US Bridges

IH 41 NB over Lrd Cth K

Fair

Washington County, Wisconsin · 1.8M N JCT Sth 144 to N · Structure no. B66011400000000

Built
1994
31 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
176 ft
3 main spans
Daily traffic
16,500
2022 count
Owner
State
State Highway Agency

About this bridge

IH 41 NB over Lrd Cth K is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 41 NB over Lrd Cth K in Washington County, Wisconsin. It was built in 1994, so it is 31 years old, younger 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 16,500 vehicles a day, roughly 11% of them trucks, projected to reach 19,800 by 2039. The structure is 176 ft (53.6 m) long and 47 ft wide.

CarriesIH 41 NB
CrossesLrd Cth K
Location1.8M N JCT Sth 144 to N
RouteInterstate 41
Coordinates43.36929, -88.29739
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 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 rating95.3 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length176 ft (53.6 m)
Longest span46 ft (14 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2022)
Projected traffic19,800 by 2039
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 41 NB over Lrd Cth K built?

It was built in 1994, making it 31 years old in 2025.

What condition is IH 41 NB over Lrd Cth K 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 September 2023.

How much traffic does IH 41 NB over Lrd Cth K carry?

About 16,500 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is IH 41 NB over Lrd Cth K?

The structure is 176 ft (53.6 m) long with a longest span of 46 ft (14 m) and a deck 47 ft wide.

Who owns IH 41 NB over Lrd Cth K?

It is owned by the State Highway Agency.