US Bridges

IH 41 SB over Sth 76

Good

Winnebago County, Wisconsin · 6.7M S JCT Sth 114 to E · Structure no. B70017600000000

Built
1995
30 years old, rebuilt 2011
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
238 ft
2 main spans
Daily traffic
29,950
2023 count
Owner
State
State Highway Agency

About this bridge

IH 41 SB over Sth 76 is a steel continuous stringer/multi-beam or girder carrying IH 41 SB over Sth 76 in Winnebago County, Wisconsin. It was built in 1995 and reconstructed in 2011, so it is 30 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 29,950 vehicles a day, roughly 9% of them trucks, projected to reach 92,510 by 2042. The structure is 238 ft (72.4 m) long and 63 ft wide.

CarriesIH 41 SB
CrossesSth 76
Location6.7M S JCT Sth 114 to E
RouteInterstate 41
Coordinates44.0973, -88.54303
Functional classRural 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.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.8 US tons
Inventory rating46.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length238 ft (72.4 m)
Longest span115 ft (35.2 m)
Deck width63 ft (19.1 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,950 (2023)
Projected traffic92,510 by 2042
Trucks9%
Lanes on structure3
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 41 SB over Sth 76 built?

It was built in 1995, making it 30 years old in 2025. It was reconstructed in 2011.

What condition is IH 41 SB over Sth 76 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 SB over Sth 76 carry?

About 29,950 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is IH 41 SB over Sth 76?

The structure is 238 ft (72.4 m) long with a longest span of 115 ft (35.2 m) and a deck 63 ft wide.

Who owns IH 41 SB over Sth 76?

It is owned by the State Highway Agency.