Total Bridges
14,851
Public highway bridges in Wisconsin
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
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)
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
45
South Carolina
6.10% top marginal rate
55
Wisconsin
6.13% top marginal rate
37
North Carolina
6.16% top marginal rate
15
Hawaii
6.47% top marginal rate
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
PoorOver: BEAR CREEK
1.2M N JCT STH 76, Outagamie, WI
Built 1958 Load: 1.6 t ADT: 1,175
LRD WOODFORD DR
PoorOver: RAILS TO TRAILS TRAIL
0.3M E JCT USH 45, Washington, WI
Built 1910 Load: 1.6 t ADT: 47
LRD ACCESS RD
PoorOver: MENASHA CHANNEL
ACCESS TO PARKING LOT BY, Winnebago, WI
Built 1960 Load: 1.6 t ADT: 20
CTH A
Structurally DeficientOver: 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 DeficientOver: EVERGREEN CREEK
0.1M N JCT STH 64, Langlade, WI
Built 1916 Load: 3.2 t ADT: 6
LRD CORNELL LANE (
Structurally DeficientOver: BR COON CREEK
0.1M E JCT USH 14, Vernon, WI
Built 1985 Load: 3.2 t ADT: 10
All Bridges in Wisconsin
LRD STH A
UnknownOver: STH 64
AT 110TH ST, St. Croix, WI
Built 2006 ADT: 8,700
LRD HANLEY ROAD
UnknownOver: STH 35
HANLEY ROAD, St. Croix, WI
Built 2005 ADT: 17,500
LRD COULEE RD
UnknownOver: STH 35
3.2M N JCT STH 65, St. Croix, WI
Built 2012 ADT: 17,400
STH 64
UnknownOver: ST. CROIX RIVER
3 MI S JCT HWY 96, St. Croix, WI
Built 2017 ADT: 11,928
STH 35
UnknownOver: STH 64
AT STH 35, St. Croix, WI
Built 2015 ADT: 1
STH CTH E
UnknownOver: STH 64
LOCATION UNKNOWN, PLEASE, St. Croix, WI
Built 2015 ADT: 32,120
LRD RADIO ROAD
UnknownOver: STH 35
AT RADIO RD, St. Croix, WI
Built 2015 ADT: 16,950
CTH B
UnknownOver: IH 94
AT CTH B, St. Croix, WI
Built 2013 ADT: 36,800
IH 94 WB
UnknownOver: LRD 50TH AVE
2.5M E JCT STH 128, St. Croix, WI
Built 2019 ADT: 112
IH 94 EAST
UnknownOver: LRD 50TH AVE
0.4 MI E JCT 320TH ST, St. Croix, WI
Built 2020 ADT: 112
IH 94 WB
UnknownOver: LRD 310 ST
1.4M N JCT CTH N, St. Croix, WI
Built 2019 ADT: 230
IH 94 EB
UnknownOver: LRD 310TH ST
300 FT S JCT 53RD AVE, St. Croix, WI
Built 2020 ADT: 230
STH 65
UnknownOver: IH 94
1.2M N JCT CTH N, St. Croix, WI
Built 2013 ADT: 69,000
IH 94 WB
UnknownOver: LRD 130TH STREET
0.2M N JCT CTH N, St. Croix, WI
Built 2019 ADT: 325
IH 94 EB
UnknownOver: LRD 130TH STREET
0.2M N JCT CTH N, St. Croix, WI
Built 2019 ADT: 325
LRD HIGHLAND DRIVE
UnknownOver: IH 94
2.7M E JCT STH 65 TO N, St. Croix, WI
Built 2017 ADT: 51,800
CTH J NB & SB
UnknownOver: IH 94
2.5 MI W JCT CTH T, St. Croix, WI
Built 2016 ADT: 34,100
CTH T
UnknownOver: IH 94
6.7 MI E JCT STH 65 TO N, St. Croix, WI
Built 2016 ADT: 44,400
LRD 200TH ST
UnknownOver: IH 94
1.0 MI W JCT WITH STH 63, St. Croix, WI
Built 2016 ADT: 39,000
LRD 233RD STREET
UnknownOver: IH 94
2.2M E JCT USH 63 TO N, St. Croix, WI
Built 2016 ADT: 32,100
CTH BB
UnknownOver: IH 94 EB & WB
2.9M E JCT USH 63 TO N, St. Croix, WI
Built 2016 ADT: 34,100
STH 128
UnknownOver: IH 94
4.1M E JCT CTH B TO N, St. Croix, WI
Built 2017 ADT: 39,200
IH 94 WB
UnknownOver: CTH NN
1.9M N JCT CTH N, St. Croix, WI
Built 2022 ADT: 140
IH 94 EB
UnknownOver: CTH NN
1.9M N JCT CTH N, St. Croix, WI
Built 2023 ADT: 140
CNW RR
UnknownOver: STH 35-2ND ST
1.8M N JCT IH 94 TO W, St. Croix, WI
Built 1934 ADT: 99
SOO LINE
UnknownOver: CTH S
2.0M E JCT CTH O TO S, St. Croix, WI
Built 1950 ADT: 130
WISC CENTL LTD
UnknownOver: LRD 95TH ST.
