US Bridges

Cth a over Br Willow River

Fair

Polk County, Wisconsin · 0.4M W JCT Cth Pp · Structure no. B48001800000000

Built
1979
46 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
690
2024 count
Owner
County
County Highway Agency

About this bridge

Cth a over Br Willow River is a concrete continuous culvert carrying Cth a over Br Willow River in Polk County, Wisconsin. It was built in 1979, so it is 46 years old, older 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 690 vehicles a day, projected to reach 1,670 by 2043. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 15.5 mi (25 km).

Location

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CarriesCth a
CrossesBr Willow River
Location0.4M W JCT Cth Pp
RouteCounty Highway 0A
CountyPolk County
StateWisconsin
Coordinates45.253, -92.209
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic690 (2024)
Projected traffic1,670 by 2043
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 a over Br Willow River built?

It was built in 1979, making it 46 years old in 2025.

What condition is Cth a over Br Willow 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 2024.

How much traffic does Cth a over Br Willow River carry?

About 690 vehicles per day (2024 count).

How long is Cth a over Br Willow River?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m).

Who owns Cth a over Br Willow River?

It is owned by the County Highway Agency.