Marathon County, WI

534 public highway bridges

Marathon County Bridge Snapshot

Marathon County, Wisconsin contains 534 public highway bridges in the FHWA National Bridge Inventory. Roughly 38% are rated “Good,” 37.3% “Fair,” 10.1% “Poor,” and 10.1% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in WI are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

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

534
Total Bridges
38%
Good
10.1%
Poor
10.1%
Structurally Deficient

Condition Distribution

Good
38% (203)
Fair
37.3% (199)
Poor
10.1% (54)
SD
10.1% (54)

All Bridges (534)

LRD JUNCTION RD

Good

Over: BR BIG SANDY CREEK

1.6M E JCT STH 52, Marathon, WI

Built 2006 Load: 37.3 t ADT: 114

LRD FOREST RD (DEA

Good

Over: LITTLE EAU CLAIRE RIVER

1.4M W JCT STH 153, Marathon, WI

Built 2005 Load: 37.3 t ADT: 60

CTH L

Good

Over: MCGINNIS CREEK

2.8 MILES W JCT CTH S, Marathon, WI

Built 2009 Load: 37.3 t ADT: 641

CTH O

Good

Over: HOG CREEK

0.3M S JCT STH 153, Marathon, WI

Built 2016 Load: 37.3 t ADT: 1,200

CTH N

Good

Over: LITTLE SANDY CREEK

0.2M E JCT CTH J, Marathon, WI

Built 2018 Load: 37.9 t ADT: 1,900

LRD HIGHLAND DR

Good

Over: ARTUS CREEK

1.1M E JCT STH 107, Marathon, WI

Built 2023 Load: 37.9 t ADT: 110

CTH H

Good

Over: WILLOW CREEK

1.8M N JCT CTH A, Marathon, WI

Built 2023 Load: 37.9 t ADT: 950

CTH Y NB & SB

Good

Over: BR EAU CLAIRE RIVER

0.2M S JCT CTH G, Marathon, WI

Built 2015 Load: 38.2 t ADT: 150

CTH A

Good

Over: BR LITTLE RIB RIVER

0.9M W JCT CTH O, Marathon, WI

Built 2010 Load: 38.6 t ADT: 994

CTH M

Good

Over: WILD CREEK

1.4M S JCT CTH C, Marathon, WI

Built 1990 Load: 38.9 t ADT: 1,620

LRD KRAUS ST

Good

Over: WILD CREEK

0.4M W JCT CTH M, Marathon, WI

Built 1982 Load: 38.9 t ADT: 110

LRD MITCHELL LANE

Good

Over: N FK LITTLE RIB RIVER

0.3M S JCT CTH A, Marathon, WI

Built 1991 Load: 38.9 t ADT: 50

LRD OWL RIDGE RD

Good

Over: PRAHL CREEK

1.3M W JCT CTH J, Marathon, WI

Built 1991 Load: 38.9 t ADT: 40

LRD BEANS EDDY RD

Good

Over: HOG CREEK

2.0M S JCT STH 153, Marathon, WI

Built 1995 Load: 38.9 t ADT: 55

LRD GUENTHER RD

Good

Over: LITTLE EAU CLAIRE RIVER

1.4M N JCT CTH C, Marathon, WI

Built 1997 Load: 38.9 t ADT: 30

LRD SANDY CREEK RD

Good

Over: LITTLE EAU CLAIRE RIVER

1.4M E JCT CTH X, Marathon, WI

Built 2000 Load: 38.9 t ADT: 110

LRD FAIRVIEW RD

Good

Over: FENWOOD CREEK

1.2M E JCT CTH M, Marathon, WI

Built 1998 Load: 38.9 t ADT: 251

STH 153

Good

Over: BIG EAU PLEINE RIVER

0.6M E JCT CTH M, Marathon, WI

Built 2001 Load: 38.9 t ADT: 3,000

STH 52

Good

Over: W BR BIG SANDY CR

1.2M E JCT CTH J TO N, Marathon, WI

Built 2002 Load: 38.9 t ADT: 2,400

STH 153

Good

Over: LITTLE EAU PLEINE RIVER

2.2M E JCT STH 13, Marathon, WI

Built 2004 Load: 38.9 t ADT: 1,000

LRD DAY AVE

Good

Over: SCHEUR CREEK

1.3M E JCT CTH T, Marathon, WI

Built 2004 Load: 38.9 t ADT: 110

LRD JUNCTION RD

Good

Over: BR BIG SANDY CREEK

0.4M W JCT CTH Q, Marathon, WI

Built 2006 Load: 38.9 t ADT: 115

CTH L

Good

Over: STONEY CREEK

0.8M N JCT CTH H, Marathon, WI

Built 2009 Load: 38.9 t ADT: 478

