US Bridges

IH 39 Sb/Ush 51 over Ush Bus 51

Good

Marathon County, Wisconsin · 2.9 Mi. S. JCT Sth 29 to · Structure no. B37039700000000

Built
2013
12 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
304 ft
4 main spans
Daily traffic
39,600
2022 count
Owner
State
State Highway Agency

About this bridge

IH 39 Sb/Ush 51 over Ush Bus 51 is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 39 Sb/Ush 51 over Ush Bus 51 in Marathon County, Wisconsin. It was built in 2013, so it is 12 years old, younger 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 39,600 vehicles a day, roughly 12% of them trucks, projected to reach 51,000 by 2043. The structure is 304 ft (92.6 m) long and 88 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesIH 39 Sb/Ush 51
CrossesUsh Bus 51
Location2.9 Mi. S. JCT Sth 29 to
RouteInterstate 39
Coordinates44.86377, -89.64197
Functional classUrban Principal Arterial - Interstate

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 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length304 ft (92.6 m)
Longest span146 ft (44.4 m)
Deck width88 ft (26.7 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,600 (2022)
Projected traffic51,000 by 2043
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 39 Sb/Ush 51 over Ush Bus 51 built?

It was built in 2013, making it 12 years old in 2025.

What condition is IH 39 Sb/Ush 51 over Ush Bus 51 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 IH 39 Sb/Ush 51 over Ush Bus 51 carry?

About 39,600 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is IH 39 Sb/Ush 51 over Ush Bus 51?

The structure is 304 ft (92.6 m) long with a longest span of 146 ft (44.4 m) and a deck 88 ft wide.

Who owns IH 39 Sb/Ush 51 over Ush Bus 51?

It is owned by the State Highway Agency.