1.9M S JCT STH 64, St. Croix, WI
Built 1950 ADT: 80
SOO LINE
UnknownOver: CTH X
2.8M N JCT STH 128, St. Croix, WI
Built 1920 ADT: 170
SOO LINE
UnknownOver: LRD TOWN RD
1.2M E JCT STH 128, St. Croix, WI
Built 1962 ADT: 50
CNW RR
UnknownOver: LRD LABARGE RD
0.4M N JCT USH 12, St. Croix, WI
Built 1898 ADT: 80
SOO LINE
UnknownOver: LRD I MAIN ST
0.6M S JCT STH 35, St. Croix, WI
Built 1900 ADT: 570
CNW RR
UnknownOver: LRD D LOCKWOOD ST
0.2M S JCT USH 12, St. Croix, WI
Built 1912 ADT: 1,860
USH 53-MAIN ST
UnknownOver: CTH K
0.7M N JCT STH 35, Trempealeau, WI
Built 1997 ADT: 99
USH 10 EB
UnknownOver: IH 94
AT USH 10, Trempealeau, WI
Built 2003 ADT: 26,400
IH 94 EB
UnknownOver: CTH NN / BUFFALO RIVER S
0.9M N JCT USH 10, Trempealeau, WI
Built 2020 ADT: 250
IH 94 WB
UnknownOver: CTH NN / BUFFALO RIVER S
0.9M N JCT USH 10, Trempealeau, WI
Built 2019 ADT: 250
LRD INDIAN MOUND R
UnknownOver: USH 12
INDIAN MOUND ROAD, Walworth, WI
Built 2004 ADT: 6,200
CTH B
UnknownOver: USH 12
7.4M E JCT STH 50 TO E, Walworth, WI
Built 1965 ADT: 11,500
CTH U
UnknownOver: USH 12
5.8M E JCT STH 50 TO E, Walworth, WI
Built 1965 ADT: 11,500
USH 12 EB
UnknownOver: LRD PELL LAKE DR
0.6M W JCT CTH U, Walworth, WI
Built 1965 ADT: 4,600
USH 12 WB
UnknownOver: LRD PELL LAKE DR
0.6M W JCT CTH U, Walworth, WI
Built 1965 ADT: 4,300
LRD CLOVER RD
UnknownOver: USH 12
3.2M E JCT STH 50 TO E, Walworth, WI
Built 1965 ADT: 15,100
LRD BLOOMFIELD RD
UnknownOver: USH 12
1.9M E JCT STH 50 TO E, Walworth, WI
Built 1965 ADT: 15,100
LRD TOWN LINE RD
UnknownOver: USH 12
1.1M E JCT STH 50 TO E, Walworth, WI
Built 1965 ADT: 12,000
LRD SHERIDAN SPRIN
UnknownOver: USH 12
0.2M E JCT STH 120, Walworth, WI
Built 1967 ADT: 21,600
USH 12 WB
UnknownOver: STH 120
2.4M S JCT STH 36 TO N, Walworth, WI
Built 1967 ADT: 6,700
USH 12 EB
UnknownOver: STH 120
2.4M S JCT STH 36 TO N, Walworth, WI
Built 1967 ADT: 6,700
USH 12 EB
UnknownOver: CTH NN
0.4M N JCT CTH H, Walworth, WI
Built 1967 ADT: 3,100
USH 12 WB
UnknownOver: CTH NN
0.4M N JCT CTH H, Walworth, WI
Built 1967 ADT: 3,100
LRD SPRINGFIELD RD
UnknownOver: USH 12
3.2M E JCT IH 43 TO N, Walworth, WI
Built 1968 ADT: 18,800
Showing 2,451-2,500 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.
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.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |