US Bridges

Cth Kk over Black Cr.

Fair

Marathon County, Wisconsin · 200 E. School Forest Rd. · Structure no. B37049100000000

Built
2023
2 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
2,705
2024 count
Owner
County
County Highway Agency

About this bridge

Cth Kk over Black Cr. is a concrete culvert carrying Cth Kk over Black Cr. in Marathon County, Wisconsin. It was built in 2023, so it is 2 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 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 2,705 vehicles a day, projected to reach 2,705 by 2043. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 25.5 mi (41 km).

Location

Open in Google Maps
CarriesCth Kk
CrossesBlack Cr.
Location200 E. School Forest Rd.
RouteCounty Highway 0
CountyMarathon County
StateWisconsin
Coordinates44.85111, -89.67472
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length23 ft (6.9 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,705 (2024)
Projected traffic2,705 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed25.5 mi (41 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 Black Cr. built?

It was built in 2023, making it 2 years old in 2025.

What condition is Cth Kk over Black Cr. 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 2024.

How much traffic does Cth Kk over Black Cr. carry?

About 2,705 vehicles per day (2024 count).

How long is Cth Kk over Black Cr.?

The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.4 m).

Who owns Cth Kk over Black Cr.?

It is owned by the County Highway Agency.