US Bridges

IH 41 over Trib Lake Butte Des Mort

Good

Winnebago County, Wisconsin · 0.3M N of Sth 45 · Structure no. B70027400000000

Built
2011
14 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
59,900
2023 count
Owner
State
State Highway Agency

About this bridge

IH 41 over Trib Lake Butte Des Mort is a concrete continuous culvert carrying IH 41 over Trib Lake Butte Des Mort in Winnebago County, Wisconsin. It was built in 2011, so it is 14 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 59,900 vehicles a day, projected to reach 86,100 by 2042. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesIH 41
CrossesTrib Lake Butte Des Mort
Location0.3M N of Sth 45
RouteInterstate 41
Coordinates44.06358, -88.57127
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,900 (2023)
Projected traffic86,100 by 2042
Trucks0%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 41 over Trib Lake Butte Des Mort built?

It was built in 2011, making it 14 years old in 2025.

What condition is IH 41 over Trib Lake Butte Des Mort 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 June 2023.

How much traffic does IH 41 over Trib Lake Butte Des Mort carry?

About 59,900 vehicles per day (2023 count).

How long is IH 41 over Trib Lake Butte Des Mort?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns IH 41 over Trib Lake Butte Des Mort?

It is owned by the State Highway Agency.