US Bridges

Cth O over Cranberry Creek

Fair

Dunn County, Wisconsin · 2.6M N JCT Sth 85 · Structure no. P17093200000000

Built
1966
59 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
158
2024 count
Owner
County
County Highway Agency

About this bridge

Cth O over Cranberry Creek is a concrete continuous culvert carrying Cth O over Cranberry Creek in Dunn County, Wisconsin. It was built in 1966, so it is 59 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 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 158 vehicles a day, projected to reach 167 by 2043. The structure is 27 ft (8.1 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCth O
CrossesCranberry Creek
Location2.6M N JCT Sth 85
RouteCounty Highway 0O
Coordinates44.73491, -91.79206
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating59.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length27 ft (8.1 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (2024)
Projected traffic167 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 O over Cranberry Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Cth O over Cranberry Creek 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 July 2024.

How much traffic does Cth O over Cranberry Creek carry?

About 158 vehicles per day (2024 count).

How long is Cth O over Cranberry Creek?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns Cth O over Cranberry Creek?

It is owned by the County Highway Agency.