US Bridges

Cth N over IH 90-IH 94

Fair

Monroe County, Wisconsin · 0.3M N JCT Ush 12 · Structure no. B41003900000000

Built
1963
62 years old, rebuilt 2009
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
230 ft
4 main spans
Daily traffic
6,500
2021 count
Owner
State
State Highway Agency

About this bridge

Cth N over IH 90-IH 94 is a steel continuous stringer/multi-beam or girder carrying Cth N over IH 90-IH 94 in Monroe County, Wisconsin. It was built in 1963 and reconstructed in 2009, so it is 62 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 6,500 vehicles a day, projected to reach 7,800 by 2041. The structure is 230 ft (70.2 m) long and 30 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCth N
CrossesIH 90-IH 94
Location0.3M N JCT Ush 12
RouteCounty Highway 0N
Coordinates43.97149, -90.40337
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length230 ft (70.2 m)
Longest span78 ft (23.8 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2021)
Projected traffic7,800 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

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 Cth N over IH 90-IH 94 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2009.

What condition is Cth N over IH 90-IH 94 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 October 2024.

How much traffic does Cth N over IH 90-IH 94 carry?

About 6,500 vehicles per day (2021 count).

How long is Cth N over IH 90-IH 94?

The structure is 230 ft (70.2 m) long with a longest span of 78 ft (23.8 m) and a deck 30 ft wide.

Who owns Cth N over IH 90-IH 94?

It is owned by the State Highway Agency.