US Bridges

Sth 47 over Slab City Creek

Good

Shawano County, Wisconsin · 4.7M N JCT Cth S to E · Structure no. B58012300000000

Built
2007
18 years old
Condition
Good
inspected October 2021
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
6,400
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 47 over Slab City Creek is a concrete slab carrying Sth 47 over Slab City Creek in Shawano County, Wisconsin. It was built in 2007, so it is 18 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 6,400 vehicles a day, roughly 9% of them trucks, projected to reach 7,680 by 2042. The structure is 33 ft (10.2 m) long and 46 ft wide. If it were closed, the detour would be 25.5 mi (41 km).

CarriesSth 47
CrossesSlab City Creek
Location4.7M N JCT Cth S to E
RouteState Highway 47
Coordinates44.71474, -88.44497
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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2021
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 rating84.5 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length33 ft (10.2 m)
Longest span31 ft (9.4 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2022)
Projected traffic7,680 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed25.5 mi (41 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 47 over Slab City Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Sth 47 over Slab City Creek 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 October 2021.

How much traffic does Sth 47 over Slab City Creek carry?

About 6,400 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Sth 47 over Slab City Creek?

The structure is 33 ft (10.2 m) long with a longest span of 31 ft (9.4 m) and a deck 46 ft wide.

Who owns Sth 47 over Slab City Creek?

It is owned by the State Highway Agency.