US Bridges

Cth J over Coon Creek

Fair

Dunn County, Wisconsin · 2.9M N JCT Sth 25 · Structure no. P17091100000000

Built
1944
81 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
641
2024 count
Owner
County
County Highway Agency

About this bridge

Cth J over Coon Creek is a concrete continuous culvert carrying Cth J over Coon Creek in Dunn County, Wisconsin. It was built in 1944, so it is 81 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 641 vehicles a day, projected to reach 669 by 2043. The structure is 26 ft (7.8 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCth J
CrossesCoon Creek
Location2.9M N JCT Sth 25
RouteCounty Highway 0J
CountyDunn County
StateWisconsin
Coordinates44.9621, -91.95645
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
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 12 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length26 ft (7.8 m)
Longest span12 ft (3.7 m)
Deck width31 ft (9.6 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic641 (2024)
Projected traffic669 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 J over Coon Creek built?

It was built in 1944, making it 81 years old in 2025.

What condition is Cth J over Coon 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 J over Coon Creek carry?

About 641 vehicles per day (2024 count).

How long is Cth J over Coon Creek?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.7 m) and a deck 31 ft wide.

Who owns Cth J over Coon Creek?

It is owned by the County Highway Agency.