US Bridges

Ush 12 over Annis Creek

Fair

Dunn County, Wisconsin · 1.5M E JCT Cth K · Structure no. B17084700000000

Built
1949
76 years old, rebuilt 1992
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
224 ft
3 main spans
Daily traffic
2,900
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 12 over Annis Creek is a steel stringer/multi-beam or girder carrying Ush 12 over Annis Creek in Dunn County, Wisconsin. It was built in 1949 and reconstructed in 1992, so it is 76 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 2,900 vehicles a day, roughly 4% of them trucks, projected to reach 3,260 by 2043. The structure is 224 ft (68.2 m) long and 31 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesUsh 12
CrossesAnnis Creek
Location1.5M E JCT Cth K
RouteU.S. Route 12
CountyDunn County
StateWisconsin
Coordinates44.92782, -91.98685
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length224 ft (68.2 m)
Longest span81 ft (24.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2022)
Projected traffic3,260 by 2043
Trucks4%
Lanes on structure2
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 Annis Creek built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1992.

What condition is Ush 12 over Annis 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 August 2024.

How much traffic does Ush 12 over Annis Creek carry?

About 2,900 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Ush 12 over Annis Creek?

The structure is 224 ft (68.2 m) long with a longest span of 81 ft (24.8 m) and a deck 31 ft wide.

Who owns Ush 12 over Annis Creek?

It is owned by the State Highway Agency.