US Bridges

IH 94 WB over Cth Nn

Good

St. Croix County, Wisconsin · 2.2M W JCT Sth 128 to N · Structure no. B55027000000000

Built
2022
3 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
136 ft
3 main spans
Daily traffic
17,800
2022 count
Owner
State
State Highway Agency

About this bridge

IH 94 WB over Cth Nn is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 94 WB over Cth Nn in St. Croix County, Wisconsin. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,800 vehicles a day, projected to reach 21,150 by 2042. The structure is 136 ft (41.6 m) long and 63 ft wide.

CarriesIH 94 WB
CrossesCth Nn
Location2.2M W JCT Sth 128 to N
RouteInterstate 94
Coordinates44.93374, -92.23776
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length136 ft (41.6 m)
Longest span62 ft (18.9 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,800 (2022)
Projected traffic21,150 by 2042
Trucks0%
Lanes on structure2
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 94 WB over Cth Nn built?

It was built in 2022, making it 3 years old in 2025.

What condition is IH 94 WB over Cth Nn 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 2024.

How much traffic does IH 94 WB over Cth Nn carry?

About 17,800 vehicles per day (2022 count).

How long is IH 94 WB over Cth Nn?

The structure is 136 ft (41.6 m) long with a longest span of 62 ft (18.9 m) and a deck 63 ft wide.

Who owns IH 94 WB over Cth Nn?

It is owned by the State Highway Agency.