US Bridges

Sth 47 over Red River

Good

Langlade County, Wisconsin · 0.5M E JCT Cth S · Structure no. B34004600000000

Built
2015
10 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
1,200
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 47 over Red River is a prestressed concrete stringer/multi-beam or girder carrying Sth 47 over Red River in Langlade County, Wisconsin. It was built in 2015, so it is 10 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 1,200 vehicles a day, projected to reach 780 by 2042. The structure is 62 ft (18.8 m) long and 45 ft wide. If it were closed, the detour would be 48.5 mi (78 km).

CarriesSth 47
CrossesRed River
Location0.5M E JCT Cth S
RouteState Highway 47
Coordinates45.0511, -89.0121
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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length62 ft (18.8 m)
Longest span58 ft (17.7 m)
Deck width45 ft (13.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2022)
Projected traffic780 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed48.5 mi (78 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 Sth 47 over Red River built?

It was built in 2015, making it 10 years old in 2025.

What condition is Sth 47 over Red River 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 2023.

How much traffic does Sth 47 over Red River carry?

About 1,200 vehicles per day (2022 count).

How long is Sth 47 over Red River?

The structure is 62 ft (18.8 m) long with a longest span of 58 ft (17.7 m) and a deck 45 ft wide.

Who owns Sth 47 over Red River?

It is owned by the State Highway Agency.