US Bridges

Ush 51 SB over Ush 8

Fair

Lincoln County, Wisconsin · 8.7M S JCT Cth K · Structure no. B35007100000000

Built
1983
42 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
234 ft
2 main spans
Daily traffic
5,950
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 51 SB over Ush 8 is a prestressed concrete stringer/multi-beam or girder carrying Ush 51 SB over Ush 8 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 5,950 vehicles a day, roughly 9% of them trucks, projected to reach 6,000 by 2042. The structure is 234 ft (71.3 m) long and 43 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUsh 51 SB
CrossesUsh 8
Location8.7M S JCT Cth K
RouteU.S. Route 51
Coordinates45.54361, -89.67171
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.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length234 ft (71.3 m)
Longest span118 ft (36.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,950 (2022)
Projected traffic6,000 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 51 SB over Ush 8 built?

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

What condition is Ush 51 SB over Ush 8 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 Ush 8 carry?

About 5,950 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Ush 51 SB over Ush 8?

The structure is 234 ft (71.3 m) long with a longest span of 118 ft (36.1 m) and a deck 43 ft wide.

Who owns Ush 51 SB over Ush 8?

It is owned by the State Highway Agency.