US Bridges

IH 41 NB over Cth O (north Street)

Good

Winnebago County, Wisconsin · 1.3M N JCT Sth 114 to E · Structure no. B70012800000000

Built
1994
31 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
137 ft
3 main spans
Daily traffic
44,050
2021 count
Owner
State
State Highway Agency

About this bridge

IH 41 NB over Cth O (north Street) is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 41 NB over Cth O (north Street) in Winnebago County, Wisconsin. It was built in 1994, so it is 31 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 44,050 vehicles a day, roughly 10% of them trucks, projected to reach 55,100 by 2042. The structure is 137 ft (41.7 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 41 NB
CrossesCth O (north Street)
Location1.3M N JCT Sth 114 to E
RouteInterstate 41
Coordinates44.19243, -88.48701
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
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 rating86.4 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length137 ft (41.7 m)
Longest span69 ft (21.1 m)
Deck width59 ft (18.1 m)
Roadway width56 ft (17.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,050 (2021)
Projected traffic55,100 by 2042
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 41 NB over Cth O (north Street) built?

It was built in 1994, making it 31 years old in 2025.

What condition is IH 41 NB over Cth O (north Street) 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 NB over Cth O (north Street) carry?

About 44,050 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is IH 41 NB over Cth O (north Street)?

The structure is 137 ft (41.7 m) long with a longest span of 69 ft (21.1 m) and a deck 59 ft wide.

Who owns IH 41 NB over Cth O (north Street)?

It is owned by the State Highway Agency.