US Bridges

IH 43 NB over Lrd Danz Ave

Fair

Brown County, Wisconsin · 0.8M N JCT Sth 54 to W · Structure no. B05022000000000

Built
1979
46 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
116 ft
1 main span
Daily traffic
19,200
2024 count
Owner
State
State Highway Agency

About this bridge

IH 43 NB over Lrd Danz Ave is a steel stringer/multi-beam or girder carrying IH 43 NB over Lrd Danz Ave in Brown County, Wisconsin. It was built in 1979, so it is 46 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 19,200 vehicles a day, roughly 22% of them trucks, projected to reach 53,900 by 2043. The structure is 116 ft (35.3 m) long and 55 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 43 NB
CrossesLrd Danz Ave
Location0.8M N JCT Sth 54 to W
RouteInterstate 43
Coordinates44.52022, -87.96732
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length116 ft (35.3 m)
Longest span114 ft (34.7 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,200 (2024)
Projected traffic53,900 by 2043
Trucks22%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 43 NB over Lrd Danz Ave built?

It was built in 1979, making it 46 years old in 2025.

What condition is IH 43 NB over Lrd Danz Ave in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does IH 43 NB over Lrd Danz Ave carry?

About 19,200 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is IH 43 NB over Lrd Danz Ave?

The structure is 116 ft (35.3 m) long with a longest span of 114 ft (34.7 m) and a deck 55 ft wide.

Who owns IH 43 NB over Lrd Danz Ave?

It is owned by the State Highway Agency.