US Bridges

IH 43 NB over Lrd University Ave

Good

Brown County, Wisconsin · 0.1M N JCT Sth 54 to E · Structure no. B05020900000000

Built
1979
46 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
155 ft
3 main spans
Daily traffic
18,200
2024 count
Owner
State
State Highway Agency

About this bridge

IH 43 NB over Lrd University Ave is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 43 NB over Lrd University 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 18,200 vehicles a day, roughly 22% of them trucks, projected to reach 40,000 by 2043. The structure is 155 ft (47.2 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 43 NB
CrossesLrd University Ave
Location0.1M N JCT Sth 54 to E
RouteInterstate 43
Coordinates44.51587, -87.94744
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating32.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span78 ft (23.9 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,200 (2024)
Projected traffic40,000 by 2043
Trucks22%
Lanes on structure2
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 University Ave built?

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

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

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

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

About 18,200 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is IH 43 NB over Lrd University Ave?

The structure is 155 ft (47.2 m) long with a longest span of 78 ft (23.9 m) and a deck 43 ft wide.

Who owns IH 43 NB over Lrd University Ave?

It is owned by the State Highway Agency.