US Bridges

Cth O over Trimbelle River

Fair

Pierce County, Wisconsin · 2.7M S JCT Ush 10 · Structure no. B47014200000000

Built
1994
31 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
370
2022 count
Owner
County
County Highway Agency

About this bridge

Cth O over Trimbelle River is a concrete slab carrying Cth O over Trimbelle River in Pierce County, Wisconsin. It was built in 1994, so it is 31 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 370 vehicles a day, roughly 10% of them trucks, projected to reach 407 by 2042. The structure is 30 ft (9.1 m) long and 32 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

CarriesCth O
CrossesTrimbelle River
Location2.7M S JCT Ush 10
RouteCounty Highway 0O
Coordinates44.69706, -92.57836
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 rating71.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2022)
Projected traffic407 by 2042
Trucks10%
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 1994, making it 31 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 370 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Cth O over Trimbelle River?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns Cth O over Trimbelle River?

It is owned by the County Highway Agency.