US Bridges

Cth Ff over Bois Brule River

Fair

Douglas County, Wisconsin · 1.2M W JCT Cth H · Structure no. B16008800000000

Built
1997
28 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
559
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Ff over Bois Brule River is a prestressed concrete stringer/multi-beam or girder carrying Cth Ff over Bois Brule River in Douglas County, Wisconsin. It was built in 1997, so it is 28 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 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 559 vehicles a day, projected to reach 614 by 2043. The structure is 73 ft (22.1 m) long and 30 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

CarriesCth Ff
CrossesBois Brule River
Location1.2M W JCT Cth H
RouteCounty Highway 0FF
Coordinates46.63294, -91.59775
Functional classRural Minor 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 protection9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length73 ft (22.1 m)
Longest span70 ft (21.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic559 (2022)
Projected traffic614 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 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 Ff over Bois Brule River built?

It was built in 1997, making it 28 years old in 2025.

What condition is Cth Ff over Bois Brule 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 August 2024.

How much traffic does Cth Ff over Bois Brule River carry?

About 559 vehicles per day (2022 count).

How long is Cth Ff over Bois Brule River?

The structure is 73 ft (22.1 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.

Who owns Cth Ff over Bois Brule River?

It is owned by the County Highway Agency.