US Bridges

Cth K over Casper Creek

Fair

Dodge County, Wisconsin · 0.2M S JCT Cth J · Structure no. P14092900000000

Built
1975
50 years old
Condition
Fair
inspected April 2024
Type
Culvert
Steel
Length
25 ft
3 main spans
Daily traffic
290
2021 count
Owner
County
County Highway Agency

About this bridge

Cth K over Casper Creek is a steel culvert carrying Cth K over Casper Creek in Dodge 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 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 290 vehicles a day, projected to reach 348 by 2041. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 5.6 mi (9 km).

Location

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CarriesCth K
CrossesCasper Creek
Location0.2M S JCT Cth J
RouteCounty Highway 0K
CountyDodge County
StateWisconsin
Coordinates43.30495, -88.78362
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckSteel plate
Main spans3
Design loadH 15
Structure length25 ft (7.7 m)
Longest span7 ft (2.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2021)
Projected traffic348 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 Casper Creek built?

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

What condition is Cth K over Casper 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 April 2024.

How much traffic does Cth K over Casper Creek carry?

About 290 vehicles per day (2021 count).

How long is Cth K over Casper Creek?

The structure is 25 ft (7.7 m) long with a longest span of 7 ft (2.2 m).

Who owns Cth K over Casper Creek?

It is owned by the County Highway Agency.