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%.

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.

All Bridges in Wisconsin

STH 34

Good

Over: LITTLE EAU PLEINE RIVER

0.5M N JCT CTH E, Portage, WI

Built 1999 Load: 35.6 t ADT: 4,500

USH 10 EB RAMP

Good

Over: TOMORROW RIVER

AT TOMORROW RIVER, Portage, WI

Built 2004 Load: 35.6 t ADT: 320

USH 10 WB RAMP

Good

Over: TOMORROW RIVER

AT TOMORROW RIVER, Portage, WI

Built 2004 Load: 35.6 t ADT: 370

CTH Q

Good

Over: BEAR CREEK

1.3M S JCT CTH B, Portage, WI

Built 2003 Load: 35.6 t ADT: 426

CTH Y

Good

Over: PLOVER RIVER

2.9 M N JCT CTH K, Portage, WI

Built 2022 Load: 35.6 t ADT: 1,680

LRD THOROFARE RD (

Good

Over: ROUND LAKE OUTLET

2.1M N JCT STH 70, Price, WI

Built 1990 Load: 35.6 t ADT: 108

LRD GREEN CREEK RD

Good

Over: WEB CREEK

0.3M W JCT CTH N, Price, WI

Built 1993 Load: 35.6 t ADT: 33

LRD RIVER RD (DEAD

Good

Over: N FK SPIRIT RIVER

1.1M N JCT STH 86, Price, WI

Built 2005 Load: 35.6 t ADT: 104

LRD STATE ST

Good

Over: FOX RIVER

FOX RIVER, Racine, WI

Built 2003 Load: 35.6 t ADT: 6,200

CTH K

Good

Over: E BR ROOT RIVER

1.8M E JCT CTH U TO N, Racine, WI

Built 1992 Load: 35.6 t ADT: 2,700

STH 31 NB

Good

Over: ROOT RIVER

2.0 MI N JCT STH 38, Racine, WI

Built 1999 Load: 35.6 t ADT: 6,050

STH 31 SB

Good

Over: ROOT RIVER

2.1 MI S JCT STH 32, Racine, WI

Built 1999 Load: 35.6 t ADT: 6,050

STH 20

Good

Over: HONEY CREEK

4.7M E JCT IH-43, Racine, WI

Built 1995 Load: 35.6 t ADT: 3,400

LRD IVES GROVE RD

Good

Over: E BR ROOT RIVER CANAL

0.2M E JCT STH20, Racine, WI

Built 2004 Load: 35.6 t ADT: 52

LRD SIMMONS FLAT R

Good

Over: KICKAPOO RIVER

0.4M E JCT STH 131, Richland, WI

Built 1987 Load: 35.6 t ADT: 57

CTH G

Good

Over: BR CAMP CREEK

1.1M N JCT CTH I, Richland, WI

Built 1993 Load: 35.6 t ADT: 70

LRD WOLF LN

Good

Over: W BR PINE RIVER

0.1M W JCT CTH D, Richland, WI

Built 1987 Load: 35.6 t ADT: 45

LRD WOODSTOCK DR

Good

Over: W BR PINE RIVER

0.1M S JCT CTH D, Richland, WI

Built 1988 Load: 35.6 t ADT: 45

LRD BYRDS CREEK VA

Good

Over: BYRDS CREEK

1.2M N JCT STH 60, Richland, WI

Built 1989 Load: 35.6 t ADT: 62

LRD ST KILLIAN RD

Good

Over: BEAR CREEK

0.3M E JCT STH 130, Richland, WI

Built 1990 Load: 35.6 t ADT: 56

LRD ROBBSON RD

Good

Over: MILL CREEK

0.7M N JCT CTH E, Richland, WI

Built 1992 Load: 35.6 t ADT: 90

CTH MM

Good

Over: CAMP CREEK

0.3M S JCT STH 56, Richland, WI

Built 1991 Load: 35.6 t ADT: 76

LRD ROUND BARN LAN

Good

Over: DIETER HOLLOW CREEK

0.4M W JCT CTH E, Richland, WI

Built 1992 Load: 35.6 t ADT: 84

STH 58

Good

Over: MCGLYNN CREEK (LEE LAKE)

1.1M N JCT CTH I, Richland, WI

Built 1999 Load: 35.6 t ADT: 1,100

LRD ELK CREEK RD

Good

Over: BR ELK CREEK

0.8M E JCT CTH U, Richland, WI

Built 1994 Load: 35.6 t ADT: 16

LRD TOWER RD.

