US Bridges

IH 43 NB over Lrd Hilo DR

Good

Waukesha County, Wisconsin · 4.8 MI N JCT Sth 83 · Structure no. B67012400000000

Built
1970
55 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
178 ft
3 main spans
Daily traffic
17,400
2022 count
Owner
State
State Highway Agency

About this bridge

IH 43 NB over Lrd Hilo DR is a steel continuous stringer/multi-beam or girder carrying IH 43 NB over Lrd Hilo DR in Waukesha County, Wisconsin. It was built in 1970, so it is 55 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 17,400 vehicles a day, roughly 14% of them trucks, projected to reach 20,880 by 2042. The structure is 178 ft (54.3 m) long and 59 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIH 43 NB
CrossesLrd Hilo DR
Location4.8 MI N JCT Sth 83
RouteInterstate 43
Coordinates42.89751, -88.25828
Functional classRural 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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length178 ft (54.3 m)
Longest span76 ft (23.2 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,400 (2022)
Projected traffic20,880 by 2042
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Hilo DR built?

It was built in 1970, making it 55 years old in 2025.

What condition is IH 43 NB over Lrd Hilo DR 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 July 2023.

How much traffic does IH 43 NB over Lrd Hilo DR carry?

About 17,400 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is IH 43 NB over Lrd Hilo DR?

The structure is 178 ft (54.3 m) long with a longest span of 76 ft (23.2 m) and a deck 59 ft wide.

Who owns IH 43 NB over Lrd Hilo DR?

It is owned by the State Highway Agency.