St. Croix County, WI

308 public highway bridges

St. Croix County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, St. Croix County, Wisconsin contains 308 public highway bridges. Roughly 53.2% are rated “Good,” 24% “Fair,” and 2.6% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

308
Total Bridges
53.2%
Good
24%
Fair
2.6%
Poor Condition

Condition Distribution

Good
53.2% (164)
Fair
24% (74)
Poor
2.6% (8)

All Bridges (308)

LRD RUSTIC RD #4

Fair

Over: BEAVER CREEK

0.5M W JCT CTH W, St. Croix, WI

Built 1960 Load: 27.5 t ADT: 60

LRD 10TH AVE

Fair

Over: FRENCH CREEK

1.1M W JCT CTH B, St. Croix, WI

Built 1962 Load: 27.5 t ADT: 110

CTH K

Fair

Over: WILLOW RIVER

1.3M E JCT STH 65, St. Croix, WI

Built 1964 Load: 29.2 t ADT: 3,000

STH 65

Fair

Over: BR KINNICKINNIC RIVER

0.1M N JCT STH 35, St. Croix, WI

Built 1967 Load: 29.2 t ADT: 4,600

LRD RUSTIC RD #3

Fair

Over: BEAVER CREEK

1.3M N JCT CTH E, St. Croix, WI

Built 1977 Load: 29.2 t ADT: 269

STH 29

Fair

Over: CADY CREEK

1.2M E JCT STH 128 TO N, St. Croix, WI

Built 1979 Load: 32.4 t ADT: 1,600

USH 12

Fair

Over: EAU GALLE RIVER

2.5M E JCT CTH B, St. Croix, WI

Built 1987 Load: 32.4 t ADT: 1,700

LRD 140TH AVE

Fair

Over: DRAINAGE WAY

1.1M E JCT STH 65, St. Croix, WI

Built 1994 Load: 32.4 t ADT: 301

CTH T

Fair

Over: WILLOW RIVER

2.8M N JCT CTH G, St. Croix, WI

Built 1976 Load: 34.0 t ADT: 2,000

STH 64-STH 65-KNOW

Fair

Over: WILLOW RIVER

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

Built 1924 Load: 34.0 t ADT: 19,790

LRD SEVENTH ST (DE

Fair

Over: UNION PACIFIC RR

0.4M E JCT STH 35, St. Croix, WI

Built 1987 Load: 34.0 t ADT: 865

CTH D

Fair

Over: CARR CREEK

0.8M N JCT USH 12, St. Croix, WI

Built 1994 Load: 34.0 t ADT: 1,100

STH 46

Fair

Over: WILLOW RIVER

1.5M N JCT STH 64, St. Croix, WI

Built 2000 Load: 34.0 t ADT: 4,100

CTH T

Fair

Over: KINNICKINNIC RIVER

1.7M S JCT CTH G, St. Croix, WI

Built 1974 Load: 34.0 t ADT: 2,000

USH 63

Fair

Over: S FK WILLOW RIVER

0.8M N JCT CTH S, St. Croix, WI

Built 1986 Load: 35.6 t ADT: 4,300

CTH N

Fair

Over: BR RUSH RIVER

0.6M E JCT USH 63, St. Croix, WI

Built 1987 Load: 35.6 t ADT: 812

LRD 60TH AVE

Fair

Over: RUSH RIVER - DRY STREAMB

0.9 MI W USH 63, St. Croix, WI

Built 1980 Load: 36.0 t ADT: 300

STH EB STH 64

Fair

Over: APPLE RIVER

AT APPLE RIVER, St. Croix, WI

Built 2005 Load: 37.3 t ADT: 7,850

STH SB STH 35/64

Fair

Over: APPLE RIVER

AT APPLE RIVER, St. Croix, WI

Built 2005 Load: 37.3 t ADT: 7,850

USH 63

Fair

Over: WILLOW RIVER

2.1M N JCT STH 64 TO E, St. Croix, WI

Built 1936 Load: 37.3 t ADT: 4,800

CTH A

Fair

Over: CN RAILROAD

0.1M EAST OF JCT STH 64, St. Croix, WI

Built 1977 Load: 38.9 t ADT: 6,148

USH 63

Fair

Over: BR RUSH RIVER

1.2M N JCT IH 94 TO E, St. Croix, WI

Built 1939 Load: 38.9 t ADT: 11,300

CTH A

Fair

Over: WILLOW RIVER

1.5M EAST OF STH 64, St. Croix, WI

Built 1982 Load: 40.5 t ADT: 6,656

LRD 4TH AVE

Fair

Over: BRANCH RUSH RIVER

.6M EAST OF STH 63, St. Croix, WI

Built 2005 Load: 40.5 t ADT: 220

USH 63

Fair