Good

Over: KNAPP CREEK

0.1M W JCT CTH U, Richland, WI

Built 1994 Load: 35.6 t ADT: 22

LRD FRY RD

Good

Over: BR WILLOW CREEK

0.8M S JCT CTH S, Richland, WI

Built 1992 Load: 35.6 t ADT: 557

CTH II

Good

Over: SIMPSON CREEK

0.4M N JCT CTH I, Richland, WI

Built 1995 Load: 35.6 t ADT: 1

CTH I

Good

Over: HAWKINS CREEK

0.3M W JCT CTH II, Richland, WI

Built 2001 Load: 35.6 t ADT: 494

LRD HAWKINS CREEK

Good

Over: HAWKINS CREEK

0.1M N JCT CTH I, Richland, WI

Built 2002 Load: 35.6 t ADT: 117

STH 56

Good

Over: TRIB TO CAMP CREEK

1.1M EAST OF CTH MM, Richland, WI

Built 2002 Load: 35.6 t ADT: 490

LRD DEEP WELL LANE

Good

Over: RYAN HOLLOW CREEK

0.1 MI N OF CTH KK, Richland, WI

Built 2018 Load: 35.6 t ADT: 100

STH 81

Good

Over: EAST FORK RACCOON CREEK

2.4M E JCT CTH H, Rock, WI

Built 1990 Load: 35.6 t ADT: 3,300

LRD CREEK RD

Good

Over: CMSTPP RR

3.4M E JCT STH 140, Rock, WI

Built 2020 Load: 35.6 t ADT: 480

LRD HOPKINS RD

Good

Over: BR SUGAR RIVER

0.9M N ILLINOIS ST LINE, Rock, WI

Built 1994 Load: 35.6 t ADT: 82

LRD SNYDER RD

Good

Over: STEVENS CREEK

2.2M W JCT STH 184, Rock, WI

Built 1996 Load: 35.6 t ADT: 105

STH 59-STH 213

Good

Over: ALLEN CREEK

0.9M E JCT STH 213 TO S, Rock, WI

Built 2000 Load: 35.6 t ADT: 3,200

STH 11 EB

Good

Over: MARKHAM CR

1.5M E OF JCT HANOVER RD, Rock, WI

Built 2002 Load: 35.6 t ADT: 2,350

STH 11 WB

Good

Over: MARKHAM CR

2.0M W JCT USH 51, Rock, WI

Built 2002 Load: 35.6 t ADT: 2,350

LRD JOHNSON DR

Good

Over: N BR BASS CR OVERFLOW

3.6M N JCT STH 213, Rock, WI

Built 2003 Load: 35.6 t ADT: 275

CTH H

Good

Over: RACCOON CREEK

1.0M S JCT STH 81, Rock, WI

Built 2005 Load: 35.6 t ADT: 422

IH 39 NB / IH 90 W

Good

Over: TURTLE CREEK

0.5M W JCT CTH S TO E, Rock, WI

Built 2018 Load: 35.6 t ADT: 26,750

IH 39 SB / IH 90 E

Good

Over: WSOR

3.7M S JCT STH 59, Rock, WI

Built 2019 Load: 35.6 t ADT: 26,750

LRD POLZIN ROAD

Good

Over: MARSH CREEK

0.5 MILES SOUTH OF USH 14, Rock, WI

Built 2021 Load: 35.6 t ADT: 112

LRD BEAM RD

Good

Over: DEER TAIL CREEK

0.6M N JCT USH 8, Rusk, WI

Built 1994 Load: 35.6 t ADT: 189

LRD PIONEER RD

Good

Over: SKINNER CREEK

1.2M E JCT CTH M-102, Rusk, WI

Built 1999 Load: 35.6 t ADT: 54

LRD MEADOW DAM RD

Good

Over: BIG WEIRGOR CREEK

5.9M E JCT CTH H-120, Rusk, WI

Built 2000 Load: 35.6 t ADT: 54

LRD POLGAR RD

Good

Over: SKINNER CR

1.1M W JCT CTH M, Rusk, WI

Built 2004 Load: 35.6 t ADT: 53

CTH O

Good

Over: DEVILS CREEK

6.2M W JCT STH 40-31, Rusk, WI

Built 2016 Load: 35.6 t ADT: 300

STH 136

Good

Over: PLEASANT VALLEY CREEK

2.3M E JCT CTH PP, Sauk, WI

Built 1990 Load: 35.6 t ADT: 3,500

Showing 10,651-10,700 of 14,851 bridges

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.

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.