US Bridges

Cth N over S Fk Hay River

Good

Dunn County, Wisconsin · 2.8M W JCT Cth F · Structure no. B17001600000000

Built
1955
70 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
125 ft
3 main spans
Daily traffic
192
2024 count
Owner
County
County Highway Agency

About this bridge

Cth N over S Fk Hay River is a steel continuous stringer/multi-beam or girder carrying Cth N over S Fk Hay River in Dunn County, Wisconsin. It was built in 1955, so it is 70 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 192 vehicles a day, projected to reach 200 by 2043. The structure is 125 ft (38.2 m) long and 27 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCth N
CrossesS Fk Hay River
Location2.8M W JCT Cth F
RouteCounty Highway 0N
Coordinates45.06053, -92.01328
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length125 ft (38.2 m)
Longest span46 ft (14 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic192 (2024)
Projected traffic200 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 N over S Fk Hay River built?

It was built in 1955, making it 70 years old in 2025.

What condition is Cth N over S Fk 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 July 2024.

How much traffic does Cth N over S Fk Hay River carry?

About 192 vehicles per day (2024 count).

How long is Cth N over S Fk Hay River?

The structure is 125 ft (38.2 m) long with a longest span of 46 ft (14 m) and a deck 27 ft wide.

Who owns Cth N over S Fk Hay River?

It is owned by the County Highway Agency.