US Bridges

IH I41 NB Off Ramp over IH I41 NB on Ramp from C

Good

Brown County, Wisconsin · 0.1M N JCT Ush 41 · Structure no. B05012000000000

Built
1975
50 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
3 main spans
Daily traffic
4,200
2022 count
Owner
State
State Highway Agency

About this bridge

IH I41 NB Off Ramp over IH I41 NB on Ramp from C is a steel continuous stringer/multi-beam or girder carrying IH I41 NB Off Ramp over IH I41 NB on Ramp from C in Brown County, Wisconsin. It was built in 1975, so it is 50 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 4,200 vehicles a day, roughly 12% of them trucks, projected to reach 5,040 by 2042. The structure is 183 ft (55.9 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesIH I41 NB Off Ramp
CrossesIH I41 NB on Ramp from C
Location0.1M N JCT Ush 41
RouteInterstate 41
CountyBrown County
StateWisconsin
Coordinates44.45456, -88.08781
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 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 rating62.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length183 ft (55.9 m)
Longest span82 ft (25 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2022)
Projected traffic5,040 by 2042
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH I41 NB Off Ramp over IH I41 NB on Ramp from C built?

It was built in 1975, making it 50 years old in 2025.

What condition is IH I41 NB Off Ramp over IH I41 NB on Ramp from C 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 October 2023.

How much traffic does IH I41 NB Off Ramp over IH I41 NB on Ramp from C carry?

About 4,200 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is IH I41 NB Off Ramp over IH I41 NB on Ramp from C?

The structure is 183 ft (55.9 m) long with a longest span of 82 ft (25 m) and a deck 44 ft wide.

Who owns IH I41 NB Off Ramp over IH I41 NB on Ramp from C?

It is owned by the State Highway Agency.