US Bridges

IH Sth 29 EB to IH over IH 41 NB

Good

Brown County, Wisconsin · IH 41/STH 32 Interchange · Structure no. B05065800000000

Built
2014
11 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
2,117 ft
10 main spans
Daily traffic
3,900
2021 count
Owner
State
State Highway Agency

About this bridge

IH Sth 29 EB to IH over IH 41 NB is a steel continuous box beam or girders - single or spread carrying IH Sth 29 EB to IH over IH 41 NB in Brown County, Wisconsin. It was built in 2014, so it is 11 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 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 3,900 vehicles a day, projected to reach 4,200 by 2042. The structure is 2,117 ft (645.3 m) long and 36 ft wide.

Location

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CarriesIH Sth 29 EB to IH
CrossesIH 41 NB
LocationIH 41/STH 32 Interchange
RouteInterstate 41
CountyBrown County
StateWisconsin
Coordinates44.53995, -88.08155
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 inspectionJune 2023
Inspection intervalevery 48 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 rating47.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHL 93
Structure length2,117 ft (645.3 m)
Longest span250 ft (76.2 m)
Deck width36 ft (10.9 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic3,900 (2021)
Projected traffic4,200 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Sth 29 EB to IH over IH 41 NB built?

It was built in 2014, making it 11 years old in 2025.

What condition is IH Sth 29 EB to IH over IH 41 NB 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 Sth 29 EB to IH over IH 41 NB carry?

About 3,900 vehicles per day (2021 count).

How long is IH Sth 29 EB to IH over IH 41 NB?

The structure is 2,117 ft (645.3 m) long with a longest span of 250 ft (76.2 m) and a deck 36 ft wide.

Who owns IH Sth 29 EB to IH over IH 41 NB?

It is owned by the State Highway Agency.