US Bridges

Cth O over Trimbelle River

Fair

Pierce County, Wisconsin · 3.1M S JCT Ush 10 · Structure no. B47004800000000

Built
1979
46 years old, rebuilt 2021
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
122 ft
2 main spans
Daily traffic
251
2021 count
Owner
County
County Highway Agency

About this bridge

Cth O over Trimbelle River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth O over Trimbelle River in Pierce County, Wisconsin. It was built in 1979 and reconstructed in 2021, so it is 46 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 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 251 vehicles a day, projected to reach 277 by 2041. The structure is 122 ft (37.2 m) long and 32 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

Location

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CarriesCth O
CrossesTrimbelle River
Location3.1M S JCT Ush 10
RouteCounty Highway 0O
CountyPierce County
StateWisconsin
Coordinates44.69157, -92.57854
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
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 rating43.2 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span59 ft (17.9 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic251 (2021)
Projected traffic277 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed15.5 mi (25 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 O over Trimbelle River built?

It was built in 1979, making it 46 years old in 2025. It was reconstructed in 2021.

What condition is Cth O over Trimbelle River 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 April 2023.

How much traffic does Cth O over Trimbelle River carry?

About 251 vehicles per day (2021 count).

How long is Cth O over Trimbelle River?

The structure is 122 ft (37.2 m) long with a longest span of 59 ft (17.9 m) and a deck 32 ft wide.

Who owns Cth O over Trimbelle River?

It is owned by the County Highway Agency.