US Bridges

Cth K over Blake Creek

FairPosted for load

Waupaca County, Wisconsin · 0.4M N JCT Cth N · Structure no. P68007800000000

Built
1965
60 years old
Condition
Fair
inspected May 2023
Type
Channel Beam
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
244
2021 count
Owner
County
County Highway Agency

About this bridge

Cth K over Blake Creek is a prestressed concrete channel beam carrying Cth K over Blake Creek in Waupaca County, Wisconsin. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 244 vehicles a day, projected to reach 420 by 2042. The structure is 25 ft (7.6 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth K
CrossesBlake Creek
Location0.4M N JCT Cth N
RouteCounty Highway 0K
Coordinates44.50308, -88.98154
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.6 US tons
Inventory rating23.3 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic244 (2021)
Projected traffic420 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Blake Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Cth K over Blake 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 May 2023.

How much traffic does Cth K over Blake Creek carry?

About 244 vehicles per day (2021 count).

How long is Cth K over Blake Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 31 ft wide.

Who owns Cth K over Blake Creek?

It is owned by the County Highway Agency.