US Bridges

IH Ramp IH 43 Nb-S over Lrd University Ave

Fair

Brown County, Wisconsin · At JCT IH 43-STH 54-57 · Structure no. B05021000000000

Built
1979
46 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
139 ft
3 main spans
Daily traffic
14,600
2022 count
Owner
State
State Highway Agency

About this bridge

IH Ramp IH 43 Nb-S over Lrd University Ave is a prestressed concrete continuous stringer/multi-beam or girder carrying IH Ramp IH 43 Nb-S 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 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 14,600 vehicles a day, roughly 1% of them trucks, projected to reach 40,400 by 2043. The structure is 139 ft (42.3 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesIH Ramp IH 43 Nb-S
CrossesLrd University Ave
LocationAt JCT IH 43-STH 54-57
RouteInterstate 0
CountyBrown County
StateWisconsin
Coordinates44.51602, -87.94708
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length139 ft (42.3 m)
Longest span75 ft (23 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,600 (2022)
Projected traffic40,400 by 2043
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 Ramp IH 43 Nb-S over Lrd University Ave built?

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

What condition is IH Ramp IH 43 Nb-S over Lrd University 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 Ramp IH 43 Nb-S over Lrd University Ave carry?

About 14,600 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is IH Ramp IH 43 Nb-S over Lrd University Ave?

The structure is 139 ft (42.3 m) long with a longest span of 75 ft (23 m) and a deck 34 ft wide.

Who owns IH Ramp IH 43 Nb-S over Lrd University Ave?

It is owned by the State Highway Agency.