US Bridges

Ush 51 SB over Canadian National RR

Fair

Lincoln County, Wisconsin · 1.7M S JCT Sth 64 to E · Structure no. B35002700000000

Built
1974
51 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
191 ft
3 main spans
Daily traffic
8,450
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 51 SB over Canadian National RR is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 51 SB over Canadian National RR in Lincoln County, Wisconsin. It was built in 1974, so it is 51 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 8,450 vehicles a day, roughly 10% of them trucks, projected to reach 16,500 by 2042. The structure is 191 ft (58.3 m) long and 44 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesUsh 51 SB
CrossesCanadian National RR
Location1.7M S JCT Sth 64 to E
RouteU.S. Route 51
Coordinates45.15796, -89.64408
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 inspectionJuly 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 rating68.5 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length191 ft (58.3 m)
Longest span62 ft (18.9 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,450 (2022)
Projected traffic16,500 by 2042
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed10.6 mi (17 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 Canadian National RR built?

It was built in 1974, making it 51 years old in 2025.

What condition is Ush 51 SB over Canadian National RR 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 July 2023.

How much traffic does Ush 51 SB over Canadian National RR carry?

About 8,450 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Ush 51 SB over Canadian National RR?

The structure is 191 ft (58.3 m) long with a longest span of 62 ft (18.9 m) and a deck 44 ft wide.

Who owns Ush 51 SB over Canadian National RR?

It is owned by the State Highway Agency.