US Bridges

Cth K over Kewaunee River

Fair

Kewaunee County, Wisconsin · 0.2M E JCT Cth a · Structure no. B31001700000000

Built
1976
49 years old
Condition
Fair
inspected June 2024
Type
Channel Beam
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
399
2022 count
Owner
County
County Highway Agency

About this bridge

Cth K over Kewaunee River is a prestressed concrete channel beam carrying Cth K over Kewaunee River in Kewaunee County, Wisconsin. It was built in 1976, so it is 49 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.

It carries about 399 vehicles a day, projected to reach 438 by 2043. The structure is 33 ft (10.1 m) long and 30 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesCth K
CrossesKewaunee River
Location0.2M E JCT Cth a
RouteCounty Highway 0K
CountyKewaunee County
StateWisconsin
Coordinates44.58886, -87.70194
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating32.2 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length33 ft (10.1 m)
Longest span31 ft (9.4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic399 (2022)
Projected traffic438 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Kewaunee River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Cth K over Kewaunee 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 June 2024.

How much traffic does Cth K over Kewaunee River carry?

About 399 vehicles per day (2022 count).

How long is Cth K over Kewaunee River?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 30 ft wide.

Who owns Cth K over Kewaunee River?

It is owned by the County Highway Agency.