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 OGDEN ST
FairOver: MENOMINEE RIVER
1.9M E JCT USH 41, Marinette, WI
Built 1973 Load: 29.2 t ADT: 6,000
LRD HATTIE ST
FairOver: MENOMINEE RIVER
0.1M N JCT STH 180, Marinette, WI
Built 1976 Load: 29.2 t ADT: 7,200
STH 22-MAIN ST
FairOver: FOX RIVER CANAL
0.4M N JCT CTH K, Marquette, WI
Built 1997 Load: 29.2 t ADT: 5,300
LRD W BELOIT RD
FairOver: HONEY CREEK
0.8M N JCT CTH NN, Milwaukee, WI
Built 1959 Load: 29.2 t ADT: 8,600
STH 38-HOWELL AVE
FairOver: AIRPORT CREEK
0.5M N JCT CTH ZZ, Milwaukee, WI
Built 1964 Load: 29.2 t ADT: 23,600
STH 100 SB-S 108TH
FairOver: ROOT RIVER
0.2M S JCT CTH T, Milwaukee, WI
Built 1968 Load: 29.2 t ADT: 14,200
STH 100 NB-S 108TH
FairOver: ROOT RIVER
0.9M N JCT CTH Y/LAYTON A, Milwaukee, WI
Built 1968 Load: 29.2 t ADT: 14,200
IH 43 SB-HALE INTR
FairOver: ROOT RIVER MARSH
0.9 MI W JCT S 84TH ST, Milwaukee, WI
Built 1966 Load: 29.2 t ADT: 17,900
STH 100 NB-MAYFAIR
FairOver: MENOMONEE RIVER
3.4M N JCT USH 18 (F), Milwaukee, WI
Built 1968 Load: 29.2 t ADT: 11,300
IH 41/USH 45/STH 1
FairOver: CNW RR
2.3M N JCT STH 190 (G), Milwaukee, WI
Built 1967 Load: 29.2 t ADT: 54,500
STH 36-LOOMIS RD
FairOver: ROOT RIVER
3.3 MI N JCT STH 100, Milwaukee, WI
Built 1968 Load: 29.2 t ADT: 15,500
IH 794 EB
FairOver: LAND
1.0 MI E JCT IH 43, Milwaukee, WI
Built 1974 Load: 29.2 t ADT: 39,850
IH RAMP, BROADWAY
FairOver: LAND
1.0 MI E JCT IH 43, Milwaukee, WI
Built 1974 Load: 29.2 t ADT: 4,910
LRD FOREST HILL AV
FairOver: OAK CREEK
1.2M E JCT STH 38, Milwaukee, WI
Built 1979 Load: 29.2 t ADT: 1,800
LRD W CLEVELAND AV
FairOver: KINNICKINNIC RIVER
0.6M E JCT STH 241, Milwaukee, WI
Built 1986 Load: 29.2 t ADT: 4,300
STH 57-GREEN BAY A
FairOver: LINCOLN CREEK
1.7M N JCT STH 190 TO E, Milwaukee, WI
Built 1941 Load: 29.2 t ADT: 13,600
STH 241 N/27TH ST
FairOver: ROOT RIVER
0.1M N JCT IH 94 TO W, Milwaukee, WI
Built 1931 Load: 29.2 t ADT: 6,800
LRD S DANA COURT (
FairOver: LAND
0.3M S JCT USH 18, Milwaukee, WI
Built 1928 Load: 29.2 t ADT: 52
LRD 15TH AVE
FairOver: OAK CREEK
1.1M S JCT COLLEGE (CTH, Milwaukee, WI
Built 1957 Load: 29.2 t ADT: 3,000
IH 90 EB
FairOver: LITTLE LA CROSSE RIVER
8 MI E JCT STH 162 (MM23., Monroe, WI
Built 1968 Load: 29.2 t ADT: 12,150
IH 90 WB
FairOver: LITTLE LA CROSSE RIVER
1.8M W JCT STH 27 TO N, Monroe, WI
Built 1968 Load: 29.2 t ADT: 12,150
STH 131
FairOver: KICKAPOO RIVER
0.6M N JCT STH 33, Monroe, WI
Built 1978 Load: 29.2 t ADT: 2,000
LRD COPPER RD
FairOver: E FK LEMONWEIR RIVER
0.1M N JCT STH 21, Monroe, WI
Built 1976 Load: 29.2 t ADT: 117
LRD FUNNEL RD
FairOver: E FK LEMONWEIR RIVER
1.3M S JCT STH 21, Monroe, WI
Built 1986 Load: 29.2 t ADT: 69
LRD KEYSTONE ROAD
FairOver: KICKAPOO RIVER
