US Bridges

Cth F over South Fork Hay River

Fair

Dunn County, Wisconsin · 0.70 Miles North of Sth 1 · Structure no. B17016700000000

Built
2001
24 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
74 ft
2 main spans
Daily traffic
251
2024 count
Owner
County
County Highway Agency

About this bridge

Cth F over South Fork Hay River is a concrete continuous slab carrying Cth F over South Fork Hay River in Dunn County, Wisconsin. It was built in 2001, so it is 24 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 5 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 251 vehicles a day, roughly 5% of them trucks, projected to reach 264 by 2043. The structure is 74 ft (22.7 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCth F
CrossesSouth Fork Hay River
Location0.70 Miles North of Sth 1
RouteCounty Highway 0F
Coordinates45.05521, -91.95606
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length74 ft (22.7 m)
Longest span36 ft (10.9 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic251 (2024)
Projected traffic264 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 F over South Fork Hay River built?

It was built in 2001, making it 24 years old in 2025.

What condition is Cth F over South Fork Hay 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 July 2024.

How much traffic does Cth F over South Fork Hay River carry?

About 251 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Cth F over South Fork Hay River?

The structure is 74 ft (22.7 m) long with a longest span of 36 ft (10.9 m) and a deck 32 ft wide.

Who owns Cth F over South Fork Hay River?

It is owned by the County Highway Agency.