US Bridges

Cth H over Willow Creek

Good

Marathon County, Wisconsin · 1.8M N JCT Cth a · Structure no. B37047200000000

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
51 ft
1 main span
Daily traffic
950
2023 count
Owner
County
County Highway Agency

About this bridge

Cth H over Willow Creek is a concrete continuous slab carrying Cth H over Willow Creek in Marathon County, Wisconsin. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 950 vehicles a day, roughly 10% of them trucks, projected to reach 960 by 2043. The structure is 51 ft (15.4 m) long and 34 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesCth H
CrossesWillow Creek
Location1.8M N JCT Cth a
RouteCounty Highway 0
Coordinates45.06369, -89.97429
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length51 ft (15.4 m)
Longest span48 ft (14.6 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2023)
Projected traffic960 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 H over Willow Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Cth H over Willow Creek 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 October 2023.

How much traffic does Cth H over Willow Creek carry?

About 950 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Cth H over Willow Creek?

The structure is 51 ft (15.4 m) long with a longest span of 48 ft (14.6 m) and a deck 34 ft wide.

Who owns Cth H over Willow Creek?

It is owned by the County Highway Agency.