0.1M N JCT STH 71, Monroe, WI
Built 1986 Load: 29.2 t ADT: 97
LRD IRONWOOD RD
FairOver: BEAR CREEK
1.8M N JCT CTH A, Monroe, WI
Built 1974 Load: 29.2 t ADT: 23
LRD PESHTIGO BROOK
FairOver: PESHTIGO BROOK
0.7M N JCT STH 32, Oconto, WI
Built 1983 Load: 29.2 t ADT: 301
LRD GOATSVILLE RD
FairOver: KELLY BROOK
1.5M N JCT CTH A, Oconto, WI
Built 1932 Load: 29.2 t ADT: 8,600
LRD JAGIELLO RD
FairOver: LITTLE RIVER
0.4M S JCT CTH M, Oconto, WI
Built 1927 Load: 29.2 t ADT: 135
LRD BOYCE DR
FairOver: PELICAN RIVER
.3M E JCT 17 & 47, Oneida, WI
Built 1987 Load: 29.2 t ADT: 5,656
STH 96-MAIN ST
FairOver: BONGERS CREEK
1.4 MI E OF STH 96, Outagamie, WI
Built 1956 Load: 29.2 t ADT: 5,400
LRD BUBOLTZ RD
FairOver: MAPLE CREEK
0.3M N JCT CTH W, Outagamie, WI
Built 1909 Load: 29.2 t ADT: 47
LRD SEMINARY ROAD
FairOver: DUCK CREEK
0.5M W JCT CTH E, Outagamie, WI
Built 1979 Load: 29.2 t ADT: 235
LRD RAY RD
FairOver: BR DUCK CREEK
0.1M S JCT CTH EE, Outagamie, WI
Built 1910 Load: 29.2 t ADT: 1,100
CTH P
FairOver: SHIOC RIVER
2.2M E JCT STH 187, Outagamie, WI
Built 1972 Load: 29.2 t ADT: 239
STH 57-STH 167-MEQ
FairOver: MILWAUKEE RIVER
0.1M N JCT CTH V, Ozaukee, WI
Built 1983 Load: 29.2 t ADT: 26,000
LRD PIERRE LANE
FairOver: SAUK CREEK
0.4M N JCT STH 32, Ozaukee, WI
Built 1966 Load: 29.2 t ADT: 2,400
CTH D
FairOver: ARKANSAW CREEK
0.1M E JCT CTH N, Pepin, WI
Built 1961 Load: 29.2 t ADT: 446
CTH P
FairOver: EAU GALLE RIVER
0.1M W JCT CTH O, Pepin, WI
Built 1979 Load: 29.2 t ADT: 897
STH 72
FairOver: LOST CREEK
1.6M E JCT USH 63 TO N, Pierce, WI
Built 1956 Load: 29.2 t ADT: 1,200
LRD 570TH AVE
FairOver: RUSH RIVER
0.9M W JCT CTH BB, Pierce, WI
Built 1978 Load: 29.2 t ADT: 87
STH 65
FairOver: SOO LINE
0.8M N JCT CTH K, Polk, WI
Built 1960 Load: 29.2 t ADT: 1,700
CTH A
FairOver: BR WILLOW RIVER
0.4M W JCT CTH PP, Polk, WI
Built 1979 Load: 29.2 t ADT: 1,519
LRD EVERGREEN AVE
FairOver: TRADE RIVER
5.3M W JCT STH 87, Polk, WI
Built 1985 Load: 29.2 t ADT: 189
IH USH 51 -IH 39 N
FairOver: FOURMILE CREEK
3.4M N JCT CTH W, Portage, WI
Built 1962 Load: 29.2 t ADT: 14,600
IH USH51-IH39 NB
FairOver: FV&W RR
2.0M N JCT STH 54 TO E, Portage, WI
Built 1969 Load: 29.2 t ADT: 11,050
STH 66-MAIN ST.
FairOver: PLOVER RIVER
0.4M E JCT CTH YY, Portage, WI
Built 1926 Load: 29.2 t ADT: 19,200
IH USH51-IH39SB
FairOver: DUCK CREEK
6.7M S JCT STH 54 TO E, Portage, WI
Built 1979 Load: 29.2 t ADT: 13,000
IH USH51-IH39(SB)
FairOver: FOURMILE CREEK
5.3M S JCT STH 54 TO E, Portage, WI
Built 1979 Load: 29.2 t ADT: 14,600
IH USH51-IH39 (SB)
FairOver: DITCH NO. 8
4.2M S JCT STH 54 TO E, Portage, WI
Built 1978 Load: 29.2 t ADT: 14,600
Showing 4,851-4,900 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 |