US Bridges

Cth U over Wisconsin River Trib

Fair

Columbia County, Wisconsin · 7.0M N JCT Sth 78 · Structure no. B11016900000000

Built
2019
6 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
45 ft
1 main span
Daily traffic
400
2022 count
Owner
County
County Highway Agency

About this bridge

Cth U over Wisconsin River Trib is a concrete slab carrying Cth U over Wisconsin River Trib in Columbia County, Wisconsin. It was built in 2019, so it is 6 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 400 vehicles a day, roughly 5% of them trucks, projected to reach 480 by 2043. The structure is 45 ft (13.7 m) long and 32 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesCth U
CrossesWisconsin River Trib
Location7.0M N JCT Sth 78
RouteCounty Highway 0U
Coordinates43.44851, -89.50712
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length45 ft (13.7 m)
Longest span42 ft (12.8 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic480 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 U over Wisconsin River Trib built?

It was built in 2019, making it 6 years old in 2025.

What condition is Cth U over Wisconsin River Trib 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 August 2024.

How much traffic does Cth U over Wisconsin River Trib carry?

About 400 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Cth U over Wisconsin River Trib?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 32 ft wide.

Who owns Cth U over Wisconsin River Trib?

It is owned by the County Highway Agency.