US Bridges

Cth B over Nippersink Creek

Fair

Walworth County, Wisconsin · 0.1M W JCT Cth H to E · Structure no. B64007400000000

Built
1989
36 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
74 ft
2 main spans
Daily traffic
2,700
2022 count
Owner
County
County Highway Agency

About this bridge

Cth B over Nippersink Creek is a concrete continuous slab carrying Cth B over Nippersink Creek in Walworth County, Wisconsin. It was built in 1989, so it is 36 years old, younger 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 2,700 vehicles a day, projected to reach 2,970 by 2043. The structure is 74 ft (22.5 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCth B
CrossesNippersink Creek
Location0.1M W JCT Cth H to E
RouteCounty Highway 0B
CountyWalworth County
StateWisconsin
Coordinates42.49734, -88.33301
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 rating68.5 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length74 ft (22.5 m)
Longest span36 ft (11 m)
Deck width43 ft (13.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2022)
Projected traffic2,970 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 B over Nippersink Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Cth B over Nippersink 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 B over Nippersink Creek carry?

About 2,700 vehicles per day (2022 count).

How long is Cth B over Nippersink Creek?

The structure is 74 ft (22.5 m) long with a longest span of 36 ft (11 m) and a deck 43 ft wide.

Who owns Cth B over Nippersink Creek?

It is owned by the County Highway Agency.