US Bridges

Cth Nn WB over Ush 12

Fair

Walworth County, Wisconsin · 0.4 MI E JCT IH 43 · Structure no. B64018600000000

Built
2016
9 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
354 ft
4 main spans
Daily traffic
2,950
2022 count
Owner
State
State Highway Agency

About this bridge

Cth Nn WB over Ush 12 is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth Nn WB over Ush 12 in Walworth County, Wisconsin. It was built in 2016, so it is 9 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 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 2,950 vehicles a day, projected to reach 3,540 by 2042. The structure is 354 ft (107.9 m) long and 68 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCth Nn WB
CrossesUsh 12
Location0.4 MI E JCT IH 43
RouteCounty Highway 0NN
Coordinates42.67, -88.51804
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length354 ft (107.9 m)
Longest span88 ft (26.8 m)
Deck width68 ft (20.6 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,950 (2022)
Projected traffic3,540 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cth Nn WB over Ush 12 built?

It was built in 2016, making it 9 years old in 2025.

What condition is Cth Nn WB over Ush 12 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 Nn WB over Ush 12 carry?

About 2,950 vehicles per day (2022 count).

How long is Cth Nn WB over Ush 12?

The structure is 354 ft (107.9 m) long with a longest span of 88 ft (26.8 m) and a deck 68 ft wide.

Who owns Cth Nn WB over Ush 12?

It is owned by the State Highway Agency.