US Bridges

Cth K over Oakley Branch

Good

Green County, Wisconsin · 0.1M W JCT Cth Ok · Structure no. B23014900000000

Built
2006
19 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
367
2022 count
Owner
County
County Highway Agency

About this bridge

Cth K over Oakley Branch is a concrete culvert carrying Cth K over Oakley Branch in Green County, Wisconsin. It was built in 2006, so it is 19 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 367 vehicles a day, roughly 5% of them trucks, projected to reach 403 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCth K
CrossesOakley Branch
Location0.1M W JCT Cth Ok
RouteCounty Highway 0K
Coordinates42.52686, -89.468
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic367 (2022)
Projected traffic403 by 2043
Trucks5%
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 Oakley Branch built?

It was built in 2006, making it 19 years old in 2025.

What condition is Cth K over Oakley Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Cth K over Oakley Branch carry?

About 367 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Cth K over Oakley Branch?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Cth K over Oakley Branch?

It is owned by the County Highway Agency.