US Bridges

Ush 51 over Minocqua Lake

Fair

Oneida County, Wisconsin · 6.1M N JCT Cth D · Structure no. B43004100000000

Built
1993
32 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
704 ft
9 main spans
Daily traffic
14,700
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 51 over Minocqua Lake is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 51 over Minocqua Lake in Oneida 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 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 14,700 vehicles a day, roughly 8% of them trucks, projected to reach 17,640 by 2042. The structure is 704 ft (214.7 m) long and 64 ft wide. If it were closed, the detour would be 69 mi (111 km).

Location

Open in Google Maps
CarriesUsh 51
CrossesMinocqua Lake
Location6.1M N JCT Cth D
RouteU.S. Route 51
CountyOneida County
StateWisconsin
Coordinates45.86543, -89.70907
Functional classRural Principal Arterial - Other

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.1 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length704 ft (214.7 m)
Longest span78 ft (23.8 m)
Deck width64 ft (19.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,700 (2022)
Projected traffic17,640 by 2042
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed69 mi (111 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 51 over Minocqua Lake built?

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

What condition is Ush 51 over Minocqua Lake 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 May 2024.

How much traffic does Ush 51 over Minocqua Lake carry?

About 14,700 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Ush 51 over Minocqua Lake?

The structure is 704 ft (214.7 m) long with a longest span of 78 ft (23.8 m) and a deck 64 ft wide.

Who owns Ush 51 over Minocqua Lake?

It is owned by the State Highway Agency.