LRD STAADT AVE

Good

Over: LITTLE EAU PLEINE RIVER

1.7M NJCT STH 97, Marathon, WI

Built 2021 Load: 38.9 t ADT: 115

LRD EMMET RD (DEAD

Good

Over: BR FREEMAN CREEK

0.1M N JCT STH 153, Marathon, WI

Built 1958 Load: 38.9 t ADT: 30

LRD CTH X/CAMP PHI

Good

Over: EAU CLAIRE RIVER

1.3M S JCT CTH N, Marathon, WI

Built 2011 Load: 39.2 t ADT: 9,738

CTH Z

Good

Over: EAU CLAIRE RIVER

0.7M W JCT CTH Y, Marathon, WI

Built 2019 Load: 39.2 t ADT: 1,270

CTH Y

Good

Over: PLOVER RIVER

1.0M N JCT STH 29, Marathon, WI

Built 2020 Load: 39.2 t ADT: 911

LRD STETTIN DR

Good

Over: ARTUS CREEK

1.0M E JCT STH 107, Marathon, WI

Built 2023 Load: 39.9 t ADT: 310

STH 29 WB

Good

Over: PLOVER RIVER

0.05M W JCT CTH Y, Marathon, WI

Built 1959 Load: 40.5 t ADT: 13,000

LRD BOUNDRY RD

Good

Over: PLOVER RIVER

0.3M W JCT CTH Y, Marathon, WI

Built 1983 Load: 40.5 t ADT: 95

LRD TOWN HALL LANE

Good

Over: LITTLE EAU PLEINE RIVER

1.8M E JCT STH 13, Marathon, WI

Built 1991 Load: 40.5 t ADT: 84

LRD MOUNTAIN DR (D

Good

Over: LITTLE WOLF RIVER

0.1M E JCT STH 49, Marathon, WI

Built 1991 Load: 40.5 t ADT: 30

LRD COUNTY LINE RD

Good

Over: BR LT EAU PLEINE RIVER

0.9M E JCT CTH M, Marathon, WI

Built 1992 Load: 40.5 t ADT: 25

LRD RAINBOW DR

Good

Over: MCGINNIS CREEK

1.6M W JCT CTH S, Marathon, WI

Built 1993 Load: 40.5 t ADT: 62

LRD EAU PLEINE ST

Good

Over: CARLSON CREEK

1.4M JCT CTH F, Marathon, WI

Built 1997 Load: 40.5 t ADT: 31

STH 29 EB

Good

Over: PET BROOK

0.6M E JCT CTH H, Marathon, WI

Built 1999 Load: 40.5 t ADT: 8,700

LRD HUCKELBERRY RO

Good

Over: BR DILL CREEK

0.7M E JCT STH 13, Marathon, WI

Built 2000 Load: 40.5 t ADT: 391

STH 153

Good

Over: TRIB TO FREEMAN CR

0.6M E JCT CTH S, Marathon, WI

Built 2001 Load: 40.5 t ADT: 3,600

STH 52

Good

Over: EAU CLAIRE RIVER

0.1M E JCT CTH Y TO N, Marathon, WI

Built 2002 Load: 40.5 t ADT: 1,700

LRD 16TH RD

Good

Over: JOHNSON CREEK

1.3M S JCT STH 153, Marathon, WI

Built 2002 Load: 40.5 t ADT: 60

CTH F

Good

Over: DILL CREEK

3.6M S JCT CTH N, Marathon, WI

Built 1973 Load: 40.5 t ADT: 645

LRD 10TH ST

Good

Over: JIM MOORE CREEK

1.1M N JCT STH 52, Marathon, WI

Built 1976 Load: 40.5 t ADT: 2,211

LRD BLACKBERRY RD

Good

Over: WINDING CREEK

2.5M W JCT CTH F, Marathon, WI

Built 2011 Load: 41.8 t ADT: 123

CTH U

Good

Over: OTTO CREEK

2.6M E JCT CTH O, Marathon, WI

Built 2003 Load: 42.1 t ADT: 2,850

LRD 28TH AVE

Good

Over: SILVER CREEK

1.7M N JCT CTH WW, Marathon, WI

Built 1990 Load: 42.1 t ADT: 60

STH 29 EB

Good

Over: RANDALL CREEK

1.0M E JCT CTH E TO N, Marathon, WI

Built 1998 Load: 42.1 t ADT: 6,000

LRD NOLAN RD

Good

Over: SPRING BROOK

1.4M N JCT STH 52, Marathon, WI

Built 1997 Load: 42.1 t ADT: 25

CTH A

Good

Over: E BR BIG EAU PLEINE RIVE

0.6M W JCT CTH F, Marathon, WI

Built 2006 Load: 42.1 t ADT: 631

CTH U

Good

Over: BR LITTLE RIB RIVER

1.9M E JCT CTH O, Marathon, WI

Built 2007 Load: 42.1 t ADT: 2,850

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

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Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial