US Bridges

Cth K over N Chipmunk Coulee Creek

Fair

Vernon County, Wisconsin · 1.7M E JCT Sth 35 · Structure no. B62005200000000

Built
1975
50 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
2,387
2022 count
Owner
County
County Highway Agency

About this bridge

Cth K over N Chipmunk Coulee Creek is a prestressed concrete stringer/multi-beam or girder carrying Cth K over N Chipmunk Coulee Creek in Vernon County, Wisconsin. It was built in 1975, so it is 50 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 2,387 vehicles a day, projected to reach 2,625 by 2043. The structure is 84 ft (25.5 m) long and 38 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesCth K
CrossesN Chipmunk Coulee Creek
Location1.7M E JCT Sth 35
RouteCounty Highway 0K
CountyVernon County
StateWisconsin
Coordinates43.72078, -91.17198
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
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 inspectionAugust 2024
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length84 ft (25.5 m)
Longest span81 ft (24.7 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,387 (2022)
Projected traffic2,625 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 K over N Chipmunk Coulee Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Cth K over N Chipmunk Coulee 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 August 2024.

How much traffic does Cth K over N Chipmunk Coulee Creek carry?

About 2,387 vehicles per day (2022 count).

How long is Cth K over N Chipmunk Coulee Creek?

The structure is 84 ft (25.5 m) long with a longest span of 81 ft (24.7 m) and a deck 38 ft wide.

Who owns Cth K over N Chipmunk Coulee Creek?

It is owned by the County Highway Agency.