US Bridges

Cth U over Knapp Creek

Good

Richland County, Wisconsin · 0.8M W JCT Cth F · Structure no. B52007200000000

Built
1982
43 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
38 ft
1 main span
Daily traffic
87
2022 count
Owner
County
County Highway Agency

About this bridge

Cth U over Knapp Creek is a concrete slab carrying Cth U over Knapp Creek in Richland County, Wisconsin. It was built in 1982, so it is 43 years old, older 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 87 vehicles a day, projected to reach 95 by 2043. The structure is 38 ft (11.5 m) long and 26 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesCth U
CrossesKnapp Creek
Location0.8M W JCT Cth F
RouteCounty Highway 0U
Coordinates43.28556, -90.64944
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length38 ft (11.5 m)
Longest span36 ft (11 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87 (2022)
Projected traffic95 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 U over Knapp Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Cth U over Knapp 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 April 2024.

How much traffic does Cth U over Knapp Creek carry?

About 87 vehicles per day (2022 count).

How long is Cth U over Knapp Creek?

The structure is 38 ft (11.5 m) long with a longest span of 36 ft (11 m) and a deck 26 ft wide.

Who owns Cth U over Knapp Creek?

It is owned by the County Highway Agency.