Dane County, WI

624 public highway bridges

Dane County Bridge Snapshot

Dane County, Wisconsin contains 624 public highway bridges in the FHWA National Bridge Inventory. Roughly 30% are rated “Good,” 22.9% “Fair,” 5.6% “Poor,” and 5.6% 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.

624

Total Bridges

30%

Good

5.6%

Poor

5.6%

Structurally Deficient

Condition Distribution

Good

30% (187)

Fair

22.9% (143)

Poor

5.6% (35)

SD

5.6% (35)

All Bridges (624)

Sort:

IH 94 WB

Over: LRD GASTON ROAD

0.3M S JCT CTH T, Dane, WI

Built 2011 ADT: 2,100

IH 94 EB

Over: CTH N

AT IH94, Dane, WI

Built 2012 ADT: 14,600

IH 94 WB

Over: LRD CTH N

0.1M S JCT CTH TT, Dane, WI

Built 2011 ADT: 14,900

CTH C/REINER ROAD

Over: USH 151 NB

1.2M N XING OF AMERICAN, Dane, WI

Built 2005 ADT: 30,600

CTH V

Over: IH 90/94

TOWN OF VIENNA, Dane, WI

Built 2002 ADT: 58,000

ICE AGE TRAIL

Over: USH 12 E/W

5.9M E OF JCT STH 188, Dane, WI

Built 2003 ADT: 12,350

USH 12 EB

Over: USH PARMENTER STREET

AT USH12, Dane, WI

Built 2005 ADT: 4,800

USH 12 WB

Over: LRD PARMENTER STREET

AT USH12, Dane, WI

Built 2005 ADT: 4,800

USH 12 EB

Over: LRD SCHNEIDER RD

AT USH12, Dane, WI

Built 2005 ADT: 100

USH 12 WB

Over: LRD SCHNEIDER RD

AT USH12, Dane, WI

Built 2006 ADT: 100

USH 12 EB

Over: LRD AIRPORT RD

AT USH12, Dane, WI

Built 2005 ADT: 15,000

USH 12 WB

Over: LRD AIRPORT RD

AT USH12, Dane, WI

Built 2005 ADT: 15,000

USH 12 EB

Over: LRD DISCOVERY DRIVE

AT USH12, Dane, WI

Built 2005 ADT: 6,300

USH 12 WB

Over: LRD DISCOVERY DRIVE

AT USH12, Dane, WI

Built 2005 ADT: 6,300

USH 12WB - ON RAMP

Over: USH 12WB OFF RAMP

AT USH12, Dane, WI

Built 2005 ADT: 5,700

LRD AGRICULTURAL D

Over: USH 12/18

1.3M E JCT USH 51 (A), Dane, WI

Built 2005 ADT: 86,700

LRD HANSON RD

Over: IH 39/90/94

AT PORTAGE RD, Dane, WI

Built 2008 ADT: 72,200

IH 39 SB

Over: LRD LIEN RD

AT INTERSECTION, Dane, WI

Built 2010 ADT: 4,700

IH 39 NB

Over: LRD LIEN RD

AT INTERSECTION, Dane, WI

Built 2010 ADT: 4,700

LRD BUCKEYE RD

Over: IH 39/90

AT BUCKEYE RD, Dane, WI

Built 2008 ADT: 48,700

IH 94 EB

Over: LRD (FUTURE) MILWAUKEE S

AT IH94, Dane, WI

USH 12 EB

Over: USH 14

AT USH12, Dane, WI

Built 2004 ADT: 16,700

USH 12 WB

Over: USH 14 EB

AT USH12, Dane, WI

Built 2005 ADT: 16,700

LRD S. HIGH POINT

Over: USH 12 / USH 14

AT HIGH POINT ROAD, 1.0 M, Dane, WI

Built 2017 ADT: 61,700

LRD RAMP W-4

Over: USH 18/151

AT RAMP W-4, Dane, WI

Built 2004 ADT: 26,700

SW BIKE/PEDESTRIAN

Over: LRD PARK ST

SW BIKE PATH, Dane, WI

Built 2005 ADT: 20,950

USH 51 NB

Over: LRD BEAR TREE PARKWAY

AT USH 51, Dane, WI

Built 2013 ADT: 1

USH 51 SB

Over: LRD BEAR TREE PARKWAY

3.4 MI. S OF CTH V TO W, Dane, WI

Built 2013 ADT: 1

USH 51 NB

Over: LRD WINDSOR RD

AT USH 51, Dane, WI

Built 2013 ADT: 3,700

USH 51 SB

Over: LRD WINDSOR ROAD

AT 51, Dane, WI

Built 2013 ADT: 3,700

USH 51 NB

Over: LRD VINBURN RD

AT USH 51, Dane, WI

Built 2013 ADT: 4,100

USH 51 SB

Over: LRD VINBURN RD

AT USH 51, Dane, WI

Built 2013 ADT: 4,100

USH 51 NB

Over: CTH V

AT USH 51 NB, Dane, WI

Built 2014 ADT: 7,900

USH 51 SB

Over: CTH V

AT USH 51, Dane, WI

Built 2014 ADT: 7,900

STARKWEATHER CR BI

Over: USH 151

AT STARKWEATHER CREEK BK, Dane, WI

Built 2007 ADT: 47,150

STARKWEATHER CREEK

Over: LRD ABERG AVENUE

AT INTERSECTION, Dane, WI

Built 2011 ADT: 32,650

USH 151

Over: STH 30 EB

AT USH 151, Dane, WI

Built 2009 ADT: 37,300

LRD LACY RD

Over: USH 14

AT LACY ROAD, Dane, WI

Built 2012 ADT: 27,200

PEDESTRIAN

Over: USH 12

AT INTERSECTION, Dane, WI

Built 2010 ADT: 122,400

CAPITAL CITY TRAIL

Over: CTH D

AT JCT PED BRIDGE, Dane, WI

Built 2009 ADT: 99

USH 51 SB (STOUGHT

Over: CTH BB (COTTAGE GROVE RD

AT UHS 51, Dane, WI

Built 2016 ADT: 26,600

CTH I

Over: IH 39 NB

AT CTH I, Dane, WI

Built 2013 ADT: 29,000

CTH DM

Over: IH 39/90/94

2 MI N OF JCT WITH CTH V, Dane, WI

Built 2017 ADT: 58,000

USH 18WB/151SB, VE

Over: LRD FRONTAGE RD E & W

AT VERONA RD, Dane, WI

Built 2014 ADT: 16,700

USH 18EB/151NB, VE

Over: LRD FRONTAGE RD E & W

AT VERONA RD, Dane, WI

Built 2014 ADT: 16,700

USH EB USH 12/14

Over: USH 18/151 & VERONA RD

2.7M S JCT CTH MS, Dane, WI

Built 2015 ADT: 67,100

USH 12 WB

Over: USH 18 (VERONA RD)

1.8M N JCT CTH PD, Dane, WI

Built 2016 ADT: 67,100

WHENONA DR PED BRI

Over: USH 12/14/18/151 & W BEL

0.6M E JCT USH 18, Dane, WI

Built 2015 ADT: 119,000

CTH M

Over: CTH S

AT CTH M, Dane, WI

Built 2014 ADT: 20,300

USH 51 SB EXIT RAM

Over: CTH BB & RAILROAD

AT JCT USH 51, Dane, WI

Built 2015 ADT: 7,100

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

Reviewed byPlainbridges Editorial, Plain Bridges Editorial Team · June 6, 2026