US Bridges

Ush 12 over E Br Nippersink Creek

Fair

Walworth County, Wisconsin · 0.3M E JCT Cth U · Structure no. B64002000000000

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
11,800
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 12 over E Br Nippersink Creek is a concrete continuous culvert carrying Ush 12 over E Br Nippersink Creek in Walworth County, Wisconsin. It was built in 1965, so it is 60 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 11,800 vehicles a day, roughly 9% of them trucks, projected to reach 11,190 by 2043. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 25.5 mi (41 km).

Location

Open in Google Maps
CarriesUsh 12
CrossesE Br Nippersink Creek
Location0.3M E JCT Cth U
RouteU.S. Route 12
CountyWalworth County
StateWisconsin
Coordinates42.52867, -88.31582
Functional classRural Principal Arterial - Other

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.6 US tons
Inventory rating23.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,800 (2022)
Projected traffic11,190 by 2043
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed25.5 mi (41 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ush 12 over E Br Nippersink Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Ush 12 over E Br 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 July 2024.

How much traffic does Ush 12 over E Br Nippersink Creek carry?

About 11,800 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Ush 12 over E Br Nippersink Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Ush 12 over E Br Nippersink Creek?

It is owned by the State Highway Agency.