US Bridges

Ush 12 over Sth 312E

Fair

Eau Claire County, Wisconsin · 0.5M W JCT Ush B12 · Structure no. B18012600000000

Built
1993
32 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
205 ft
2 main spans
Daily traffic
19,200
2021 count
Owner
State
State Highway Agency

About this bridge

Ush 12 over Sth 312E is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 12 over Sth 312E in Eau Claire County, Wisconsin. It was built in 1993, so it is 32 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 19,200 vehicles a day, roughly 5% of them trucks, projected to reach 23,040 by 2041. The structure is 205 ft (62.6 m) long and 93 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesUsh 12
CrossesSth 312E
Location0.5M W JCT Ush B12
RouteU.S. Route 12
CountyEau Claire County
StateWisconsin
Coordinates44.83766, -91.54447
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.5 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length205 ft (62.6 m)
Longest span103 ft (31.4 m)
Deck width93 ft (28.3 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,200 (2021)
Projected traffic23,040 by 2041
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed7.5 mi (12 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 Sth 312E built?

It was built in 1993, making it 32 years old in 2025.

What condition is Ush 12 over Sth 312E 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 2023.

How much traffic does Ush 12 over Sth 312E carry?

About 19,200 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Ush 12 over Sth 312E?

The structure is 205 ft (62.6 m) long with a longest span of 103 ft (31.4 m) and a deck 93 ft wide.

Who owns Ush 12 over Sth 312E?

It is owned by the State Highway Agency.