US Bridges

Cth Kk over Four Mile Creek

Fair

Marathon County, Wisconsin · 3.8M N JCT Cth B · Structure no. P37032500000000

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
1,326
2023 count
Owner
County
County Highway Agency

About this bridge

Cth Kk over Four Mile Creek is a prestressed concrete box beam or girders - multiple carrying Cth Kk over Four Mile Creek in Marathon County, Wisconsin. It was built in 1975, so it is 50 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 1,326 vehicles a day, projected to reach 1,560 by 2039. The structure is 53 ft (16.3 m) long and 30 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

Location

Open in Google Maps
CarriesCth Kk
CrossesFour Mile Creek
Location3.8M N JCT Cth B
RouteCounty Highway 0KK
CountyMarathon County
StateWisconsin
Coordinates44.84378, -89.70567
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 inspectionSeptember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating34 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length53 ft (16.3 m)
Longest span50 ft (15.1 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,326 (2023)
Projected traffic1,560 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed15.5 mi (25 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 Kk over Four Mile Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Cth Kk over Four Mile Creek 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 September 2023.

How much traffic does Cth Kk over Four Mile Creek carry?

About 1,326 vehicles per day (2023 count).

How long is Cth Kk over Four Mile Creek?

The structure is 53 ft (16.3 m) long with a longest span of 50 ft (15.1 m) and a deck 30 ft wide.

Who owns Cth Kk over Four Mile Creek?

It is owned by the County Highway Agency.