IH USH 51-IH 39

Fair

Over: CHAPMAN CREEK

2.5M N JCT STH 23 TO W, Marquette, WI

Built 1985 Load: 32.4 t ADT: 17,800

LRD FOX RD

Fair

Over: NEENAH CREEK

0.5M W JCT CTH A, Marquette, WI

Built 1986 Load: 32.4 t ADT: 110

STH 22-MAIN ST

Fair

Over: FOX RIVER

0.3M N JCT CTH K, Marquette, WI

Built 1997 Load: 32.4 t ADT: 5,300

STH 82

Fair

Over: NEENAH CR

0.9M E JCT CTH EE, Marquette, WI

Built 2003 Load: 32.4 t ADT: 4,100

CTH A

Fair

Over: WIDOW GREEN CREEK

0.6M S JCT CTH P, Marquette, WI

Built 1979 Load: 32.4 t ADT: 830

CTH BB E RAWSON A

Fair

Over: BR OAK CREEK

0.8M E JCT STH 38, Milwaukee, WI

Built 1955 Load: 32.4 t ADT: 17,100

LRD S SHEPARD AVE

Fair

Over: OAK CREEK

0.1M N JCT STH 100, Milwaukee, WI

Built 2001 Load: 32.4 t ADT: 2,200

STH 175 SB

Fair

Over: LAND

0.2M S JCT IH 94 TO W, Milwaukee, WI

Built 1959 Load: 32.4 t ADT: 24,650

IH RAMP IH 94 WB -

Fair

Over: LAND

0.2M S JCT IH 94 TO W, Milwaukee, WI

Built 1959 Load: 32.4 t ADT: 7,500

STH 100 SB-S 108TH

Fair

Over: HAST (ABANDONED CMSTPP R

0.5 MI S JCT USH 18, Milwaukee, WI

Built 1961 Load: 32.4 t ADT: 12,650

IH 94 EB-IH 43 SB

Fair

Over: MENOMONEE CANAL

0.4M S JCT IH 794, Milwaukee, WI

Built 1968 Load: 32.4 t ADT: 78,000

STH 38 SB-HOWELL A

Fair

Over: OAK CREEK

2.7M S JCT CTH BB (RAWSON, Milwaukee, WI

Built 1968 Load: 32.4 t ADT: 12,050

STH 38 NB-HOWELL A

Fair

Over: OAK CREEK

0.3M N JCT STH 100, Milwaukee, WI

Built 1968 Load: 32.4 t ADT: 12,050

STH 100-N 108TH ST

Fair

Over: WILDCAT CREEK

0.8M N JCT USH 45 TO N, Milwaukee, WI

Built 1968 Load: 32.4 t ADT: 23,900

Showing 5,501-5,550 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.

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.