US Bridges

Cth Oo over Red Cedar River

Fair

Barron County, Wisconsin · 1.9M E JCT Cth O · Structure no. B03009100000000

Built
1986
39 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
256 ft
3 main spans
Daily traffic
340
2021 count
Owner
County
County Highway Agency

About this bridge

Cth Oo over Red Cedar River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth Oo over Red Cedar River in Barron County, Wisconsin. It was built in 1986, so it is 39 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 340 vehicles a day, projected to reach 563 by 2043. The structure is 256 ft (78 m) long and 30 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesCth Oo
CrossesRed Cedar River
Location1.9M E JCT Cth O
RouteCounty Highway 0OO
Coordinates45.35091, -91.74596
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length256 ft (78 m)
Longest span85 ft (25.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2021)
Projected traffic563 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 Oo over Red Cedar River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Cth Oo over Red Cedar River 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 June 2024.

How much traffic does Cth Oo over Red Cedar River carry?

About 340 vehicles per day (2021 count).

How long is Cth Oo over Red Cedar River?

The structure is 256 ft (78 m) long with a longest span of 85 ft (25.8 m) and a deck 30 ft wide.

Who owns Cth Oo over Red Cedar River?

It is owned by the County Highway Agency.