US Bridges

IH 94 WB over Cth B

FairPosted for load

Jackson County, Wisconsin · 6.5M W JCT Sth 121 to E · Structure no. B27003800000000

Built
1966
59 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
12,350
2021 count
Owner
State
State Highway Agency

About this bridge

IH 94 WB over Cth B is a concrete continuous slab carrying IH 94 WB over Cth B in Jackson County, Wisconsin. It was built in 1966, so it is 59 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 12,350 vehicles a day, roughly 16% of them trucks, projected to reach 14,820 by 2041. The structure is 113 ft (34.5 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 94 WB
CrossesCth B
Location6.5M W JCT Sth 121 to E
RouteInterstate 94
Coordinates44.53516, -91.15484
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length113 ft (34.5 m)
Longest span46 ft (14 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,350 (2021)
Projected traffic14,820 by 2041
Trucks16%
Lanes on structure2
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 94 WB over Cth B built?

It was built in 1966, making it 59 years old in 2025.

What condition is IH 94 WB over Cth B 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 November 2023.

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

About 12,350 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is IH 94 WB over Cth B?

The structure is 113 ft (34.5 m) long with a longest span of 46 ft (14 m) and a deck 42 ft wide.

Who owns IH 94 WB over Cth B?

It is owned by the State Highway Agency.