Total Bridges
14,851
Public highway bridges in Wisconsin
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
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
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
SC
South Carolina
6.10% top marginal rate
WI
Wisconsin
6.13% top marginal rate
NC
North Carolina
6.16% top marginal rate
HI
Hawaii
6.47% top marginal rate
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
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
PoorOver: UNION PACIFIC RR
1.0M W JCT STH 73, Columbia, WI
Built 1910 Load: 3.2 t ADT: 197
LRD OLD 64 (DEAD E
PoorOver: EVERGREEN CREEK
0.1M N JCT STH 64, Langlade, WI
Built 1916 Load: 3.2 t ADT: 6
LRD CORNELL LANE (
PoorOver: BR COON CREEK
0.1M E JCT USH 14, Vernon, WI
Built 1985 Load: 3.2 t ADT: 10
All Bridges in Wisconsin
UP RR
UnknownOver: STH 100-S 108TH ST
3.8M N JCT USH 45 TO N, Milwaukee, WI
Built 1932 ADT: 39,000
CTH PP - EB GOOD H
UnknownOver: IH 41/USH 45/STH 100
1.1M N JCT STH 175 TO N, Milwaukee, WI
Built 1964 ADT: 125,150
CTH PP - WB GOOD H
UnknownOver: IH 41/USH 45/STH 100
1.1M N JCT STH 175 TO N, Milwaukee, WI
Built 1964 ADT: 124,000
CTH PP EB - W GOOD
UnknownOver: STH 145
3.4M N JCT STH 181 TO N, Milwaukee, WI
Built 1964 ADT: 22,800
CTH PP WB - W GOOD
UnknownOver: STH 145
3.4M N JCT STH 181 TO N, Milwaukee, WI
Built 1964 ADT: 22,800
CTH E/SILVER SPRIN
UnknownOver: STH 145/W FOND DU LAC AV
0.6M N JCT STH 181 TO N, Milwaukee, WI
Built 1964 ADT: 30,600
CTH E-WB SILVER SP
UnknownOver: STH 145
0.6M N JCT STH 181 TO N, Milwaukee, WI
Built 1964 ADT: 27,200
STH 181 SB-N 76TH
UnknownOver: STH 145-W FOND DU LAC AV
2.3M N JCT STH 190, Milwaukee, WI
Built 1964 ADT: 25,300
STH 181 NB-N 76TH
UnknownOver: STH 145-W FOND DU LAC AV
2.3M N JCT STH 190, Milwaukee, WI
Built 1964 ADT: 25,300
CMSTPP RR
UnknownOver: LRD S 6TH ST
2.6M S JCT IH 43, Milwaukee, WI
Built 1966 ADT: 8,600
CMSTPP RR
UnknownOver: LRD W MORGAN AVE
0.5M W JCT STH 38, Milwaukee, WI
Built 1966 ADT: 16,800
IH RAMP IH 94EB-HO
UnknownOver: LRD W HOLT AVE
0.1M W JCT IH 94, Milwaukee, WI
Built 1965 ADT: 22,800
IH 94 EB/43 SB
UnknownOver: LRD W HOLT AVE
0.3M W JCT STH 38, Milwaukee, WI
Built 1965 ADT: 22,800
IH 43 NB/94 WB
UnknownOver: LRD W HOLT AVE
0.3M W JCT STH 38, Milwaukee, WI
Built 1965 ADT: 22,800
IH NORTHBOUND COLL
UnknownOver: LRD W HOLT AVE
0.1M E JCT IH 94, Milwaukee, WI
Built 1966 ADT: 22,800
WARNIMONT AVE PED
UnknownOver: IH 43/94
2.0M N JCT IH 894 TO W, Milwaukee, WI
Built 1964 ADT: 132,000
LRD W HOWARD AVE
UnknownOver: IH 43/94
1.5M N JCT IH 894 TO W, Milwaukee, WI
Built 1963 ADT: 137,000
STH 145 SB-W FOND
UnknownOver: LRD LITTLE MENOMONEE PRK
0.8M N JCT USH 41, Milwaukee, WI
Built 1966 ADT: 200
STH 145 NB-W FOND
UnknownOver: LRD LITTLE MENOMONEE PAR
0.8M N JCT USH 41, Milwaukee, WI
Built 1965 ADT: 200
STH 145 SB-W FOND
UnknownOver: CTH S | W MILL RD
1.3M W JCT STH 181, Milwaukee, WI
Built 1965 ADT: 9,300
STH 145 NB-W FOND
UnknownOver: CTH S | W MILL RD
1.3M W JCT STH 181, Milwaukee, WI
Built 1965 ADT: 9,300
STH 145 SB-W FOND
UnknownOver: LRD N 91ST ST
0.3M S JCT CTH S, Milwaukee, WI
Built 1966 ADT: 17,900