Over: RUSH RIVER

1.0M N JCT USH 12 TO W, St. Croix, WI

Built 1939 Load: 40.5 t ADT: 6,600

STH 65

Fair

Over: CNW RR

1.9M N JCT IH 94 TO E, St. Croix, WI

Built 1990 Load: 42.1 t ADT: 7,900

USH 12

Fair

Over: WILSON CREEK

2.4M E JCT STH 128, St. Croix, WI

Built 1996 Load: 42.1 t ADT: 1,600

LRD 220TH STREET

Fair

Over: BR RUSH RIVER

0.1M S JCT USH 12, St. Croix, WI

Built 1991 Load: 42.1 t ADT: 168

LRD DUNN - ST CROI

Fair

Over: SANDY CREEK

0.6M N JCT STH 170, St. Croix, WI

Built 1971 Load: 42.1 t ADT: 310

LRD SANDY CREEK RD

Fair

Over: SANDY CREEK

1.3M S JCT CTH X, St. Croix, WI

Built 1986 Load: 42.1 t ADT: 170

LRD 130TH AVE

Fair

Over: CARR CREEK

2.0M E JCT USH 63, St. Croix, WI

Built 1987 Load: 42.1 t ADT: 175

CTH N

Fair

Over: RUSH RIVER

0.1M W JCT USH 63, St. Croix, WI

Built 1990 Load: 45.4 t ADT: 812

CTH J

Fair

Over: S BR KINNICKINNIC RIVER

2.2M W JCT CTH T, St. Croix, WI

Built 1963 Load: 47.0 t ADT: 328

CTH B

Fair

Over: FRENCH CREEK

2.4M S JCT CTH N, St. Croix, WI

Built 1979 Load: 47.0 t ADT: 1,300

IH 94 WB

Fair

Over: EAU GALLE RIVER

2.7M W JCT STH 128 TO N, St. Croix, WI

Built 1958 Load: 48.6 t ADT: 17,800

STH 64

Fair

Over: BR WILLOW RIVER

3.6M E JCT STH 65 TO N, St. Croix, WI

Built 1941 Load: 50.2 t ADT: 8,200

LRD QUARRY RD

Good

Over: KINNICKINNIC RIVER

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

Built 1976 Load: 16.2 t ADT: 270

LRD 220TH ST

Good

Over: DRY RUN CREEK

0.5M S JCT CTH G, St. Croix, WI

Built 1929 Load: 17.8 t ADT: 93

LRD BOSTON RD (DEA

Good

Over: FRENCH CREEK

0.7M E JCT CTH B, St. Croix, WI

Built 1983 Load: 19.4 t ADT: 30

LRD 10TH AVE

Good

Over: FRENCH CREEK

0.9M W JCT CTH B, St. Croix, WI

Built 1950 Load: 19.4 t ADT: 110

CTH TT

Good

Over: KINNICKINNIC RIVER

2.3M E JCT STH 65, St. Croix, WI

Built 1939 Load: 19.4 t ADT: 1,688

LRD 210TH AVE

Good

Over: WILLOW RIVER

0.3M E JCT STH 46, St. Croix, WI

Built 1970 Load: 21.1 t ADT: 110

LRD BRIDGE ROAD

Good

Over: CNW RR

0.1M S JCT USH 12, St. Croix, WI

Built 1971 Load: 21.1 t ADT: 250

LRD 250TH ST

Good

Over: UNIONPACIFIC RR

0.3M S JCT USH 12, St. Croix, WI

Built 1970 Load: 21.1 t ADT: 372

LRD 250TH ST

Good

Over: FRENCH CREEK

2.4M S JCT CTH N, St. Croix, WI

Built 1966 Load: 21.1 t ADT: 150

LRD 18TH AVE

Good

Over: RUSH RIVER

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

Built 1964 Load: 22.7 t ADT: 120

CTH W

Good

Over: BR KINNICKINNIC RIVER

0.9M S JCT CTH J, St. Croix, WI

Built 1965 Load: 22.7 t ADT: 170

LRD 42ND AVE

Good

Over: BR EAU GALLE RIVER

0.8M W JCT CTH B, St. Croix, WI

Built 1927 Load: 22.7 t ADT: 58

CTH NN

Good

Over: LOUSY CREEK

2.3M S JCT CTH N, St. Croix, WI

Built 1982 Load: 24.3 t ADT: 132

LRD 200TH ST.

Good

Over: WILLOW RIVER

1.0M N JCT STH 64, St. Croix, WI

Built 1986 Load: 24.3 t ADT: 115

Read our methodology - how this data is sourced, computed, and verified.

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Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

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.