US Bridges

Cth K over Copper Creek

Fair

Lafayette County, Wisconsin · 6.5M E JCT Sth 23 · Structure no. B33003000000000

Built
1985
40 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
38 ft
1 main span
Daily traffic
373
2022 count
Owner
County
County Highway Agency

About this bridge

Cth K over Copper Creek is a concrete slab carrying Cth K over Copper Creek in Lafayette County, Wisconsin. It was built in 1985, so it is 40 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 373 vehicles a day, projected to reach 410 by 2043. The structure is 38 ft (11.6 m) long and 30 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesCth K
CrossesCopper Creek
Location6.5M E JCT Sth 23
RouteCounty Highway 0K
CountyLafayette County
StateWisconsin
Coordinates42.61128, -90.04772
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic373 (2022)
Projected traffic410 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Copper Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Cth K over Copper 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 October 2024.

How much traffic does Cth K over Copper Creek carry?

About 373 vehicles per day (2022 count).

How long is Cth K over Copper Creek?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 30 ft wide.

Who owns Cth K over Copper Creek?

It is owned by the County Highway Agency.