US Bridges

Cth C over Bluff Creek

Good

Douglas County, Wisconsin · 2.0M W JCT Cth K · Structure no. B16010600000000

Built
2003
22 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
617
2022 count
Owner
County
County Highway Agency

About this bridge

Cth C over Bluff Creek is a prestressed concrete stringer/multi-beam or girder carrying Cth C over Bluff Creek in Douglas County, Wisconsin. It was built in 2003, so it is 22 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 617 vehicles a day, projected to reach 678 by 2043. The structure is 84 ft (25.6 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCth C
CrossesBluff Creek
Location2.0M W JCT Cth K
RouteCounty Highway 0C
CountyDouglas County
StateWisconsin
Coordinates46.60422, -92.02411
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating88.2 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span83 ft (25.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic617 (2022)
Projected traffic678 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 C over Bluff Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Cth C over Bluff Creek 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 September 2024.

How much traffic does Cth C over Bluff Creek carry?

About 617 vehicles per day (2022 count).

How long is Cth C over Bluff Creek?

The structure is 84 ft (25.6 m) long with a longest span of 83 ft (25.3 m) and a deck 30 ft wide.

Who owns Cth C over Bluff Creek?

It is owned by the County Highway Agency.