US Bridges

Cth K over Otter Creek

FairPosted for load

Eau Claire County, Wisconsin · 0.7MI S of Cth Hh · Structure no. P18006800000000

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
265
2024 count
Owner
County
County Highway Agency

About this bridge

Cth K over Otter Creek is a prestressed concrete channel beam carrying Cth K over Otter Creek in Eau Claire 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 other load-capacity restriction.

It carries about 265 vehicles a day, projected to reach 281 by 2043. The structure is 43 ft (13 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCth K
CrossesOtter Creek
Location0.7MI S of Cth Hh
RouteCounty Highway 0K
Coordinates44.63217, -91.27678
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.6 US tons
Inventory rating10.7 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length43 ft (13 m)
Longest span41 ft (12.5 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2024)
Projected traffic281 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$248,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth K over Otter Creek built?

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

What condition is Cth K over Otter 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 Otter Creek carry?

About 265 vehicles per day (2024 count).

How long is Cth K over Otter Creek?

The structure is 43 ft (13 m) long with a longest span of 41 ft (12.5 m) and a deck 29 ft wide.

Who owns Cth K over Otter Creek?

It is owned by the County Highway Agency.