US Bridges

Cth a over Little Thornapple River

Good

Rusk County, Wisconsin · 3.5M W JCT Sth 27-45 · Structure no. B54011400000000

Built
2014
11 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
73 ft
2 main spans
Daily traffic
732
2024 count
Owner
County
County Highway Agency

About this bridge

Cth a over Little Thornapple River is a concrete continuous slab carrying Cth a over Little Thornapple River in Rusk County, Wisconsin. It was built in 2014, so it is 11 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 732 vehicles a day, projected to reach 795 by 2043. The structure is 73 ft (22.1 m) long and 32 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCth a
CrossesLittle Thornapple River
Location3.5M W JCT Sth 27-45
RouteCounty Highway 0A
Coordinates45.50528, -91.18722
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
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 evaluation7: Better than 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 rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length73 ft (22.1 m)
Longest span35 ft (10.7 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic732 (2024)
Projected traffic795 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 a over Little Thornapple River built?

It was built in 2014, making it 11 years old in 2025.

What condition is Cth a over Little Thornapple River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Cth a over Little Thornapple River carry?

About 732 vehicles per day (2024 count).

How long is Cth a over Little Thornapple River?

The structure is 73 ft (22.1 m) long with a longest span of 35 ft (10.7 m) and a deck 32 ft wide.

Who owns Cth a over Little Thornapple River?

It is owned by the County Highway Agency.