US Bridges

Cth K over Des Plaines River

Fair

Kenosha County, Wisconsin · 0.6M E JCT Cth D · Structure no. B30006900000000

Built
1991
34 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
110 ft
2 main spans
Daily traffic
7,800
2021 count
Owner
County
County Highway Agency

About this bridge

Cth K over Des Plaines River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth K over Des Plaines River in Kenosha County, Wisconsin. It was built in 1991, so it is 34 years old, younger 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.

It carries about 7,800 vehicles a day, projected to reach 9,360 by 2041. The structure is 110 ft (33.5 m) long and 42 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

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CarriesCth K
CrossesDes Plaines River
Location0.6M E JCT Cth D
RouteCounty Highway 0K
CountyKenosha County
StateWisconsin
Coordinates42.58267, -88.02041
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span54 ft (16.5 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2021)
Projected traffic9,360 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth K over Des Plaines River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Cth K over Des Plaines River 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 March 2024.

How much traffic does Cth K over Des Plaines River carry?

About 7,800 vehicles per day (2021 count).

How long is Cth K over Des Plaines River?

The structure is 110 ft (33.5 m) long with a longest span of 54 ft (16.5 m) and a deck 42 ft wide.

Who owns Cth K over Des Plaines River?

It is owned by the County Highway Agency.