US Bridges

Ush 51 NB over Lrd Decator DR

Good

Marathon County, Wisconsin · 3.1M N JCT Sth 29 to W · Structure no. B37015500000000

Built
1975
50 years old, rebuilt 2016
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
140 ft
3 main spans
Daily traffic
9,950
2023 count
Owner
State
State Highway Agency

About this bridge

Ush 51 NB over Lrd Decator DR is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 51 NB over Lrd Decator DR in Marathon County, Wisconsin. It was built in 1975 and reconstructed in 2016, so it is 50 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,950 vehicles a day, roughly 7% of them trucks, projected to reach 24,300 by 2043. The structure is 140 ft (42.6 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUsh 51 NB
CrossesLrd Decator DR
Location3.1M N JCT Sth 29 to W
RouteU.S. Route 51
Coordinates45.00245, -89.65797
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length140 ft (42.6 m)
Longest span66 ft (20 m)
Deck width52 ft (16 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,950 (2023)
Projected traffic24,300 by 2043
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 NB over Lrd Decator DR built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2016.

What condition is Ush 51 NB over Lrd Decator DR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Ush 51 NB over Lrd Decator DR carry?

About 9,950 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Ush 51 NB over Lrd Decator DR?

The structure is 140 ft (42.6 m) long with a longest span of 66 ft (20 m) and a deck 52 ft wide.

Who owns Ush 51 NB over Lrd Decator DR?

It is owned by the State Highway Agency.