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%.

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.

All Bridges in Wisconsin

LRD HENDERSON RD

Good

Over: LITTLE BARABOO RIVER

0.2M S JCT CTH EE, Sauk, WI

Built 1996 Load: 40.5 t ADT: 63

LRD STONES POCKET

Good

Over: BR OTTER CREEK

1.8M N JCT CTH C, Sauk, WI

Built 1999 Load: 40.5 t ADT: 5

LRD CHURCHILL RD

Good

Over: TWIN CR

0.1 MILE E. CTH V, Sauk, WI

Built 2005 Load: 40.5 t ADT: 486

LRD CLOVER RD

Good

Over: CHIPPEWA RIVER 31

6.4M N JCT STH 70, Sawyer, WI

Built 1996 Load: 40.5 t ADT: 43

STH 29 WB

Good

Over: S BR EMBARRASS RIVER

2.2M W JCT USH 45 TO N, Shawano, WI

Built 1997 Load: 40.5 t ADT: 5,450

STH 153

Good

Over: S BR EMBARRASS RIVER

3.6M E JCT STH 49, Shawano, WI

Built 1999 Load: 40.5 t ADT: 320

CTH M SPAULDING

Good

Over: S BR EMBARRASS RIVER

0.2M W JCT CTH M TO E, Shawano, WI

Built 2007 Load: 40.5 t ADT: 1,300

STH 28

Good

Over: ONION RIVER

0.8M E JCT STH 32, Sheboygan, WI

Built 1990 Load: 40.5 t ADT: 5,583

CTH JJ MILLERSVI

Good

Over: PIGEON RIVER

0.2M E JCT STH 32, Sheboygan, WI

Built 1987 Load: 40.5 t ADT: 1,400

STH 144

Good

Over: MINK CREEK

0.7M N JCT STH 28 TO E, Sheboygan, WI

Built 1991 Load: 40.5 t ADT: 1,200

LRD S 8TH ST

Good

Over: SHEBOYGAN RIVER

0.6M E JCT STH 42, Sheboygan, WI

Built 1995 Load: 40.5 t ADT: 19,337

STH 28 WB/57 SB-MI

Good

Over: ONION RIVER

0.4M W JCT STH 57 TO N, Sheboygan, WI

Built 1993 Load: 40.5 t ADT: 6,500

CTH G

Good

Over: ONION RIVER

0.3M E JCT CTH KW TO S, Sheboygan, WI

Built 1996 Load: 40.5 t ADT: 219

STH 35 SB

Good

Over: KINNICKINNIC RIVER

0.2M S JCT STH 65 TO N, St. Croix, WI

Built 1993 Load: 40.5 t ADT: 6,400

LRD N RIVER ROAD

Good

Over: KINNICKINNIC RIVER

0.5M S JCT STH 65, St. Croix, WI

Built 1993 Load: 40.5 t ADT: 90

LRD 168 TH AVENUE

Good

Over: PAPERJACK CREEK

0.9M E JCT STH 65, St. Croix, WI

Built 1994 Load: 40.5 t ADT: 1,578

LRD 200TH AVE

Good

Over: BR BOLEN CREEK

1.5M E JCT CTH P, St. Croix, WI

Built 1995 Load: 40.5 t ADT: 50

LRD 200TH AVE

Good

Over: BR BOLEN CREEK

1.9M E JCT CTH P, St. Croix, WI

Built 1995 Load: 40.5 t ADT: 47

LRD 300TH ST

Good

Over: S TIFFANY CREEK

0.1M N JCT CTH DD, St. Croix, WI

Built 1996 Load: 40.5 t ADT: 60

LRD 230TH ST

Good

Over: CARR CREEK

0.7M N JCT CTH DD, St. Croix, WI

Built 2001 Load: 40.5 t ADT: 110

LRD 310TH ST

Good

Over: CADY CREEK

1.5M N JCT STH 29, St. Croix, WI

Built 1968 Load: 40.5 t ADT: 116

CTH G

Good

Over: BR HUTTON CREEK

0.1M W JCT CTH D, St. Croix, WI

Built 1977 Load: 40.5 t ADT: 844

LRD WOOD CREEK AVE

Good

Over: BIG RIB RIVER

1.0M E JCT CTH C, Taylor, WI

Built 1992 Load: 40.5 t ADT: 58

LRD ZUTHER AVE

Good

Over: WOOD CREEK

3.8M E JCT CTH C, Taylor, WI

Built 1993 Load: 40.5 t ADT: 33

LRD SAWYER AVE

Good

Over: BLACK RIVER

3.5M N JCT STH 64, Taylor, WI

Built 1997 Load: 40.5 t ADT: 55

LRD TOWER AVE

Good

Over: BIG RIB RIVER

1.7M E JCT CTH C, Taylor, WI

Built 1995 Load: 40.5 t ADT: 27

LRD DIVISION RD

Good

Over: BLACK RIVER

1.1M N JCT STH 64, Taylor, WI

Built 2006 Load: 40.5 t ADT: 95

CTH H

Good

Over: YELLOW RIVER

2.1M S JCT STH 64, Taylor, WI

Built 2004 Load: 40.5 t ADT: 481

LRD BUFFALO DR

Good

Over: MCKENZIE CREEK

0.3M W JCT CTH A, Taylor, WI

Built 2004 Load: 40.5 t ADT: 37

LRD ED JOHNSON RD

Good

Over: FLY CREEK

0.2M S JCT CTH S, Trempealeau, WI

Built 1995 Load: 40.5 t ADT: 35

LRD LEWIS VALLEY R

Good

Over: LEWIS VALLEY CREEK

1.1M W JCT STH 93, Trempealeau, WI

Built 1997 Load: 40.5 t ADT: 205

USH 10

Good

Over: TRIB TO BUFFALO RIVER

4.0M E JCT STH 93, Trempealeau, WI

Built 2001 Load: 40.5 t ADT: 1,700

LRD N 36 VALLEY RD

Good

Over: ELK CREEK

0.3M N JCT STH 93, Trempealeau, WI

Built 2003 Load: 40.5 t ADT: 100

LRD THOMPSON VALLE

Good

Over: THOMPSON VALLEY CREEK

0.8 M S JCT STH 95, Trempealeau, WI

Built 2004 Load: 40.5 t ADT: 263

CTH J

Good

Over: BILL VALLEY CREEK

4.0M W JCT STH 93, Trempealeau, WI

Built 2006 Load: 40.5 t ADT: 1,102

CTH D/MAIN ST

Good

Over: IRVIN CREEK

0.4 MILES S OF JUNCTION O, Trempealeau, WI

Built 2022 Load: 40.5 t ADT: 620

STH 131

Good

Over: KICKAPOO RIVER

1.1M N JCT CTH P TO W, Vernon, WI

Built 2001 Load: 40.5 t ADT: 740

STH 131

Good

Over: KICKAPOO RIVER

1.7M N JCT CTH P TO W, Vernon, WI

Built 2001 Load: 40.5 t ADT: 740

STH 131

Good

Over: KICKAPOO RIVER

2.9M N JCT CTH P TO W, Vernon, WI

Built 2001 Load: 40.5 t ADT: 740

LRD LOCKINGTON RD

Good

Over: S FK BAD AXE RIVER

3.6M S JCT STH 56, Vernon, WI

Built 1993 Load: 40.5 t ADT: 44

LRD CEPEK RD (DEAD

Good

Over: HILLS CREEK

0.3M S JCT CTH WW, Vernon, WI

Built 1997 Load: 40.5 t ADT: 5

STH 131

Good

Over: UNNAMED STREAM

0.9M N JCT CTH P EAST, Vernon, WI

Built 2002 Load: 40.5 t ADT: 740

STH 33-SOUTH ST

Good

Over: BRUSH CREEK

9.1M E JCT CTH D, Vernon, WI

Built 2002 Load: 40.5 t ADT: 1,800

CTH F

Good

Over: BILLINGS CREEK

0.8M E JCT STH 131, Vernon, WI

Built 2003 Load: 40.5 t ADT: 170

LRD TAINTER HOLLOW

Good

Over: BRANCH TAINTER CREEK

1.6 M E JCT STH 27, Vernon, WI

Built 2022 Load: 40.5 t ADT: 47

LRD NORTH ROAD

Good

Over: DARIEN CREEK

.2M N OFIH43, Walworth, WI

Built 2011 Load: 40.5 t ADT: 88

LRD SOUTH LAKE SHO

Good

Over: TRIB LAKE GENEVA

0.5M E JCT STH 67, Walworth, WI

Built 2016 Load: 40.5 t ADT: 5,200

STH 60 EB

Good

Over: WISCONSIN CENTRAL LTD RR

0.3 MI E JCT STH 144, Washington, WI

Built 1991 Load: 40.5 t ADT: 10,850

STH 60 WB

Good

Over: WISCONSIN CENTRAL LTD RR

0.5 MI W JCT STH 175, Washington, WI

Built 1991 Load: 40.5 t ADT: 10,850

CTH D

Good

Over: E BR ROCK RIVER

0.9M W JCT USH 41, Washington, WI

Built 2010 Load: 40.5 t ADT: 2,500

Showing 12,751-12,800 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 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.