US Bridges

IH Ramp IH 41 S-St over Sth 172 WB

Fair

Brown County, Wisconsin · At JCT Ush 41-STH 172 · Structure no. B05014300000000

Built
1974
51 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
201 ft
3 main spans
Daily traffic
14,600
2024 count
Owner
State
State Highway Agency

About this bridge

IH Ramp IH 41 S-St over Sth 172 WB is a steel continuous stringer/multi-beam or girder carrying IH Ramp IH 41 S-St over Sth 172 WB in Brown County, Wisconsin. It was built in 1974, so it is 51 years old, older 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 14,600 vehicles a day, roughly 3% of them trucks, projected to reach 37,580 by 2043. The structure is 201 ft (61.4 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH Ramp IH 41 S-St
CrossesSth 172 WB
LocationAt JCT Ush 41-STH 172
RouteInterstate 41
Coordinates44.48695, -88.08406
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length201 ft (61.4 m)
Longest span108 ft (32.8 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,600 (2024)
Projected traffic37,580 by 2043
Trucks3%
Lanes on structure2
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH Ramp IH 41 S-St over Sth 172 WB built?

It was built in 1974, making it 51 years old in 2025.

What condition is IH Ramp IH 41 S-St over Sth 172 WB 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 March 2024.

How much traffic does IH Ramp IH 41 S-St over Sth 172 WB carry?

About 14,600 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is IH Ramp IH 41 S-St over Sth 172 WB?

The structure is 201 ft (61.4 m) long with a longest span of 108 ft (32.8 m) and a deck 48 ft wide.

Who owns IH Ramp IH 41 S-St over Sth 172 WB?

It is owned by the State Highway Agency.