US Bridges

IH41 NB over Cth U

Fair

Outagamie County, Wisconsin · 3.2M N JCT Jj · Structure no. B44016000000000

Built
1999
26 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
141 ft
2 main spans
Daily traffic
26,700
2021 count
Owner
State
State Highway Agency

About this bridge

IH41 NB over Cth U is a prestressed concrete continuous stringer/multi-beam or girder carrying IH41 NB over Cth U in Outagamie County, Wisconsin. It was built in 1999, so it is 26 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 26,700 vehicles a day, roughly 10% of them trucks, projected to reach 25,308 by 2042. The structure is 141 ft (43 m) long and 42 ft wide.

CarriesIH41 NB
CrossesCth U
Location3.2M N JCT Jj
RouteInterstate 41
Coordinates44.34913, -88.19331
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length141 ft (43 m)
Longest span68 ft (20.7 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,700 (2021)
Projected traffic25,308 by 2042
Trucks10%
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 IH41 NB over Cth U built?

It was built in 1999, making it 26 years old in 2025.

What condition is IH41 NB over Cth U 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 July 2023.

How much traffic does IH41 NB over Cth U carry?

About 26,700 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is IH41 NB over Cth U?

The structure is 141 ft (43 m) long with a longest span of 68 ft (20.7 m) and a deck 42 ft wide.

Who owns IH41 NB over Cth U?

It is owned by the State Highway Agency.