US Bridges

Ush 8-STH 47 over Wisconsin River 46

Good

Oneida County, Wisconsin · 11.6M E JCT Cth N · Structure no. B43002300000000

Built
1990
35 years old
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
224 ft
3 main spans
Daily traffic
6,600
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 8-STH 47 over Wisconsin River 46 is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 8-STH 47 over Wisconsin River 46 in Oneida County, Wisconsin. It was built in 1990, so it is 35 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 6,600 vehicles a day, roughly 8% of them trucks, projected to reach 7,920 by 2042. The structure is 224 ft (68.2 m) long and 47 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUsh 8-STH 47
CrossesWisconsin River 46
Location11.6M E JCT Cth N
RouteU.S. Route 8
Coordinates45.62961, -89.43647
Functional classUrban Minor Arterial

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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length224 ft (68.2 m)
Longest span74 ft (22.7 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2022)
Projected traffic7,920 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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 8-STH 47 over Wisconsin River 46 built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ush 8-STH 47 over Wisconsin River 46 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 May 2022.

How much traffic does Ush 8-STH 47 over Wisconsin River 46 carry?

About 6,600 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Ush 8-STH 47 over Wisconsin River 46?

The structure is 224 ft (68.2 m) long with a longest span of 74 ft (22.7 m) and a deck 47 ft wide.

Who owns Ush 8-STH 47 over Wisconsin River 46?

It is owned by the State Highway Agency.