US Bridges

Cth F over Hay River

Good

Barron County, Wisconsin · 0.9M N JCT Cth a to W · Structure no. B03007700000000

Built
1979
46 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
740
2021 count
Owner
County
County Highway Agency

About this bridge

Cth F over Hay River is a prestressed concrete stringer/multi-beam or girder carrying Cth F over Hay River in Barron 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 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 740 vehicles a day, projected to reach 1,018 by 2043. The structure is 92 ft (28 m) long and 34 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

No coordinates are recorded for this structure.

CarriesCth F
CrossesHay River
Location0.9M N JCT Cth a to W
RouteCounty Highway 0F
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 36 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal 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 rating80.5 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length92 ft (28 m)
Longest span90 ft (27.4 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic740 (2021)
Projected traffic1,018 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 F over Hay River built?

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

What condition is Cth F over Hay 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 F over Hay River carry?

About 740 vehicles per day (2021 count).

How long is Cth F over Hay River?

The structure is 92 ft (28 m) long with a longest span of 90 ft (27.4 m) and a deck 34 ft wide.

Who owns Cth F over Hay River?

It is owned by the County Highway Agency.