US Bridges

Ush 12 over Carr Creek

Fair

St. Croix County, Wisconsin · 0.1M E JCT Cth B · Structure no. B55012300000000

Built
1996
29 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
1,700
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 12 over Carr Creek is a prestressed concrete stringer/multi-beam or girder carrying Ush 12 over Carr Creek in St. Croix County, Wisconsin. It was built in 1996, so it is 29 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 1,700 vehicles a day, roughly 4% of them trucks, projected to reach 2,040 by 2043. The structure is 43 ft (13 m) long and 47 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesUsh 12
CrossesCarr Creek
Location0.1M E JCT Cth B
RouteU.S. Route 12
Coordinates44.96049, -92.28758
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: 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 rating64.8 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length43 ft (13 m)
Longest span40 ft (12.2 m)
Deck width47 ft (14.3 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2022)
Projected traffic2,040 by 2043
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ush 12 over Carr Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Ush 12 over Carr 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 September 2024.

How much traffic does Ush 12 over Carr Creek carry?

About 1,700 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Ush 12 over Carr Creek?

The structure is 43 ft (13 m) long with a longest span of 40 ft (12.2 m) and a deck 47 ft wide.

Who owns Ush 12 over Carr Creek?

It is owned by the State Highway Agency.