US Bridges

Ush 51 SB over Lrd Wisconsin River / Ki

Fair

Lincoln County, Wisconsin · 3.8M S JCT Ush 8 · Structure no. B35006300000000

Built
1983
42 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
744 ft
6 main spans
Daily traffic
5,150
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 51 SB over Lrd Wisconsin River / Ki is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 51 SB over Lrd Wisconsin River / Ki in Lincoln County, Wisconsin. It was built in 1983, so it is 42 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 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 5,150 vehicles a day, roughly 4% of them trucks, projected to reach 8,954 by 2042. The structure is 744 ft (226.7 m) long and 43 ft wide. If it were closed, the detour would be 64.6 mi (104 km).

CarriesUsh 51 SB
CrossesLrd Wisconsin River / Ki
Location3.8M S JCT Ush 8
RouteU.S. Route 51
Coordinates45.4855, -89.69486
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length744 ft (226.7 m)
Longest span123 ft (37.6 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,150 (2022)
Projected traffic8,954 by 2042
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed64.6 mi (104 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 SB over Lrd Wisconsin River / Ki built?

It was built in 1983, making it 42 years old in 2025.

What condition is Ush 51 SB over Lrd Wisconsin River / Ki 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 June 2023.

How much traffic does Ush 51 SB over Lrd Wisconsin River / Ki carry?

About 5,150 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Ush 51 SB over Lrd Wisconsin River / Ki?

The structure is 744 ft (226.7 m) long with a longest span of 123 ft (37.6 m) and a deck 43 ft wide.

Who owns Ush 51 SB over Lrd Wisconsin River / Ki?

It is owned by the State Highway Agency.