US Bridges

Ush 12 over Spring Brook

Good

Walworth County, Wisconsin · 0.12 MI E JCT Sth 89 · Structure no. B64013100000000

Built
2002
23 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
7,500
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 12 over Spring Brook is a concrete continuous culvert carrying Ush 12 over Spring Brook in Walworth County, Wisconsin. It was built in 2002, so it is 23 years old, younger 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 7,500 vehicles a day, projected to reach 9,000 by 2042. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUsh 12
CrossesSpring Brook
Location0.12 MI E JCT Sth 89
RouteU.S. Route 12
Coordinates42.81996, -88.74284
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length28 ft (8.4 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 traffic7,500 (2022)
Projected traffic9,000 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Spring Brook built?

It was built in 2002, making it 23 years old in 2025.

What condition is Ush 12 over Spring Brook 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 2023.

How much traffic does Ush 12 over Spring Brook carry?

About 7,500 vehicles per day (2022 count).

How long is Ush 12 over Spring Brook?

The structure is 28 ft (8.4 m) long with a longest span of 10 ft (3 m).

Who owns Ush 12 over Spring Brook?

It is owned by the State Highway Agency.