US Bridges

Cth a over Chippewa River 23

Fair

Rusk County, Wisconsin · 0.1M E JCT Sth 40--8 · Structure no. B54002400000000

Built
1980
45 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
415 ft
4 main spans
Daily traffic
513
2024 count
Owner
County
County Highway Agency

About this bridge

Cth a over Chippewa River 23 is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth a over Chippewa River 23 in Rusk County, Wisconsin. It was built in 1980, so it is 45 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 513 vehicles a day, projected to reach 557 by 2043. The structure is 415 ft (126.6 m) long and 32 ft wide. If it were closed, the detour would be 23.6 mi (38 km).

CarriesCth a
CrossesChippewa River 23
Location0.1M E JCT Sth 40--8
RouteCounty Highway 0A
Coordinates45.55233, -91.22906
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.8 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length415 ft (126.6 m)
Longest span103 ft (31.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic513 (2024)
Projected traffic557 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23.6 mi (38 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 Chippewa River 23 built?

It was built in 1980, making it 45 years old in 2025.

What condition is Cth a over Chippewa River 23 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 Chippewa River 23 carry?

About 513 vehicles per day (2024 count).

How long is Cth a over Chippewa River 23?

The structure is 415 ft (126.6 m) long with a longest span of 103 ft (31.5 m) and a deck 32 ft wide.

Who owns Cth a over Chippewa River 23?

It is owned by the County Highway Agency.