US Bridges

Cth O over Trimbelle River

Fair

Pierce County, Wisconsin · 2.9M S JCT Ush 10 · Structure no. B47006800000000

Built
1986
39 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
221
2022 count
Owner
County
County Highway Agency

About this bridge

Cth O over Trimbelle River is a prestressed concrete stringer/multi-beam or girder carrying Cth O over Trimbelle River in Pierce County, Wisconsin. It was built in 1986, so it is 39 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 221 vehicles a day, projected to reach 243 by 2042. The structure is 72 ft (22 m) long and 28 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

Location

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CarriesCth O
CrossesTrimbelle River
Location2.9M S JCT Ush 10
RouteCounty Highway 0O
CountyPierce County
StateWisconsin
Coordinates44.69494, -92.57895
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length72 ft (22 m)
Longest span69 ft (21 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic221 (2022)
Projected traffic243 by 2042
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 1986, making it 39 years old in 2025.

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 221 vehicles per day (2022 count).

How long is Cth O over Trimbelle River?

The structure is 72 ft (22 m) long with a longest span of 69 ft (21 m) and a deck 28 ft wide.

Who owns Cth O over Trimbelle River?

It is owned by the County Highway Agency.