STH 145 NB-W FOND
UnknownOver: LRD N 91ST ST
0.3M S JCT CTH S, Milwaukee, WI
Built 1966 ADT: 17,900
STH 145 SB-W FOND
UnknownOver: LRD FLAGG AVE
0.8M W JCT STH 181, Milwaukee, WI
Built 1966 ADT: 3,700
STH 145 NB-W FOND
UnknownOver: LRD FLAGG AVE
0.8M W JCT STH 181, Milwaukee, WI
Built 1966 ADT: 3,700
LRD W GRANTOSA DR
UnknownOver: STH 145-W FOND DU LAC AV
2.0M N JCT STH 190, Milwaukee, WI
Built 1965 ADT: 29,300
LRD W GRANTOSA DR
UnknownOver: STH 145-W FOND DU LAC AV
2.0M N JCT STH 190, Milwaukee, WI
Built 1965 ADT: 29,300
IH RAMP IH 43 SB/9
UnknownOver: STH WALKER ST RAMPS
AT JCT IH 43/94-STH 59, Milwaukee, WI
Built 1968 ADT: 4,400
IH RAMP IH 43SB/94
UnknownOver: STH 59-NATIONAL AVE
1.3M E JCT USH 41 TO S, Milwaukee, WI
Built 1968 ADT: 11,300
IH RAMP MINERAL ST
UnknownOver: STH WALKER ST RAMPS
AT JCT IH 94-STH 59, Milwaukee, WI
Built 1968 ADT: 4,400
IH RAMP, MINERAL S
UnknownOver: STH 59/NATIONAL AVE
1.4M E JCT USH 41 TO S, Milwaukee, WI
Built 1968 ADT: 9,900
IH 43 SB/IH 94 EB
UnknownOver: STH WALKER ST RAMPS
AT JCT IH 43/94-STH 59, Milwaukee, WI
Built 1968 ADT: 4,400
IH 43 SB/94 EB
UnknownOver: STH 59 (NATIONAL AVE)
1.3M E JCT USH 41 TO S, Milwaukee, WI
Built 1968 ADT: 11,300
IH 94 WB-IH 43 NB
UnknownOver: RAMP WALKER ST-I94
AT JCT IH 94-STH 59, Milwaukee, WI
Built 1968 ADT: 4,400
IH 43 NB/94 WB
UnknownOver: STH 59 (NATIONAL AVE)
1.3M E JCT USH 41 TO S, Milwaukee, WI
Built 1968 ADT: 9,900
IH 94 WB-IH 43 NB
UnknownOver: LRD W PIERCE ST
0.5M W JCT STH 32, Milwaukee, WI
Built 1968 ADT: 2,300
IH 94 EB-IH 43 SB
UnknownOver: LRD W PIERCE ST
0.5M W JCT STH 32, Milwaukee, WI
Built 1968 ADT: 2,300
IH 94 WB-IH 43 NB
UnknownOver: LRD W BRUCE ST
0.5M W JCT STH 32, Milwaukee, WI
Built 1968 ADT: 1,900
IH 94 EB-IH 43 SB
UnknownOver: LRD W BRUCE ST
0.5M W JCT STH 32, Milwaukee, WI
Built 1968 ADT: 1,900
IH 94 WB-IH 43 NB
UnknownOver: LRD CANAL ST
AT JCT WITH IH 94, Milwaukee, WI
Built 1968 ADT: 6,700
IH 43 SB-IH 94 EB
UnknownOver: LRD CANAL ST
AT JCT WITH IH 94, Milwaukee, WI
Built 1968 ADT: 6,700
IH RAMP IH 94 WB-W
UnknownOver: LRD MINERAL ST CONNECTOR
AT JCT WITH IH 94, Milwaukee, WI
Built 1969 ADT: 8,700
IH 94 EB-IH 43 SB
UnknownOver: STH 38- W WASHINGTON
6.3M N JCT CTH ZZ, Milwaukee, WI
Built 1968 ADT: 1,400
IH 94 WB-IH 43 NB
UnknownOver: STH 38-W WASHINGTON
6.3M N JCT CTH ZZ, Milwaukee, WI
Built 1968 ADT: 1,400
IH 94 EB-IH 43 SB
UnknownOver: LRD MINERAL ST CONNECTOR
AT JCT WITH IH 94, Milwaukee, WI
Built 1968 ADT: 4,000
IH 94 WB-IH 43 NB
UnknownOver: LRD MINERAL ST CONNECTOR
AT JCT WITH IH 94, Milwaukee, WI
Built 1968 ADT: 4,000
84TH ST PED BRIDGE
UnknownOver: STH 145-W FOND DU LAC AV
0.9M N JCT STH 181 TO N, Milwaukee, WI
Built 1966 ADT: 26,400
SHERIDAN AVE PED B
UnknownOver: STH 145-W FOND DU LAC AV
0.5M N JCT STH 181 TO N, Milwaukee, WI
Built 1965 ADT: 26,400
USH RAMP, IH 43 SB
UnknownOver: IH 43 NB
6.3M N JCT CTH Y, Milwaukee, WI
Built 1965 ADT: 38,250
STH 100 SB-S 108TH
UnknownOver: IH 43 NB
6.4M N JCT CTH Y, Milwaukee, WI
Built 1965 ADT: 38,250
Showing 1,451-1,500 of 14,851 bridges
Related
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.