US Bridges

Cth a over IH 94

Fair

Jefferson County, Wisconsin · 0.1M N JCT Cth B · Structure no. B28004100000000

Built
1965
60 years old, rebuilt 2021
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
271 ft
4 main spans
Daily traffic
2,300
2022 count
Owner
State
State Highway Agency

About this bridge

Cth a over IH 94 is a steel continuous stringer/multi-beam or girder carrying Cth a over IH 94 in Jefferson County, Wisconsin. It was built in 1965 and reconstructed in 2021, so it is 60 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 2,300 vehicles a day, projected to reach 2,760 by 2042. The structure is 271 ft (82.7 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCth a
CrossesIH 94
Location0.1M N JCT Cth B
RouteCounty Highway 0A
CountyJefferson County
StateWisconsin
Coordinates43.08848, -88.89609
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating51.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length271 ft (82.7 m)
Longest span92 ft (27.9 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2022)
Projected traffic2,760 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cth a over IH 94 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2021.

What condition is Cth a over 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 December 2023.

How much traffic does Cth a over IH 94 carry?

About 2,300 vehicles per day (2022 count).

How long is Cth a over IH 94?

The structure is 271 ft (82.7 m) long with a longest span of 92 ft (27.9 m) and a deck 39 ft wide.

Who owns Cth a over IH 94?

It is owned by the State Highway Agency.