US Bridges

Ush 12 over Wis. Southern RR

Fair

Walworth County, Wisconsin · 0.3 Miles West of STH59/8 · Structure no. B64005100000000

Built
2005
20 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
127 ft
1 main span
Daily traffic
6,200
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 12 over Wis. Southern RR is a prestressed concrete stringer/multi-beam or girder carrying Ush 12 over Wis. Southern RR in Walworth County, Wisconsin. It was built in 2005, so it is 20 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 6,200 vehicles a day, projected to reach 7,440 by 2042. The structure is 127 ft (38.8 m) long and 56 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesUsh 12
CrossesWis. Southern RR
Location0.3 Miles West of STH59/8
RouteU.S. Route 12
CountyWalworth County
StateWisconsin
Coordinates42.82097, -88.75149
Functional classUrban Other Principal 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 inspectionApril 2023
Inspection intervalevery 24 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 rating110.1 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length127 ft (38.8 m)
Longest span125 ft (38.1 m)
Deck width56 ft (17.2 m)
Roadway width54 ft (16.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,200 (2022)
Projected traffic7,440 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed2.5 mi (4 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ush 12 over Wis. Southern RR built?

It was built in 2005, making it 20 years old in 2025.

What condition is Ush 12 over Wis. Southern RR 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 April 2023.

How much traffic does Ush 12 over Wis. Southern RR carry?

About 6,200 vehicles per day (2022 count).

How long is Ush 12 over Wis. Southern RR?

The structure is 127 ft (38.8 m) long with a longest span of 125 ft (38.1 m) and a deck 56 ft wide.

Who owns Ush 12 over Wis. Southern RR?

It is owned by the State Highway Agency.