US Bridges

Cth Cc over Chippewa Flowage

Fair

Sawyer County, Wisconsin · 0.2M W JCT Cth H · Structure no. B57004900000000

Built
1991
34 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
66 ft
2 main spans
Daily traffic
768
2024 count
Owner
County
County Highway Agency

About this bridge

Cth Cc over Chippewa Flowage is a concrete continuous slab carrying Cth Cc over Chippewa Flowage in Sawyer County, Wisconsin. It was built in 1991, so it is 34 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 768 vehicles a day, roughly 10% of them trucks, projected to reach 834 by 2043. The structure is 66 ft (20.1 m) long and 30 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesCth Cc
CrossesChippewa Flowage
Location0.2M W JCT Cth H
RouteCounty Highway 0CC
Coordinates45.88756, -91.23319
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
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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 12 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 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 rating79.1 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span32 ft (9.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic768 (2024)
Projected traffic834 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 Cc over Chippewa Flowage built?

It was built in 1991, making it 34 years old in 2025.

What condition is Cth Cc over Chippewa Flowage 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 August 2024.

How much traffic does Cth Cc over Chippewa Flowage carry?

About 768 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Cth Cc over Chippewa Flowage?

The structure is 66 ft (20.1 m) long with a longest span of 32 ft (9.8 m) and a deck 30 ft wide.

Who owns Cth Cc over Chippewa Flowage?

It is owned by the County Highway Agency.