US Bridges

Cth Yy over North Fork Spirit River

Good

Lincoln County, Wisconsin · 0.23M N Sth 86 · Structure no. B35011800000000

Built
2022
3 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
366
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Yy over North Fork Spirit River is a prestressed concrete stringer/multi-beam or girder carrying Cth Yy over North Fork Spirit River in Lincoln County, Wisconsin. It was built in 2022, so it is 3 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 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 366 vehicles a day, projected to reach 404 by 2042. The structure is 87 ft (26.5 m) long and 29 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

CarriesCth Yy
CrossesNorth Fork Spirit River
Location0.23M N Sth 86
RouteCounty Highway 0
Coordinates45.45732, -90.04277
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.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.8 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length87 ft (26.5 m)
Longest span82 ft (25 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic366 (2022)
Projected traffic404 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 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 Yy over North Fork Spirit River built?

It was built in 2022, making it 3 years old in 2025.

What condition is Cth Yy over North Fork Spirit 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 June 2024.

How much traffic does Cth Yy over North Fork Spirit River carry?

About 366 vehicles per day (2022 count).

How long is Cth Yy over North Fork Spirit River?

The structure is 87 ft (26.5 m) long with a longest span of 82 ft (25 m) and a deck 29 ft wide.

Who owns Cth Yy over North Fork Spirit River?

It is owned by the County Highway Agency.